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Oracle® Database SQL Reference
10g Release 1 (10.1)

Part Number B10759-01
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Nonstandard SQL

Oracle provides extensions to the standard SQL database language with integrity enhancement. The Federal Information Processing Standard for SQL (FIPS 127-2) requires vendors to supply a method for identifying SQL statements that use such extensions. You can identify or flag Oracle extensions in interactive SQL, the Oracle precompilers, or SQL*Module by using the FIPS flagger.

If you are concerned with the portability of your applications to other implementations of SQL, then use the FIPS flagger.

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