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Oracle® Database SQL Language Reference
11g Release 2 (11.2)

Part Number E17118-03
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Description of ora_dst_error.gif follows
Description of the illustration ora_dst_error.gif


ORA_DST_ERROR is useful when you are changing the time zone data file for your database. The function takes as an argument a datetime expression that resolves to a TIMESTAMP WITH TIME ZONE value or a VARRAY object that contains TIMESTAMP WITH TIME ZONE values, and indicates whether the datetime value will result in an error with the new time zone data. The return values are:

This function can be issued only when changing the time zone data file of the database and upgrading the timestamp with the time zone data, and only between the execution of the DBMS_DST.BEGIN_PREPARE and the DBMS_DST.END_PREPARE procedures or between the execution of the DBMS_DST.BEGIN_UPGRADE and the DBMS_DST.END_UPGRADE procedures.

See Also:

Oracle Database Globalization Support Guide for more information on time zone datafiles and on how Oracle Database handles daylight saving time, and Oracle Database PL/SQL Packages and Types Reference for information on the DBMS_DST package