WO2014067270A1 - 基于光盘的数据库存储***及利用该***的方法 - Google Patents
基于光盘的数据库存储***及利用该***的方法 Download PDFInfo
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- WO2014067270A1 WO2014067270A1 PCT/CN2013/074600 CN2013074600W WO2014067270A1 WO 2014067270 A1 WO2014067270 A1 WO 2014067270A1 CN 2013074600 W CN2013074600 W CN 2013074600W WO 2014067270 A1 WO2014067270 A1 WO 2014067270A1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/21—Design, administration or maintenance of databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1456—Hardware arrangements for backup
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1458—Management of the backup or restore process
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1458—Management of the backup or restore process
- G06F11/1469—Backup restoration techniques
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/13—File access structures, e.g. distributed indices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
- G06F2201/80—Database-specific techniques
Definitions
- the invention relates to a database storage system based on optical disc and a method for using the same.
- the invention is filed by the applicant.
- the application date is November 01, 2012, and the application number is CN201210431169.3.
- the invention name is "CD-based database storage system and The priority of the application of the method of the present application is hereby incorporated by reference in its entirety.
- the present invention relates to a database storage system and method, and more particularly to a storage system and method for database backup. Background technique
- a database system usually consists of software and hardware, including a database management system (abbreviated as DBMS) and applications installed in the operating system.
- DBMS is the core software of the database system.
- the main functions include data definition, data manipulation and database establishment, operation, management and maintenance.
- the hardware includes the physical devices that make up the computer system, including the server and memory.
- the server provides the operating environment for the operating system. Provide storage space for the storage database, and the peripheral devices needed to store the database; storage devices such as disks and disk arrays that the database mainly uses. So far, the database system has adopted the disk as the storage carrier of the database. It has the characteristics of fast data access and easy expansion, and is the best choice for real-time data processing.
- the high-efficiency response performance requirements of the database system and the physical structure characteristics of the high-speed operation of the disk device make the system mean time between failures (MTBF) not guaranteed for a long time.
- MTBF time between failures
- the disk is used in a large amount.
- the system reliability will drop rapidly.
- a large amount of disk storage data will consume a lot of power first.
- For a PB-level database system at least 700 hard disks are required.
- the number of hard drives will double, so it is not suitable for big data sources. Even with power-saving technology, the power consumption of the disk array during operation is considerable.
- the hard disk array cannot be used in some environments with high security requirements.
- the data on the disk is easily lost due to physical damage to the disk, so you need to configure the backup system to back up data in real time or periodically.
- the real-time backup system also increases equipment investment and power consumption.
- Regular backup systems often use incremental backups and backups in storage devices such as tapes.
- the backup data cannot be directly read by the DBMS.
- the backup and restore cycle is long. It affects the normal working hours of the database system.
- the object of the present invention is to provide a database storage system based on an optical disk, which solves the technical problem of high storage cost of the database disk and poor data security.
- Another object of the present invention is to solve the technical problem of difficulty in balancing the security and use efficiency of a database system by utilizing the above-described optical disk-based database storage system for data processing.
- the optical disk-based database storage system of the present invention comprises a database management system installed on a server, a disk storage device and an optical disk storage device connected to the server data, and a disk database built on the disk storage device, and the database management system is configured to respond Data request, complete database management and data management of the storage device, wherein: the database management system includes a field structure generation module, a record index generation module, a storage space allocation module, a storage space status module, a record link module, a record split module, and a CD-ROM construction. Library module,
- the field structure generating module reads the field structure information of each record in the database, including the data type and length of each field in the record, and writes into the database file or the database management system;
- the index generating module records the index information of each record in the database, including the modification time and modification content of each field in the record, and writes into the database file or the database management system;
- a storage space allocation module which records location information of a standard storage unit allocated in a database file for each record, and writes it into a database file or a database management system;
- the storage space status module records the unused space information in the standard storage unit in the database file and writes it into the database file or the database management system;
- Record the split module perform record splitting in the database according to the database management system instructions, data splitting is performed in units of records, read database feature data, determine the data position and data amount of each field in the record, and mark the compliance with the instruction parameters. Record, and write the tag information in a database file or database management system;
- the CD-ROM building module is configured to write a record matching the capacity of the disk database with the capacity of the optical disk into a sub-database file established on the optical disc by the database management system, and generate field structure information and index information of the corresponding record through the database management system, and record the standard storage.
- the unit location information and the spatial information form database feature data of the sub-database.
- the database management system further includes a library structure generating module, and the library structure of the database is formed into an independent data file, and the database management system establishes a sub-database of the same library structure on the optical disc according to the independent data file, or establishes the same library structure on other disk storage devices.
- Disk database The database management system further includes a record merging module, and merging the records in the sub-database on the optical disc into a disk database on the disk storage device according to the database management system instruction, and generating field structure information and index information of the corresponding record through the database management system. And recording standard storage unit location information and spatial information to form database feature data of the disk database.
- the method for performing data processing on the disk database using the optical disk-based database storage system is as follows:
- Step 110 The database management system acquires a capacity parameter of the optical storage medium.
- Step 115 reading the database characteristic data of the disk database in the disk storage device by the record splitting module, calculating the capacity of each record, determining the starting record number and the ending record number of each sub-database, and the number of records of each sub-database;
- Step 120 Create a sub-database file of the same library structure on the optical disc by using the library structure generating module.
- Step 130 Write the field structure information of the corresponding record to each sub-database file by using the field structure generating module.
- Step 135 Write index information of the corresponding record to each sub-database file by using the record index generating module;
- Step 140 by storing The space allocation module writes the corresponding recorded standard storage unit location information into each sub-database file;
- Step 145 Record spatial information of the standard storage unit by using a storage space status module.
- Step 150 Complete database backup by forming a database module characteristic data of the corresponding sub-database by recording the link module.
- Step 210 The database management system establishes a disk database file in the disk storage device by using the library structure generating module.
- Step 220 The database management system writes the record sequence in each sub-database to the disk database file in the disk storage device according to the record number size of each sub-database by recording the merge module;
- Step 225 Write the record field structure information to the disk database file by using the field structure generation module.
- Step 230 Write the record index information to the disk database file by using the record index generation module.
- Step 235 Write the recorded standard storage unit location information into the disk database file by using the storage space allocation module;
- Step 240 Record spatial information of the standard storage unit by using a storage space status module.
- Step 245 the database feature data of the disk database is formed by the record linking module, and the database restoration is completed.
- the optical disk database data is on the disk.
- Step 310 The database management system establishes a disk database file in the disk storage device by using the library structure generating module.
- Step 315 the database management system reads the database feature data in the sub-database on each optical disk by the record splitting module, and determines the recorded record number and The amount of data determines the recording capacity of each sub-database;
- Step 320 the database management system records the merge module, reads the required records from the sub-databases, and writes the database files in the disk storage device;
- Step 325 Generate field structure information of the record by using a field structure generating module.
- Step 330 Generate index information of the record by using a record index generation module.
- Step 335 Record standard storage unit location information by using a storage space allocation module.
- Step 340 Record spatial information of the standard storage unit by using a storage space status module.
- Step 345 forming the database in the disk storage device by completing the database characteristic data of the database in the disk storage device by recording the link module.
- Step 410 The database management system creates a sub-database file on the optical disc by using a library structure generating module.
- Step 415 the database management system reads the database feature data in the disk database on the disk by the record splitting module, and determines the storage capacity and storage location of each record;
- Step 420 The database management system records the merged module, reads the required record from the disk database, and writes the database file in the optical disc;
- Step 425 Generate field structure information of the record by using a field structure generating module.
- Step 430 Generate index information of the record by using a record index generating module.
- Step 435 Record standard storage unit location information by using a storage space allocation module.
- Step 440 Record spatial information of the standard storage unit by using a storage space status module.
- Step 445 Form the database feature data of the sub-database in the optical disc by recording the link module, and complete the establishment of the database on the optical disc by using the data in the disk database.
- the optical disk-based database storage system of the invention improves the storage backup function of the database, and the database management system splits a huge disk database into several structural definitions with complete data, complete data sub-databases, and record related data in the disk database. Need to store or correlate across databases, so that the disk database can maintain data integrity during the backup process.
- Each CD containing the sub-database can be managed by the database management system as a normal data source.
- the database management system can directly perform data retrieval on the optical disk as a backup, and provides a technical means for finally realizing the use of the optical disk instead of the disk as the storage carrier of the database. Can significantly reduce the construction cost of the database storage system, reduce energy consumption, solve data security and data response The contradiction between performance.
- the database backup, merge and restore method of the invention changes the data format of the data in the backup state, improves the data backup and restore speed, and does not affect the data response service of the database management system, so that the data in the database can be directly stored on the optical disc. It provides a good way to achieve hierarchical storage of database data using disk storage devices and optical disk storage devices.
- FIG. 1 is a schematic structural diagram of an embodiment of a database storage system based on an optical disc according to the present invention
- FIG. 2 is a schematic structural diagram of a database management system in an embodiment of a database storage system based on an optical disc according to the present invention
- FIG. 3 is a schematic diagram showing the physical structure of a database file in an embodiment of a database storage system based on an optical disc;
- FIG. 4 is a flow chart 1 of a method for performing data processing using the optical disk-based database storage system of the present invention
- FIG. 5 is a flow chart 2 of a method for data processing using the optical disk-based database storage system of the present invention
- FIG. 6 is a disc based on the present invention.
- Flowchart 3 of the method for data processing by the database storage system
- FIG. 7 is a flow chart 4 of the method for data processing using the optical disk-based database storage system of the present invention.
- the server server disk storage device diskstorage is installed, the database management system dm is installed on the server server, and the disk database db is installed on the disk storage device diskstorage. It also includes the optical disc library jukebox as an optical disc storage device, which uses the disc change mechanism to complete the replacement of the optical disc on the drive, and uses the drive to complete the reading and writing of each optical disc.
- the database management system dm adopts TRIP, and the disk storage device uses the RAID disk array.
- the server server separately connects with the optical library jukebox and the disk storage device diskstorage.
- the database management system dm responds to the data requirements, establishes the disk database db file on the disk, manages the records in the database, and establishes data backup and read restore on the CD cd.
- Data, the optical library jukebox completes the CD cd replacement on the drive according to the corresponding data command of the database management system dm.
- the database management system dm includes a field structure generation module ul, a record index generation module u2, a storage space allocation module u3, a storage space status module u4, a record link module u5, a record split module u6, a CD library building module u7, and a field structure generation module. Ul, read the field structure information of each record in the database, including the data type and length of each field in the record, and write it to the database file or the database management system dm;
- the index generating module u2 records the index information of each record in the database, including the modification time and modification content of each field in the record, and writes the file to the database file or the database management system dm;
- the storage space allocation module u3 records the location information of the standard storage unit allocated in the database file for each record, and writes it into the database file or the database management system dm;
- the storage space status module u4 records the unused space information in the standard storage unit allocated in the database file, and writes it to the database file or the database management system dm;
- Recording link module u5 combining field structure information, index information, location information of standard storage unit and spatial information of each record in the database to form database feature data, and writing into database file or database management system dm;
- recording split module U6 according to the database management system dm instruction to perform record splitting in the database, the data split is performed in units of records, the database feature data is read, the data position and data amount of each field in the record are determined, and the record conforming to the command parameter is marked. , and write the tag information in the database db file or database management system dm;
- the CD-ROM building module u7 is used to write the record matching the capacity of the disk database db with the capacity of the optical disk into the sub-database dbl file established on the optical disk by the database management system dm, and generate the field structure information and index of the corresponding record through the database management system dm.
- the database management system dm further includes a library structure generation module u8, which forms a database structure of the database into a separate data file, and the database management system dm establishes a sub-database dbl of the same library structure on the optical disk according to the independent data file, or on other disk storage devices diskstorage Create a disk database db of the same library structure.
- a library structure generation module u8 which forms a database structure of the database into a separate data file
- the database management system dm establishes a sub-database dbl of the same library structure on the optical disk according to the independent data file, or on other disk storage devices diskstorage Create a disk database db of the same library structure.
- the data usage rights of the database can be effectively managed, and when the database is directly established through the database management system, the database structure is accidentally leaked, and the encryption/decryption processing of the independent data files can avoid the database being established at a different location or in a different location.
- the database structure is leaked. Only the database structure and database files can be used to establish an available database, which avoids the illegal use of database files.
- the database management system dm further includes a record merge module u9, according to the database management system dm instruction, merges the records in the sub-database dbl on the optical disc into the disk database db on the disk storage device diskstor, and generates corresponding records through the database management system dm Field structure information, index information, standard storage unit location information, and spatial information are formed to form database feature data of the disk database db.
- the database file shown in Figure 3 includes a control block, a record number index, a vacancy table, and a data block.
- the control block stores the record number, the field corresponding to the record number, the highest record number that has been indexed, the record number that has not been modified or added since the last index, and the record number index and the address of the vacancy table.
- the record number index consists of a number of standard memory locations, each of which contains pointers to the latest version of each record and the date and time the version was generated/modified.
- the vacancy table holds how much space is available in each standard storage unit.
- the data block is composed of standard storage units and is the place where the data of each record field itself is stored. Each block continuously stores the entire record, or a part of the record.
- the database management system dm the field structure information, index information, and standard storage unit location information of each record constituting the database feature data are updated as the record changes or moves.
- the database management system dm can split a huge disk database into a plurality of complete sub-databases, each sub-database has the same structure as the original disk database, and the associated data of each record in the sub-database is complete, and the database management The system dm can complete the data retrieval and query of the record range directly in the sub-database, and does not need to perform data retrieval between different sub-databases on different field data of the same record, and maintains the data integrity of each sub-database.
- this embodiment can use a sub-database file equivalent to the backup medium capacity as a backup file in the database backup, so that the data backup format and the database format are made. Consistent. You can make full use of the capacity advantage of the optical disk library, directly split the large database into sub-databases, burn them on the corresponding CD-ROM, and realize data backup. At the same time, the database management system dm can directly retrieve the infrequently used data in the optical disk library, reducing the demand for disk storage devices, and achieving a significant reduction in system component cost and system power consumption. Furthermore, the security of the data is improved while ensuring that the disk storage device is highly efficient in responding to data.
- optical disk-based database storage system of the present invention can be applied to other SQL database systems through adaptive modification, and provides a good solution for widely implementing high reliability data storage.
- the optical disc used has two kinds of optical discs, a rewritable optical disc and a write-once optical disc. Rewritable discs can be burned repeatedly, and write-once discs are written once and cannot be overwritten.
- Step 110 The database management system acquires a capacity parameter of the optical disk storage medium
- Step 115 reading the database characteristic data of the disk database in the disk storage device by the record splitting module u6, calculating the capacity of each record, determining the starting record number and the ending record number of each sub-database, and the number of records of each sub-database;
- Step 120 Create a sub-database file of the same library structure on the optical disc by using the library structure generating module u8;
- Step 125 record the record between the initial record number and the end record number corresponding to each sub-database by the CD-ROM building module u7 Sequentially written to the sub-database file on the corresponding disc;
- Step 130 the field structure generating module ul writes the field structure information of the corresponding record to each sub-database file; Step 135, the index information of the corresponding record is written into each sub-database file by the record index generating module u2; Step 140, the standard storage unit location information of the corresponding record is written into each sub-database file by the storage space allocation module u3;
- Step 145 Record the spatial information of the standard storage unit by using the storage space status module u4.
- Step 150 Form the database feature data of the corresponding sub-database by recording the link module u5, and complete the database backup.
- the process of restoring the optical disk database to the disk storage device using the above-described optical disk-based database storage system is as follows:
- Step 210 The database management system establishes a disk database file in the disk storage device by using the library structure generating module u8.
- Step 215 The database management system reads the database feature data in the sub-database on each optical disc through the record splitting module u6, determines the minimum record number and the maximum record number of the record, and determines the record capacity and the record quantity of each sub-database;
- Step 220 The database management system records the record sequence in each sub-database into the disk database file in the disk storage device according to the size of each sub-database record number by recording the merge module u9;
- Step 225 the field structure information is written into the disk database file by the field structure generating module ul;
- Step 230 the record index information is written into the disk database file by the record index generating module u2;
- Step 235 through the storage space allocation Module u3 writes the recorded standard storage unit location information to the disk database file;
- Step 240 recording spatial information of the standard storage unit by using the storage space status module u4;
- Step 245 Form database characteristic data of the disk database by recording the link module u5, and complete database restoration.
- the process of creating a database on the disk using the above-described optical disk-based database storage system is as follows:
- Step 310 the database management system establishes a disk database file in the disk storage device by using the library structure generating module u8;
- Step 315 the database management system reads the database feature data in the sub-database on each optical disc through the record splitting module u6, determines the recorded record number and the data amount, and determines the record capacity of each sub-database;
- Step 320 the database management system records the merge module u9, reads the required records from the sub-databases, and writes the database files in the disk storage device;
- Step 325 generating, by using the field structure generating module ul, field structure information of the record;
- Step 330 Generate index information of the record by using the record index generating module u2.
- Step 335 recording standard storage unit location information by using a storage space allocation module u3;
- Step 340 recording spatial information of the standard storage unit by using the storage space status module u4;
- Step 345 forming database characteristic data of the database in the disk storage device by the record linking module u5, completing the optical disk database data to establish a database in the disk storage device.
- Step 410 The database management system creates a sub-database file on the optical disc by using the library structure generating module u8.
- Step 415 the database management system reads the database characteristic data in the disk database on the disk through the record splitting module u6, and determines the storage capacity of each record. storage location;
- Step 420 the database management system records the merge module u9, reads the required records from the disk database, and writes the database files in the optical disc;
- Step 425 generating, by using the field structure generating module ul, field structure information of the record
- Step 430 Generate index information of the record by using the record index generating module u2.
- Step 435 recording standard storage unit location information by using the storage space allocation module u3;
- Step 440 recording spatial information of the standard storage unit by using the storage space status module u4;
- Step 445 forming database characteristic data of the sub-database in the optical disc by recording the link module u5, and completing establishing a database on the optical disc by using data in the disk database.
- a method for establishing a database using a rewritable optical disk on a rewritable optical disk includes the following steps: Step 1. The server is directly connected to the optical disk drive;
- Step 2 Install the database management system software on the server
- Step 3 Set the virtual CD drive letter in the configuration file.
- MYCD MYBD is the virtual CD drive letter
- G, H is the CD drive letter.
- One server can connect to multiple optical drives;
- Step 4 Create a volume label on the optical disc, format the rewritable optical disc by erasing the rewritable optical disc, and complete the creation of the optical disc label;
- Step 5 Create a database on the CD and execute the command " MYCD: databasel " ;
- Step 6 Enter data into the database on the CD.
- Step 1 The server is connected to the optical disc library
- Step 2 Install the database management system software and the optical disc library management software on the server;
- Step 3 Set the virtual CD library drive letter in the configuration file.
- MYCD Z: ⁇
- MYCD is the virtual CD library drive letter
- Z is the CD library drive letter
- Step 4 Using the optical disc library management software to create a volume label "DVD1" on the optical disc;
- Step 5 Create a database on the CD in the CD library.
- Step 6 Enter data into the database on the CD in the CD library.
- the optical disc library is a system for storing and managing optical discs, and is composed of a disc changer (manipulator), a plurality of optical disc drives, and a plurality of optical discs.
- the optical disc library is a massive database storage system that supports online access to the optical disc library of multiple discs. Using the optical disk library to store the database ensures physical security of the data and facilitates system expansion. CD, DVD or BD disc drives can be installed as required.
- Example 3 A method of establishing a database on a write-once optical disc, comprising the following steps:
- Step 1 The server is directly connected to the optical disc drive
- Step 2 Install the database management system software on the server.
- Step 3 Set the virtual CD drive letter in the configuration file.
- MYCD MYBD is the virtual CD drive letter
- G, H is the CD drive letter.
- One server can connect to multiple optical drives;
- Step 4 Create a database on the disk storage device and execute the command "D: ⁇ databasel";
- Step 5 Enter data into a database on the disk storage device
- Step 6 Modify the database path, change the database path D: ⁇ to MYCD, and execute the command " MYCD : database 1.BAF";
- Step 7 Create a disc name on the write-once disc, and burn the database on which the data has been recorded on the disk storage device to the write-once disc.
- Step 1 The server is connected to the optical disc library
- Step 2 Install the database management system software and the optical disc library management software on the server;
- Step 3 Set the virtual CD library drive letter in the configuration file.
- MYCD is the virtual CD library drive letter
- Z is the CD library drive letter
- Step 4 Create a database on the disk storage device and execute the command "D: ⁇ databasel"; Step 5: Enter data into a database on the disk storage device;
- Step 6 Create a volume label "DVD1" on the optical disc by using the optical disc library management software
- Step 7 Modify the database path, change the database path D: ⁇ to MYCD:, execute the command " MYCD : DVDl ⁇ databasel ";
- Step 8 Burn the database to the disc in the CD library.
- the database stored in the disk storage device can be split, and the databases stored on the optical disk can be merged.
- the capacity of the database in the disk storage device When the capacity of the database in the disk storage device is larger than the capacity of one optical disk, it can be split into several databases, so that the capacity of each library is smaller than the capacity of the optical disk.
- Several small libraries generated after splitting can be stored on multiple discs, and the database structure on each disc is the same as the original database.
- Step 1 The database management system reads the database characteristic data of the database in the disk storage device according to the capacity of the storage medium of the optical disk, calculates the capacity of each record, determines the starting record number and the ending record number of each sub-database, and the number of records in each sub-database. ;
- Step 2 respectively establish corresponding sub-database files on the optical disc
- Step 3 Write the record sequence between the start record number and the end record number corresponding to each sub-database into the sub-database file on the corresponding CD-ROM, write the corresponding database feature data, and complete the database backup;
- the sub-database on each backup disc has the same structure as the original database library, and the specific data corresponding to the records in the sub-database is included in the database file.
- Step 1 Determine the minimum record number and the maximum record number of the record according to the database feature data in the sub-database on each optical disc, and determine the record capacity of each sub-database;
- Step 2 Establish a database file in the disk storage device
- Step 3 According to the size of each sub-database record number, write the record sequence in the sub-database to the database file in the disk storage device, update the database feature data of each sub-database, and complete the database merge and restore.
- the invention is based on the database storage system of the optical disc, so that the existing optical disc resources are fully utilized, and a good way is provided for realizing hierarchical storage of the database data using the disk storage device and the optical disc storage device, and thus has a large market.
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13850657.1A EP2916240A4 (en) | 2012-11-01 | 2013-04-24 | COMPACT DISK DATA BASE STORAGE SYSTEM AND METHOD OF USING THE SYSTEM |
US14/417,492 US9996557B2 (en) | 2012-11-01 | 2013-04-24 | Database storage system based on optical disk and method using the system |
JP2015538256A JP6178859B2 (ja) | 2012-11-01 | 2013-04-24 | 光ディスクに基づくデータベース記憶システム及びその利用方法 |
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CN201210431169.3A CN102968460B (zh) | 2012-11-01 | 2012-11-01 | 基于光盘的数据库存储***及利用该***的方法 |
CN201210431169.3 | 2012-11-01 |
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CN112784120A (zh) * | 2021-01-25 | 2021-05-11 | 浪潮云信息技术股份公司 | 一种基于范围分片方式的kv内存数据库存储管理方法 |
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CN102968460B (zh) * | 2012-11-01 | 2015-09-02 | 陶光毅 | 基于光盘的数据库存储***及利用该***的方法 |
CN103177127B (zh) * | 2013-04-18 | 2016-03-09 | 陶光毅 | 基于光盘库的数据库存储***及利用该***的方法 |
CN104008207B (zh) * | 2014-06-18 | 2017-06-06 | 广东绿源巢信息科技有限公司 | 基于光盘的数据库的数据外部存储***及数据存储方法 |
CN105843879B (zh) * | 2016-03-21 | 2019-07-09 | 刘春阳 | 基于光盘的异构类型数据库存储***及利用该***的方法 |
CN106202340B (zh) * | 2016-07-04 | 2019-11-08 | 陶光毅 | 基于光盘的数据库双核存储***及利用该***的方法 |
US10445235B2 (en) * | 2016-07-29 | 2019-10-15 | Seagate Technology Llc | Weighted data striping |
CN106649467B (zh) * | 2016-09-27 | 2020-07-31 | 上海爱数信息技术股份有限公司 | 一种蓝光光盘库归档管理方法及*** |
CN107943995B (zh) * | 2017-09-22 | 2022-03-08 | 国网重庆市电力公司电力科学研究院 | 一种sql查询结果列名及编码自动转换方法 |
CN108446392A (zh) * | 2018-03-23 | 2018-08-24 | 北京星震维度信息技术有限公司 | 光盘库的管理***及方法 |
CN111190908B (zh) * | 2018-11-15 | 2023-09-22 | 华为技术有限公司 | 一种数据管理方法、装置及*** |
CN111240893B (zh) * | 2019-12-26 | 2023-07-18 | 曙光信息产业(北京)有限公司 | 一种基于数据流分片技术的备份和还原管理方法及*** |
CN111352986A (zh) * | 2020-02-28 | 2020-06-30 | 平安科技(深圳)有限公司 | 一种数据库表结构导出的方法、装置及终端设备 |
CN111428270A (zh) * | 2020-04-16 | 2020-07-17 | 陶光毅 | 一种基于光盘的数据库分布式存储方法和存储*** |
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CN112784120A (zh) * | 2021-01-25 | 2021-05-11 | 浪潮云信息技术股份公司 | 一种基于范围分片方式的kv内存数据库存储管理方法 |
CN112784120B (zh) * | 2021-01-25 | 2023-02-21 | 浪潮云信息技术股份公司 | 一种基于范围分片方式的kv内存数据库存储管理方法 |
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JP2015532993A (ja) | 2015-11-16 |
EP2916240A1 (en) | 2015-09-09 |
US9996557B2 (en) | 2018-06-12 |
HK1177298A1 (zh) | 2013-08-16 |
JP6178859B2 (ja) | 2017-08-09 |
CN102968460A (zh) | 2013-03-13 |
EP2916240A4 (en) | 2016-04-20 |
CN102968460B (zh) | 2015-09-02 |
US20150193473A1 (en) | 2015-07-09 |
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