Database system, method of managing database, database,structure, and computer program
AssigneeNEC Corporation
InventorsTakehiko Kashiwagi, Junpei Kamimura
Life of this patent
Estimating the term…
Abstract
Disclosed is a database system capable of effectively updating data in a database at a high speed. The database system includes: a storage unit that stores a database including an entity data group and at least one identifier table having only a plurality of fixed-length data; and a data processing unit that receives a query and performs data processing on the database on the basis of the received query. The identifier table has a plurality of data identifiers that uniquely indicates the plurality of entity data as the fixed-length data.
Claims24
A database system comprising:
- a storage unit that stores a database including an entity data group containing a plurality of entity data and at least one identifier table having only a plurality of fixed-length data;
- and
- a data processing unit that receives a query and performs data processing on the database on the basis of the received query,
- wherein the identifier table has, as the fixed-length data, a plurality of data identifiers that uniquely indicate the plurality of entity data.
A method of managing a database, comprising:
- receiving a query for a database including an entity data group containing a plurality of entity data and at least one identifier table having only a plurality of fixed-length data;
- and
- performing data processing on the database on the basis of the received query,
- wherein the identifier table has, as the fixed-length data, a plurality of data identifiers that uniquely indicate the plurality of entity data.
22-48. (canceled)
A non-transitory computer-readable storage medium storing a program for causing a computer to execute a database management process, the database management process comprising:
- receiving a query for a database including an entity data group containing a plurality of entity data and at least one identifier table having only a plurality of fixed-length data;
- and
- performing data processing on the database on the basis of the received query, wherein
- the identifier table has, as the fixed-length data, a plurality of data identifiers that uniquely indicates the plurality of entity data.
50-63. (canceled)
Dependencies are inferred from the claim text.