January 2019
Beginner
556 pages
14h 19m
English
Content preview from Learning PostgreSQL 11 - Third Edition
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Iterations
An iteration is used to repeat a block of statements in order to achieve a certain goal. With iteration, you often need to specify the starting point and the ending condition. In PostgreSQL, there are several statements for iterating through the results and for performing looping, including LOOP, CONTINUE, EXIT, FOR, WHILE, and FOR EACH.
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