Keywords
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The table in this chapter lists keywords, words reserved from use in SQL programs and isql
(Interactive SQL). The list includes DSQL, isql
, and gpre
keywords.
Keywords are defined for special purposes, and are sometimes called reserved words. A keyword cannot occur in a user-declared identifier or as the name of a table, column, index, trigger, or constraint, unless it is enclosed in double quotes. Keywords are:
- Part of statements
- Used as statements
- Names of standard data structures or data types