Patent US10225078

Managing a database management system using a blockchain database
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US10225078

1. A computer-implemented method for managing a database management system (DBMS), the method comprising: (13) (7)

structuring, with respect to the DBMS, a central database to include a set of central data;

constructing, with respect to the DBMS, a blockchain database which is linked with the central database;

establishing, in the blockchain database corresponding to the set of central data of the central database, a set of blockchain data;

receiving, with respect to the DBMS, an access request;

maintaining, in response to receiving the access request, both the central database and the blockchain databases;

determining a mismatch of a first central entry of the central database and a first blockchain entry of the blockchain database, wherein the mismatch is based on a magnitude of discrepancy with respect to a threshold similarity factor; and

recording, in a blockchain permanent log, the mismatch of the first central entry of the central database and the first blockchain entry of the blockchain database.

2. The method of claim 1, further comprising: (0) (1)

3. The method of claim 1, further comprising: (0) (1)

4. The method of claim 1, further comprising: (3) (2)

detecting an inconsistency of the central database and the blockchain database; and

storing the inconsistency in a permanent log.

5. The method of claim 4, further comprising: (0) (1)

6. The method of claim 4, further comprising: (0) (1)

14. The method of claim 4, further comprising: (1) (1)

7. The method of claim 1, further comprising: (0) (1)

8. The method of claim 1, further comprising: (0) (1)

9. The method of claim 1, further comprising: (0) (4)

configuring the central database for accessibility by a set of administrator users;

configuring the central database for inaccessibility by a set of non-administrator users;

configuring the blockchain database for inaccessibility by the set of administrator users; and

configuring the blockchain database for accessibility via a smart contract.

10. The method of claim 1, further comprising: (0) (1)

11. The method of claim 1, further comprising: (0) (1)

12. The method of claim 1, further comprising: (0) (1)

13. The method of claim 1, further comprising: (0) (1)

16. The method of claim 1, further comprising: (0) (1)

17. The method of claim 1, further comprising: (0) (1)

18. The method of claim 1, further comprising: (0) (9)

configuring the central database for accessibility by a set of administrator users;

configuring the central database for inaccessibility by a set of non-administrator users;

configuring the blockchain database for inaccessibility by the set of administrator users;

configuring the blockchain database for accessibility by the set of non-administrator users;

mapping a first central entry of the central database to a first blockchain entry of the blockchain database to establish the set of blockchain data;

receiving, in association with the access request, a valid user authorization to carry-out the access request with respect to the blockchain database;

comparing, to detect an inconsistency of the central database and the blockchain database, the set of central data of the central database with the set of blockchain data of the blockchain database;

determining the mismatch of the first central entry of the central database and the first blockchain entry of the blockchain database; and

recording, in the blockchain permanent log to store the inconsistency, the mismatch of the first central entry of the central database and the first blockchain entry of the blockchain database.

19. A system for managing a database management system (DBMS), the system comprising: (0) (9)

a memory having a set of computer readable computer instructions, and

a processor for executing the set of computer readable instructions, the set of computer readable instructions including:

structuring, with respect to the DBMS, a central database to include a set of central data;

constructing, with respect to the DBMS, a blockchain database which is linked with the central database;

establishing, in the blockchain database corresponding to the set of central data of the central database, a set of blockchain data;

receiving, with respect to the DBMS, an access request;

maintaining, in response to receiving the access request, both the central database and the blockchain databases;

determining, a mismatch of a first central entry of the central database and a first blockchain entry of the blockchain database, wherein the mismatch is based on a magnitude of discrepancy with respect to a threshold similarity factor; and

recording, in a blockchain permanent log, the mismatch of the first central entry of the central database and the first blockchain entry of the blockchain database.

20. A computer program product for managing a database management system (DBMS), the computer program product comprising a computer readable storage medium having program instructions embodied therewith, wherein the computer readable storage medium is not a transitory signal per se, the program instructions executable by a processor to cause the processor to perform a method comprising: (0) (7)

structuring, with respect to the DBMS, a central database to include a set of central data;

constructing, with respect to the DBMS, a blockchain database which is linked with the central database;

establishing, in the blockchain database corresponding to the set of central data of the central database, a set of blockchain data;

receiving, with respect to the DBMS, an access request;

maintaining, in response to receiving the access request, both the central database and the blockchain databases;

recording, in a blockchain permanent log, the mismatch of the first central entry of the central database and the first blockchain entry of the blockchain database.

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Patent US10225078

Managing a database management system using a blockchain database

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