CN103309997A - Internal and external network parallel running system for database merging and method of database merging - Google Patents
Internal and external network parallel running system for database merging and method of database merging Download PDFInfo
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Abstract
An internal and external network parallel running system for database merging comprises an internal network database management system, an external network database management system, and an all-weather physical isolation system, wherein the internal network database management system and the external network database management system are isolated from each other by the all-weather physical isolation system, and exchange data by ferrying equipment; an external network database temporary mirroring unit imports external network data in an external network data table of the external network database temporary mirroring unit into an intermediate data table; the intermediate data table merges the imported data in an internal network data table; and transaction-based double rollback error treatment is performed on the intermediate data table and the internal network data table after merging. With the adoption of the method, not only can the correct merging of the data in the data tables be realized, but also the out-of-control data during the date merging can be avoided effectively, and the parallel running of an internal network system and an external network system of the all-weather physical isolation system is ensured.
Description
Technical field
The present invention relates to the database data folding, be specifically related to the merging method of round-the-clock physically-isolated intranet and extranet parallel running system and database thereof.
Background technology
Round-the-clock physical isolation is a kind of phenomenon that problems such as mechanics of communication restriction, security stipulation requirement, information security needs cause.Any moment all can't communication between round-the-clock physically-isolated Intranet system and the outer net system (be called for short Intranet and outer net), can only be by the file mode swap data of ferrying.Obviously, the data consolidation problem that produces after round-the-clock physically-isolated two system's parallel runnings is often very difficult.Under the harsh requirement of round-the-clock physical isolation, advanced gateway technology has lost meaning, and the user often can only realize that data merge by customizing complicated application program, and does not have versatility and portability.High cost makes most users evade parallel use problem without hesitation, causes the use of intranet and extranet system to be subjected to very big restriction.How to realize that data that intranet and extranet system concurrent working under the round-the-clock physical isolation system model produces correctly, merge efficiently, are current challenge that faces.
Do not find at present explanation or the report of technology similar to the present invention, do not collect both at home and abroad similarly data as yet yet.
Summary of the invention
The invention provides a kind of intranet and extranet parallel running system for the database merging, it comprises intranet data base management system, outer net data base management system (DBMS) and round-the-clock physical isolation system, described intranet data base management system, outer net data base management system (DBMS) are isolated mutually by described round-the-clock physical isolation system, described intranet data base management system, outer net data base management system (DBMS) are carried out exchanges data by ferry-boat equipment
Wherein, described intranet data base management system comprises intranet data storehouse and outer grid database interim image unit, described outer net data base management system (DBMS) comprises outer grid database, and described outer grid database interim image stores the data identical with described outer grid database in the unit;
Described intranet data storehouse comprises a plurality of intranet data tables, data in the described intranet data storehouse are stored in the described intranet data table, described outer grid database comprises a plurality of outer net tables of data, described outer net data of database is stored in the described outer net tables of data, described outer grid database interim image unit comprises a plurality of outer net tables of data and a plurality of intermediate data table, and described intermediate data table is used for the data that storage needs the outer net tables of data of merging;
Described outer grid database interim image unit with the outer net data importing in the outer net tables of data wherein in described intermediate data table, described intermediate data table merges to the data that import in the described intranet data table, during merging described intermediate data table and intranet data table is carried out two rollback error handling processing based on affairs.
Preferably, the data of storage have unified data mode sign in described intranet data table, outer net tables of data and the intermediate data table.
Preferably, described unified data mode sign comprises increase, modification and original.
Preferably, described intermediate data table has been cancelled data and has been obligated relation.
Preferably, the major key table merges after merging the external key reference table earlier in the described tables of data merging process.
The intranet and extranet parallel running system database merging method that the present invention also provides a kind of database to merge, it may further comprise the steps:
A intranet data storehouse is copied to the outer grid database of foundation in the outer net data base management system (DBMS) by the ferry-boat mode, in the intranet data base management system by the ferry-boat mode copy a outer grid database form outside grid database interim image unit, described outer grid database, intranet data storehouse are carried out data by outer net tables of data, intranet data table respectively and are stored;
During intranet and extranet system parallel running, the data state of living in that needs in intranet data table, outer net tables of data and the intermediate data table to merge is carried out mark;
Set up the intermediate data table in the grid database interim image unit outside described, the data importing that outer grid database interim image unit China and foreign countries net tables of data need be merged is in described intermediate data table;
Flag state according to described data carries out union operation to it, and the process that is combined operation is carried out the two rollback error handling processing based on affairs;
Merge successfully back releasing to mark and the outer grid database interim image of the deletion unit of the data of described needs merging.
Preferably, cancelled in the described intermediate data table data have been obligated relation.
Preferably, the described method that the data state of living in that needs in intranet data table, outer net tables of data and the intermediate data table to merge is carried out mark is:
To two fields of design on the data place tables of data of needs merging, and safeguard that by two triggers described two fields are to realize the mark to data respectively.
Preferably, the major key table merges after merging the external key reference table earlier in the described tables of data merging process.
Preferably, the flag state according to described data to its process that merges is:
Contrast the state of tables of data in described intranet data storehouse and the outer net volatile data base mirror image, state of living in according to data recording in the current intermediate data table, determine the union operation that this data need, the data in the intermediate data table of outer net volatile data base mirror image are merged to intranet data table in the intranet data storehouse.
Preferably, described union operation comprises insertion, revises and deletion.
The object of the present invention is to provide a kind of round-the-clock physically-isolated intranet and extranet parallel running system database and merging method thereof, this method not only can realize the correct merging of correlation table relation value and data, can also prevent effectively that the data of data merging process are out of control, for round-the-clock physically-isolated Intranet system and the parallel running of outer net system provide assurance.
Certainly, implement arbitrary product of the present invention and might not need to reach simultaneously above-described all advantages.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
The workflow diagram that Fig. 2 provides for the embodiment of the invention;
Fig. 3 provides the merging process synoptic diagram for the embodiment of the invention.
Specific embodiment
As shown in Figure 1, the invention provides a kind of intranet and extranet parallel running system for the database merging, it comprises intranet data base management system 5, outer net data base management system (DBMS) 6 and round-the-clock physical isolation system 3, intranet data base management system 5, outer net data base management system (DBMS) 6 are isolated mutually by described round-the-clock physical isolation system 3, and intranet data base management system 5, outer net data base management system (DBMS) 6 are carried out exchanges data by ferry-boat equipment 4;
Intranet data base management system 5 comprises intranet data storehouse 7 and outer grid database interim image unit 9, and outer net data base management system (DBMS) 6 comprises outer grid database 8, stores the data identical with outer grid database 8 in the outer grid database interim image unit 9;
Intranet data storehouse 7 comprises a plurality of intranet data tables, data in the intranet data storehouse 7 are stored in the described intranet data table, outer grid database 8 comprises a plurality of outer net tables of data, the data of outer grid database 8 are stored in the described outer net tables of data, outer grid database interim image unit 9 comprises a plurality of outer net tables of data and a plurality of intermediate data table, and described intermediate data table is used for the data that storage needs the outer net tables of data of merging;
Outer grid database interim image unit 9 with the outer net data importing in the outer net tables of data wherein in described intermediate data table, described intermediate data table merges to the data that import in the described intranet data table, during merging described intermediate data table and intranet data table is carried out two rollback error handling processing based on affairs.
Wherein outer grid database 8 is that intranet data storehouse 7 is by the ferry-boat operation of intranet data base management system 5 outside grid database management systems 6, set up in the grid database management system 6 outside, be specially the file that copies a intranet data storehouse 7 and ferry in the outer net data base management system (DBMS) 6, the intranet data storehouse 7 of copying with this part is set up and is obtained outer grid database 8.
Outer grid database interim image unit 9 is that outer grid database 8 is by the ferry-boat operation of outer net data base management system (DBMS) 6 inside grid database management systems 5, in intranet data base management system 5, set up, be specially copy a outer grid database 8 ferry-boats foundation obtain in intranet data base management system 5 outside grid database interim image unit 9.
As shown in Figure 2, its concrete method that merges is:
All be labeled as the data in the intranet data storehouse original;
Copy a intranet data storehouse 7, ferry to outer net data base management system (DBMS) 6, intranet data storehouse 7 foundation that copy with this part obtain outer grid database 8;
When not needing to merge intranet data and outer net data, normally use with outer grid database in the intranet data storehouse; When needs merge intranet data and outer net data, stop the use of intranet data storehouse 7 and outer grid database 8;
Grid database interim image unit 9 outside copying a outer grid database 8 ferry-boats foundation obtaining in intranet data base management system 5;
The state that needs intranet data storehouse 7 and the data of outer grid database interim image unit 9 needs merging is carried out mark;
Flag state according to described data carries out union operation to it, and the process that is combined operation is carried out the two rollback error handling processing based on affairs, if merge failure, the data in the outer net volatile data base mirror image 9 in data and the intranet data storehouse 7 are all with the state that rolls back to simultaneously before merging;
If merge successfully, remove the status indication of the data after merging in the internal grid database 7, the normal operation that recovers intranet data storehouse 7 and outer grid database 8, and the outer grid database interim image of deletion unit 9;
Finish this merging.
Wherein, database design between intranet data storehouse 7, outer grid database 8 and outer grid database interim image unit 9 threes is in full accord, and all tables of data that need merge have all designed two fields on it: be respectively mFlag:varhar (50) and mDate:DateTime.Set up INSERT and two triggers of UPDATE at these tables, in the INSERT trigger new data mFlag that inserts is set to " newly-built ", mDate is set to the time at that time.In the UPDATE trigger former data mFlag is judged, if for " newly-built " then only upgrade the mDate time and be time at that time, otherwise, UPDATE operation to all fields except mFlag and two fields of mDate triggers response, mFlag is set to " correcting one's mistakes ", and mDate is set to the time at that time.MFlag and two field record of mDate its data present located state that identifies, be used for mark Intranet system and outer net system data state of living in: " increase ", " modification " and " original " etc., in order to handle respectively according to user-specified rule when merging, it is the basis that described tables of data data merge solution.It is contrast by intranet data storehouse 7 and outer grid database interim image unit 9 data modes that the tables of data data merge concrete scheme, judge that current data records state of living in, the specified data union operations such as (original) that need insert, revises, deletes or remain unchanged makes that the data of intermediate data table merge to 7 intranet data tables in the intranet data storehouse in the outer grid database interim image unit 9.
The user can specify the union operation rule of oneself: as with date precedence be quasi merger, with the modification state be quasi merger, in addition netting index according to be quasi merger, be quasi merger with the intranet data, concrete union operation can customize in described tables of data data merging solution, satisfied the different needs of different user to the data union operation, the present invention does not do restriction to the union operation of data, and present embodiment only with above-mentioned several examples as an illustration.
When having foreign key constraint to concern, the order that tables of data merges is that the major key table merges earlier, the principle that the external key reference table remerges is determined, is the operation of carrying out in order to solve the conflict of relevant database foreign key constraint, is the necessary condition that described tables of data data merge solution.
Described two rollback error handling processing based on affairs, be to merge affairs by in intranet data storehouse 7, setting up data, in case affairs are carried out failure, the data in the outer grid database interim image unit 9 in data and the intranet data storehouse 7 are all with the state that rolls back to simultaneously before merging.Guaranteed the data union operation or merged successfully, merge failure and rollback database to merging preceding state, can stop database and be in a part of the merging successfully, a part does not merge successful centre runaway condition and takes place, being to guarantee that data merge the method that is in slave mode and designs, is the safeguard measure that described tables of data data merge the solution reliability.
Accompanying drawing 3 provides the merging flow process of each tables of data that need merge in detail, be that data in the outer grid database interim image unit 9 merge to the detailed process in the intranet data storehouse 7, the working rule of its merging be data when not conflicting the data in the outer grid database 8 directly merge and enter intranet data storehouse 7, the grid database operation is as the criterion and carries out the data merging beyond during conflict, accompanying drawing 3 of the present invention merges the merging rule of flow process, and the user can customize as required.
The object of the present invention is to provide a kind of round-the-clock physically-isolated intranet and extranet parallel running system database merging method.This method not only can realize the correct merging of correlation table relation value and data, can also prevent effectively that the data of data merging process are out of control, for round-the-clock physically-isolated Intranet system and the parallel running of outer net system provide assurance.
More than the disclosed preferred embodiment of the present invention just be used for helping to set forth the present invention.Preferred embodiment does not have all details of detailed descriptionthe, does not limit this invention yet and only is described embodiment.Obviously, according to the content of this instructions, can make many modifications and variations.These embodiment are chosen and specifically described to this instructions, is in order to explain principle of the present invention and practical application better, thereby the technical field technician can understand and utilize the present invention well under making.The present invention only is subjected to the restriction of claims and four corner and equivalent.
Claims (11)
1. one kind is used for the intranet and extranet parallel running system that database merges, it comprises intranet data base management system, outer net data base management system (DBMS) and round-the-clock physical isolation system, described intranet data base management system, outer net data base management system (DBMS) are isolated mutually by described round-the-clock physical isolation system, and described intranet data base management system, outer net data base management system (DBMS) are carried out exchanges data by ferry-boat equipment;
It is characterized in that, described intranet data base management system comprises intranet data storehouse and outer grid database interim image unit, described outer net data base management system (DBMS) comprises outer grid database, and described outer grid database interim image stores the data identical with described outer grid database in the unit;
Described intranet data storehouse comprises a plurality of intranet data tables, data in the described intranet data storehouse are stored in the described intranet data table, described outer grid database comprises a plurality of outer net tables of data, described outer net data of database is stored in the described outer net tables of data, described outer grid database interim image unit comprises a plurality of outer net tables of data and a plurality of intermediate data table, and described intermediate data table is used for the data that storage needs the outer net tables of data of merging;
Described outer grid database interim image unit with the outer net data importing in the outer net tables of data wherein in described intermediate data table, described intermediate data table merges to the data that import in the described intranet data table, during merging described intermediate data table and intranet data table is carried out two rollback error handling processing based on affairs.
2. the intranet and extranet parallel running system for the database merging as claimed in claim 1 is characterized in that, the data of storage have unified data mode sign in described intranet data table, outer net tables of data and the intermediate data table.
3. the intranet and extranet parallel running system for the database merging as claimed in claim 2 is characterized in that, described unified data mode sign comprises increase, modification and original.
4. the intranet and extranet parallel running system for the database merging as claimed in claim 1 is characterized in that described intermediate data table has been cancelled data and obligated relation.
5. the intranet and extranet parallel running system for the database merging as claimed in claim 1 is characterized in that, the major key table merges earlier in the described tables of data merging process, merges behind the external key reference table.
6. the intranet and extranet parallel running system database merging method that merges of a database is characterized in that:
A intranet data storehouse is copied to the outer grid database of foundation in the outer net data base management system (DBMS) by the ferry-boat mode, in the intranet data base management system by the ferry-boat mode copy a outer grid database form outside grid database interim image unit, described outer grid database, intranet data storehouse are carried out data by outer net tables of data, intranet data table respectively and are stored;
During intranet and extranet system parallel running, the data state of living in that needs in intranet data table, outer net tables of data and the intermediate data table to merge is carried out mark;
Set up the intermediate data table in the grid database interim image unit outside described, the data importing that outer grid database interim image unit China and foreign countries net tables of data need be merged is in described intermediate data table;
Flag state according to described data carries out union operation to it, and the process that is combined operation is carried out the two rollback error handling processing based on affairs;
Merge successfully back releasing to mark and the outer grid database interim image of the deletion unit of the data of described needs merging.
7. the intranet and extranet parallel running system database merging method of database merging as claimed in claim 6 is characterized in that, has cancelled in the described intermediate data table data are obligated relation.
8. the intranet and extranet parallel running system database merging method that merges of database as claimed in claim 6 is characterized in that, the described method that the data state of living in that needs in intranet data table, outer net tables of data and the intermediate data table to merge is carried out mark is:
To two fields of design on the data place tables of data of needs merging, and safeguard that by two triggers described two fields are to realize the mark to data respectively.
9. the intranet and extranet parallel running system database merging method of database merging as claimed in claim 6 is characterized in that, the major key table merges after merging the external key reference table earlier in the described tables of data merging process.
10. the intranet and extranet parallel running system database merging method that merges of database as claimed in claim 6 is characterized in that, according to the flag state of described data to its process that merges is:
Contrast the state of tables of data in described intranet data storehouse and the outer net volatile data base mirror image unit, state of living in according to data recording in the current intermediate data table, determine the union operation that this data need, the data in the intermediate data table of outer net volatile data base mirror image are merged to intranet data table in the intranet data storehouse.
11. the intranet and extranet parallel running system database merging method that database as claimed in claim 10 merges is characterized in that, described union operation comprises insertion, revises and deletion.
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| WO2015117429A1 (en) * | 2014-07-16 | 2015-08-13 | 中兴通讯股份有限公司 | Method and device for merging database contents |
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| CN103853843A (en) * | 2014-03-20 | 2014-06-11 | 浪潮集团山东通用软件有限公司 | Method for realizing data concentration across security domains based on main data mapping |
| CN103853843B (en) * | 2014-03-20 | 2018-09-21 | 浪潮通用软件有限公司 | A method of based on across the security domain data concentration of master data Mapping implementation |
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| CN105787011A (en) * | 2016-02-23 | 2016-07-20 | 网易（杭州）网络有限公司 | Ranking updating method and device |
| CN108572996B (en) * | 2017-03-14 | 2021-02-26 | 北京京东尚科信息技术有限公司 | Synchronization method and device of database table structure, electronic equipment and storage medium |
| CN108572996A (en) * | 2017-03-14 | 2018-09-25 | 北京京东尚科信息技术有限公司 | Synchronous method, device, electronic equipment and the storage medium of database table structure |
| CN107547251A (en) * | 2017-06-28 | 2018-01-05 | 新华三技术有限公司 | A kind of device management method, apparatus and system |
| CN107784097A (en) * | 2017-10-23 | 2018-03-09 | 浪潮软件股份有限公司 | A kind of database table data transmission method, system and client, service end |
| CN108900568A (en) * | 2018-05-25 | 2018-11-27 | 山东中创软件商用中间件股份有限公司 | A kind of method, system and the server of table transmission |
| CN108900568B (en) * | 2018-05-25 | 2020-09-18 | 山东中创软件商用中间件股份有限公司 | Form transmission method, system and server |
| CN109324870A (en) * | 2018-09-20 | 2019-02-12 | 郑州云海信息技术有限公司 | A kind of method and apparatus for deleting the snapshot disk of virtual machine |
| CN110413690A (en) * | 2019-07-03 | 2019-11-05 | 杭州数梦工场科技有限公司 | Method of data synchronization, server, electronic equipment, the storage medium of database |
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Application publication date: 20130918 |