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Oracle in a Nutshell
book

Oracle in a Nutshell

by Rick Greenwald, David C. Kreines
December 2002
Intermediate to advanced
928 pages
85h 29m
English
O'Reilly Media, Inc.
Content preview from Oracle in a Nutshell

Name

PLSQL_V2_COMPATIBILITY

Synopsis

Value: TRUE | FALSE

Default: FALSE

Dynamic: ALTER SYSTEM, ALTER SESSION

Sets the compatibility level for PL/SQL. If FALSE, PL/SQL Version 8 behavior is enforced and Version 2 behavior is not allowed. If TRUE, then the following PL/SQL Version 2 behaviors are accepted when running PL/SQL Version 8:

  • Allows elements of an index table passed in as an IN parameter to be modified or deleted.

  • Allows OUT parameters to be used in expression contexts in some cases. This behavior is restricted to a few cases: fields of OUT parameters that are records and OUT parameters referenced in the from list of a SELECT statement.

  • Allows OUT parameters in the FROM clause of a select list, where their values are read.

  • Allows the passing of an IN parameter into another procedure as an OUT parameter restricted to fields of IN parameters that are records.

  • Allows a type to be referenced earlier than its definition in the source.

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Publisher Resources

ISBN: 0596003366Errata Page