IBM Books

Database

A relational database presents data as a collection of tables (each table consisting of data logically arranged in columns and rows).

In addition to data, each database includes a set of system catalog tables, which describe the logical and physical structure of the data; a configuration file, which contains the parameter values associated with the database; and a recovery log, which logs ongoing transactions and transactions that can be archived.

In DB2, a unique database name must be specified when a database is created.

Graphic denoting partitioned database environments appears here. In a partitioned database environment, the database is made up of different database partitions.

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