September 2004
Beginner to intermediate
388 pages
6h 34m
English
Content preview from PROC SQL: Beyond the Basics Using SAS®
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5.6. Deleting Tables
The SQL standard permits one or more unwanted tables to be removed (or deleted) from a database (SAS library). During large program processes, temporary tables in the WORK library are frequently created. The creation and build-up of these tables can negatively affect memory and storage performance areas, causing potential problems due to insufficient resources. It is important from a database management perspective to be able to delete any unwanted tables to avoid these types of resource problems. Here are a few guidelines to keep in mind.
Before a table can be deleted, complete ownership of the table (that is, exclusive access to the table) should be verified. Although some SQL implementations require a table to be empty ...
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