Oracle 视图 DBA_ZONEMAPS 官方解释,作用,如何使用详细说明
本站中文解释
Oracle 视图 DBA_ZONEMAPS 是一个信息视图,用于查看分区中使用的时区。
使用方法:
1. 查看所有时区的映射:
SELECT * FROM DBA_ZONEMAPS ORDER BY USED_IN;
2. 查询不同时区之间的偏移量:
SELECT DB_TZ_OFFSET, CLIENT_TZ_OFFSET, DBTIMEZONE,
TZNAME FROM DBA_ZONEMAPS WHERE DB_TZ_OFFSET != CLIENT_TZ_OFFSET;
官方英文解释
DBA_ZONEMAPS
describes all the zone maps in the database. Its columns are the same as those in ALL_ZONEMAPS
.
Note:
This view is intended for use with Oracle Exadata release 12.1.2.1.1 or later.
See Also:
-
“ALL_ZONEMAPS”
-
Oracle Database Data
Warehousing Guide for more information about zone maps