CN108509599A - A kind of creation method and device of data model - Google Patents
A kind of creation method and device of data model Download PDFInfo
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- CN108509599A CN108509599A CN201810283626.6A CN201810283626A CN108509599A CN 108509599 A CN108509599 A CN 108509599A CN 201810283626 A CN201810283626 A CN 201810283626A CN 108509599 A CN108509599 A CN 108509599A
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Abstract
This application discloses a kind of creation method of data model and devices, obtain each data item information in each default field respectively；The mapping relations for establishing each data item and entity class in preset standard model in each default field respectively, according in each default field the mapping relations and each data item information creating each preset the data submodel in field；It determines whether each data item is cross-domain data item in each default field respectively, and is integrated the data submodel in each default field according to cross-domain data item, obtain target data model.The fragmentation for solving the problems, such as available data model avoids " information island " phenomenon occurred during informatization.
Description
Technical field
The present invention relates to technical field of data processing, more particularly to the creation method and device of a kind of data model.
Background technology
In previous data warehouse BI projects, methodology, the concept of data model usually surround and how to design and build
Data warehouse, and application system (OLTP systems) modelling lacks the guidance of methodology, each application system is usually all in addition
It is to be developed in different times designed, designed by different vendor, lacks link up each other, data dispersion repetition, bore is caused to differ
It causes and data poor compatibility.Since data warehouse belongs to down-stream system in enterprise's Global Informationization planning, can only passively receive
After data are put in storage, since bore is inconsistent, poor compatibility, pole is brought to Data Integration for the data generated by each application system
It is big difficult.Enterprise promotes IT application construction, still appearance largely " information island " in a large amount of human and material resources of input and fund
Phenomenon.
Invention content
In view of this, the present invention provides a kind of creation method of data model and device, available data model is solved
Fragmentation problem avoids " information island " phenomenon occurred during informatization.
In order to achieve the above-mentioned object of the invention, specific technical solution provided by the invention is as follows：
A kind of creation method of data model, including：
Each data item information in each default field is obtained respectively；
The mapping relations for establishing each data item and entity class in preset standard model in each default field respectively, according to
The mapping relations and each data item information creating in each default field each preset the data submodel in field；
Determine whether each data item is cross-domain data item in each default field respectively, and will be every according to cross-domain data item
The data submodel in a default field is integrated, and target data model is obtained.
Preferably, the data item information includes essential information, master data information, business information and interactive information；
Described obtain respectively each presets each data item information in field, including：
Respectively according to the data dictionary in each default field, multiple data item in each default field are extracted, and obtain
The essential information and master data information of each data item；
The Workflow messages for obtaining each default field respectively, distinguish according to the Workflow messages in each default field
The mapping relations between operation flow, service link and data item in corresponding default field are established, to obtain each data item
Business information；
It determines whether each data item in each default field is the data item of this field generation respectively, and determines each
The data source of data item, to obtain the interactive information of each data item.
Preferably, the essential information and master data information for obtaining each data item, including：
Duplicate removal processing is carried out to each data item in each default field respectively, obtains data item with uniqueness；
Respectively according to the essential information of each data item with uniqueness of data dictionary extraction in each default field, institute
It includes table name, table description, field name, field description, field type, major key information and foreign key information to state essential information；
According to the feature of master data, judge whether each data item with uniqueness is master data, it is each to obtain
The master data information of data item with uniqueness.
Preferably, the basis each preset field in the mapping relations and each data item information creating it is each pre-
If the data submodel in field, including：
Judge whether cannot to establish the data item of mapping relations；
If, it is impossible to the data item for establishing mapping relations is determined as model extension demand point；
According to the main body domain belonging to the model extension demand point, using the model extension demand point as newly-increased entity class
It is added in preset standard model；
According in each default field the mapping relations and each data item information obtain the number in each default field
According to submodel；
If it is not, directly being obtained according to each mapping relations preset in field and each data item information each default
The data submodel in field.
Preferably, described to be integrated the data submodel in each default field according to cross-domain data item, obtain target
Data model, including：
The default field where each cross-domain data item is attached by cross-domain data item respectively；
Data item duplicate removal processing is carried out to the data model obtained after connection, obtains target data model；
Processing is patterned to the target data model, obtains including between multiple data item and each data item
Associated target data model figure.
A kind of creating device of data model, including：
Data item information acquisition unit, for obtaining each data item information in each default field respectively；
Mapping relations establish unit, are used to establish respectively in each default field in each data item and preset standard model
The mapping relations of entity class, according in each default field the mapping relations and each data item information obtain it is each default
The data submodel in field；
Submodel integral unit, for determining respectively, whether each data item is cross-domain data item in each default field,
And integrated the data submodel in each default field according to cross-domain data item, obtain target data model.
Preferably, the data item information includes essential information, master data information, business information and interactive information；
The data item information acquisition unit includes：
First obtains subelement, for according to the data dictionary in each default field, extracting in each default field respectively
Multiple data item, and obtain the essential information and master data information of each data item；
Second obtains subelement, the Workflow messages for obtaining each default field respectively, according to each default neck
The mapping that the Workflow messages in domain establish in corresponding default field between operation flow, service link and data item respectively is closed
System, to obtain the business information of each data item；
Third obtains subelement, for determining whether each data item in each default field is that this field generates respectively
Data item, and the data source of each data item is determined, to obtain the interactive information of each data item.
Preferably, the first acquisition subelement includes：
First duplicate removal processing subelement is obtained for carrying out duplicate removal processing to each data item in each default field respectively
To data item with uniqueness；
Subelement is extracted, for respectively according to each data with uniqueness of data dictionary extraction in each default field
The essential information of item, the essential information includes table name, table description, field name, field description, field type, major key information
And foreign key information；
First judgment sub-unit, for according to the feature of master data, judge each data item with uniqueness whether be
Master data, to obtain the master data information of each data item with uniqueness.
Preferably, the mapping relations establish unit and include：
Second judgment sub-unit, the data item for judging whether cannot to establish mapping relations；If so, triggering determines
Subelement, if it is not, triggering creates subelement；
The determination subelement, the data item for that cannot establish mapping relations are determined as model extension demand point；
Subelement is added, for the main body domain belonging to the model extension demand point, by the model extension demand
Point is added to as entity class is increased newly in preset standard model；
The establishment subelement, for according to the mapping relations and each data item information wound in each default field
Build the data submodel in each default field.
Preferably, the submodel integral unit includes：
Subelement is connected, for respectively connecting in the default field where each cross-domain data item by cross-domain data item
It connects；
Second duplicate removal processing subelement is obtained for carrying out data item duplicate removal processing to the data model obtained after connection
Target data model；
Graphical treatment subelement obtains including multiple numbers for being patterned processing to the target data model
According to associated target data model figure between item and each data item.
Compared with the existing technology, beneficial effects of the present invention are as follows：
The creation method and device of a kind of data model disclosed by the invention are obtained in each default field respectively per number
After item information, the mapping relations of each data item and entity class in preset standard model in each default field are established respectively,
So that each data item is met preset standard model, improves data normalization and compatibility.Meanwhile according to each default field
In the mapping relations and each data item information creating each preset field data submodel；It determines respectively each default
Whether each data item is cross-domain data item in field, and according to cross-domain data item by the data submodel in each default field into
Row is integrated, and target data model is obtained.So that cross-domain data is combined, forms the overall data that various functional areas are mutually merged
Model solves the problems, such as the fragmentation of available data model, avoids " information island " phenomenon occurred during informatization.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of creation method flow chart of data model disclosed by the invention；
Fig. 2 is the creation method flow chart of another data model disclosed by the invention；
Fig. 3 is data item information schematic diagram disclosed by the invention；
Fig. 4 is a kind of creating device structural schematic diagram of data model disclosed by the invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, present embodiment discloses a kind of creation method of data model, following steps are specifically included：
S101：Each data item information in each default field is obtained respectively；
Specifically, default field is the business scope divided in advance according to data source, e.g., personnel arrangement, finance, object
Money, project, power grid, assets and client.
Specifically, the data item information includes essential information, master data information, business information and interactive information；Herein
On the basis of, referring to Fig. 2, the specific implementation procedure of S101 is as follows：
S201：Respectively according to the data dictionary in each default field, multiple data item in each default field are extracted, and
Obtain the essential information and master data information of each data item；
Duplicate removal processing is carried out to each data item in each default field respectively, obtains data item with uniqueness；
Respectively according to the essential information of each data item with uniqueness of data dictionary extraction in each default field, institute
It includes table name, table description, field name, field description, field type, major key information and foreign key information to state essential information；Specifically
Please refer to data item essential information part in Fig. 3；
According to the feature of master data, judge whether each data item with uniqueness is master data, it is each to obtain
The master data information of data item with uniqueness.Referring specifically to master data message part in Fig. 3.
Master data (MD Master Data) is the data shared between computer systems.
S202：The Workflow messages for obtaining each default field respectively, believe according to the operation flow in each default field
Breath establishes the mapping relations between operation flow, service link and data item in corresponding default field respectively, each to obtain
The business information of data item；Referring specifically to business information part in Fig. 3.
The business information of data item includes the operation flow and service link belonging to data item.
S203：Determine whether each data item in each default field is data item that this field generates respectively, and really
The data source of fixed each data item, to obtain the interactive information of each data item.Please refer to interactive information part in Fig. 3.
Wherein, data source is the operation system that data item generates.
S102：Each data item and the mapping of entity class in preset standard model in each default field is established respectively to close
System, according in each default field the mapping relations and each data item information creating each preset field data submodule
Type；
The preset standard model is enterprise information model (SG-CIM2.0) and the nearest standard (IEC61968V12/ of IEC
61970V17)。
When data item cannot be corresponding with any one of preset standard model entity class, then reflects in the presence of cannot establish
Penetrate the data item of relationship.
Specifically, judging whether cannot to establish the data item of mapping relations；
If, it is impossible to the data item for establishing mapping relations is determined as model extension demand point；
According to the main body domain belonging to the model extension demand point, using the model extension demand point as newly-increased entity class
It is added in preset standard model；
According in each default field the mapping relations and each data item information obtain the number in each default field
According to submodel；
If it is not, directly being obtained according to each mapping relations preset in field and each data item information each default
The data submodel in field.
Be added in preset standard model using the model extension demand point as newly-increased entity class need to follow it is following several
Principle：
1, IEC has either covered directly reference IEC SG-CIM2.0 master patterns in SG-CIM2.0；
2, IEC or SG-CIM2.0 endless all standings expand sophisticated model attribute according to model design specification；
3, it is unlapped to be directed to IEC or SG-CIM2.0, according to the design philosophy of SG-CIM, increases model entity newly；
4, it directly quotes:Not in CIM model name and structure carry out any change, directly quote class in CIM, category
Property and relationship.
5, it inherits:It is derived from from the service class in CIM, forms new class, and attribute and relationship defined in new class.Example
Such as, " EuqTrsiLine (transmission line of electricity) " class is the class of SG-CIM extensions, it inherits " the Line quoted from CIM in SG-CIM
(circuit) " class.
6, weak related expanding:Due to that can be supported without applicable class in CIM, and from the IdentifiedObject of CIM and
Document etc. is inherited with the relevant class of technology mechanism.For example, " HrOrganisationInfo (management and control basic organization) "
Class is to inherit " Document (the document) " class quoted from CIM in SG-CIM.
S103：Determine whether each data item is cross-domain data item in each default field respectively, and according to cross-domain data
Item integrates the data submodel in each default field, obtains target data model.
The default field where each cross-domain data item is attached by cross-domain data item respectively；
Data item duplicate removal processing is carried out to the data model obtained after connection, obtains target data model；
Processing is patterned to the target data model, obtains including between multiple data item and each data item
Associated target data model figure.
A kind of creation method of data model disclosed in the present embodiment obtains each data item in each default field respectively
After information, the mapping relations of each data item and entity class in preset standard model in each default field are established respectively, are made every
A data item all meets preset standard model, improves data normalization and compatibility.Meanwhile according in each default field
The mapping relations and each data item information creating each preset the data submodel in field；Each default field is determined respectively
In each data item whether be cross-domain data item, and according to cross-domain data item the data submodel in each default field carried out whole
It closes, obtains target data model.So that cross-domain data is combined, forms the overall data mould that various functional areas are mutually merged
Type solves the problems, such as the fragmentation of available data model, avoids " information island " phenomenon occurred during informatization.
Based on a kind of creation method of data model disclosed in above-described embodiment, referring to Fig. 4, present embodiment discloses one
The creating device of kind data model, including：
Data item information acquisition unit 401, for obtaining each data item information in each default field respectively；
Mapping relations establish unit 402, for establishing each data item and preset standard mould in each default field respectively
The mapping relations of entity class in type, according in each default field the mapping relations and each data item information obtain it is each
The data submodel in default field；
Submodel integral unit 403, for determining respectively, whether each data item is cross-domain data in each default field
, and integrated the data submodel in each default field according to cross-domain data item, obtain target data model.
Preferably, the data item information includes essential information, master data information, business information and interactive information；
The data item information acquisition unit includes：
First obtains subelement, for according to the data dictionary in each default field, extracting in each default field respectively
Multiple data item, and obtain the essential information and master data information of each data item；
Second obtains subelement, the Workflow messages for obtaining each default field respectively, according to each default neck
The mapping that the Workflow messages in domain establish in corresponding default field between operation flow, service link and data item respectively is closed
System, to obtain the business information of each data item；
Third obtains subelement, for determining whether each data item in each default field is that this field generates respectively
Data item, and the data source of each data item is determined, to obtain the interactive information of each data item.
Preferably, the first acquisition subelement includes：
First duplicate removal processing subelement is obtained for carrying out duplicate removal processing to each data item in each default field respectively
To data item with uniqueness；
Subelement is extracted, for respectively according to each data with uniqueness of data dictionary extraction in each default field
The essential information of item, the essential information includes table name, table description, field name, field description, field type, major key information
And foreign key information；
First judgment sub-unit, for according to the feature of master data, judge each data item with uniqueness whether be
Master data, to obtain the master data information of each data item with uniqueness.
Preferably, the mapping relations establish unit and include：
Second judgment sub-unit, the data item for judging whether cannot to establish mapping relations；If so, triggering determines
Subelement, if it is not, triggering creates subelement；
The determination subelement, the data item for that cannot establish mapping relations are determined as model extension demand point；
Subelement is added, for the main body domain belonging to the model extension demand point, by the model extension demand
Point is added to as entity class is increased newly in preset standard model；
The establishment subelement, for according to the mapping relations and each data item information wound in each default field
Build the data submodel in each default field.
Preferably, the submodel integral unit includes：
Subelement is connected, for respectively connecting in the default field where each cross-domain data item by cross-domain data item
It connects；
Second duplicate removal processing subelement is obtained for carrying out data item duplicate removal processing to the data model obtained after connection
Target data model；
Graphical treatment subelement obtains including multiple numbers for being patterned processing to the target data model
According to associated target data model figure between item and each data item.
A kind of creating device of data model disclosed in the present embodiment obtains each data item in each default field respectively
After information, the mapping relations of each data item and entity class in preset standard model in each default field are established respectively, are made every
A data item all meets preset standard model, improves data normalization and compatibility.Meanwhile according in each default field
The mapping relations and each data item information creating each preset the data submodel in field；Each default field is determined respectively
In each data item whether be cross-domain data item, and according to cross-domain data item the data submodel in each default field carried out whole
It closes, obtains target data model.So that cross-domain data is combined, forms the overall data mould that various functional areas are mutually merged
Type solves the problems, such as the fragmentation of available data model, avoids " information island " phenomenon occurred during informatization.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of creation method of data model, which is characterized in that including：
Each data item information in each default field is obtained respectively；
The mapping relations for establishing each data item and entity class in preset standard model in each default field respectively, according to each
The mapping relations and each data item information creating in default field each preset the data submodel in field；
Determine whether each data item is cross-domain data item in each default field respectively, and will be each pre- according to cross-domain data item
If the data submodel in field is integrated, target data model is obtained.
2. according to the method described in claim 1, it is characterized in that, the data item information includes essential information, master data letter
Breath, business information and interactive information；
Described obtain respectively each presets each data item information in field, including：
Respectively according to the data dictionary in each default field, multiple data item in each default field are extracted, and obtain each
The essential information and master data information of data item；
The Workflow messages for obtaining each default field respectively, are established respectively according to the Workflow messages in each default field
Mapping relations in corresponding default field between operation flow, service link and data item, to obtain the industry of each data item
Business information；
It determines whether each data item in each default field is the data item of this field generation respectively, and determines each data
The data source of item, to obtain the interactive information of each data item.
3. according to the method described in claim 2, it is characterized in that, the essential information and master data for obtaining each data item
Information, including：
Duplicate removal processing is carried out to each data item in each default field respectively, obtains data item with uniqueness；
Respectively according to the essential information of each data item with uniqueness of data dictionary extraction in each default field, the base
This information includes table name, table description, field name, field description, field type, major key information and foreign key information；
According to the feature of master data, judge whether each data item with uniqueness is master data, to obtain each having
The master data information of the data item of uniqueness.
4. according to the method described in claim 1, it is characterized in that, the basis each presets the mapping relations in field
The data submodel in field is each preset with each data item information creating, including：
Judge whether cannot to establish the data item of mapping relations；
If, it is impossible to the data item for establishing mapping relations is determined as model extension demand point；
According to the main body domain belonging to the model extension demand point, added the model extension demand point as newly-increased entity class
Into preset standard model；
According in each default field the mapping relations and each data item information obtain each default field data son
Model；
If it is not, directly obtaining each default field according to each mapping relations preset in field and each data item information
Data submodel.
5. according to the method described in claim 1, it is characterized in that, it is described according to cross-domain data item by the number in each default field
It is integrated according to submodel, obtains target data model, including：
The default field where each cross-domain data item is attached by cross-domain data item respectively；
Data item duplicate removal processing is carried out to the data model obtained after connection, obtains target data model；
Processing is patterned to the target data model, obtains including being associated between multiple data item and each data item
Target data model figure.
6. a kind of creating device of data model, which is characterized in that including：
Data item information acquisition unit, for obtaining each data item information in each default field respectively；
Mapping relations establish unit, for establishing each data item and entity in preset standard model in each default field respectively
The mapping relations of class, according in each default field the mapping relations and each data item information obtain each default field
Data submodel；
Submodel integral unit, for determining in each default field whether each data item is cross-domain data item respectively, and root
The data submodel in each default field is integrated according to cross-domain data item, obtains target data model.
7. device according to claim 6, which is characterized in that the data item information includes essential information, master data letter
Breath, business information and interactive information；
The data item information acquisition unit includes：
First obtains subelement, for according to the data dictionary in each default field, extracting more in each default field respectively
A data item, and obtain the essential information and master data information of each data item；
Second obtains subelement, the Workflow messages for obtaining each default field respectively, according to each default field
Workflow messages establish the mapping relations between operation flow, service link and data item in corresponding default field respectively, from
And obtain the business information of each data item；
Third obtains subelement, for determining whether each data item in each default field is number that this field generates respectively
According to item, and the data source of each data item is determined, to obtain the interactive information of each data item.
8. device according to claim 7, which is characterized in that described first, which obtains subelement, includes：
First duplicate removal processing subelement is had for carrying out duplicate removal processing to each data item in each default field respectively
There is the data item of uniqueness；
Subelement is extracted, for respectively according to each data item with uniqueness of data dictionary extraction in each default field
Essential information, the essential information include table name, table description, field name, field description, field type, major key information and outer
Key information；
First judgment sub-unit, for according to the feature of master data, judge each data item with uniqueness whether based on number
According to obtain the master data information of each data item with uniqueness.
9. device according to claim 6, which is characterized in that the mapping relations establish unit and include：
Second judgment sub-unit, the data item for judging whether cannot to establish mapping relations；If so, triggering determines that son is single
Member, if it is not, triggering creates subelement；
The determination subelement, the data item for that cannot establish mapping relations are determined as model extension demand point；
Subelement is added, for the main body domain belonging to the model extension demand point, the model extension demand point is made
It is added in preset standard model for newly-increased entity class；
The establishment subelement, for every according to each mapping relations preset in field and each data item information creating
The data submodel in a default field.
10. device according to claim 6, which is characterized in that the submodel integral unit includes：
Subelement is connected, for being respectively attached in the default field where each cross-domain data item by cross-domain data item；
Second duplicate removal processing subelement obtains target for carrying out data item duplicate removal processing to the data model obtained after connection
Data model；
Graphical treatment subelement obtains including multiple data item for being patterned processing to the target data model
And associated target data model figure between each data item.
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| CN111143461A (en) * | 2019-12-31 | 2020-05-12 | 中国银行股份有限公司 | Mapping relation processing system and method and electronic equipment |
| CN111666355A (en) * | 2020-06-12 | 2020-09-15 | 远光软件股份有限公司 | Model construction method and device for three-layer model of field, data and scene |
| WO2023020447A1 (en) * | 2021-08-17 | 2023-02-23 | 中兴通讯股份有限公司 | Data processing method, data query method, device, and storage medium |
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