Ensuring the integrity of the organization’s databases is a key component of the DBA’s job. A database is of little use if the data it contains is inaccurate or if it cannot be accessed due to ...
There are two important, yet different aspects of integrity with respect to databases: database structure integrity and semantic data integrity. Ensuring that each database object is created, ...
A relational DBMS organizes and accesses data according to relationships among data items. The relationships among data items are expressed by tables consisting of columns and rows. The order of the ...
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