SQL>create table timezone_test(t0 timestamp,t1 timestamp with time zone,t2 timestamp with local time zone); Table created. SQL>insert into timezone_test select current_timestamp,current_timestamp,current_timestamp from dual; 1 row created. SQL>select * from timezone_test; T0 T1 T2 ---...
ionalsecondsandtimezoneofthesystemonwhichthedatabaser esides.?Note:?SYSDATE和SYSTIMESTAMP的返回信息是数据库所在操作系统的信息,和当前session的时 区无关!例:数据库时区为+08:00,当前session时区为-05:00时:SQL>selectdbtimezonefro mdual;DBTIME---+08:00SQL>selectsessiontimezonefromdual;SE SSION...
Return Type Remarks Uri 2 aktar Applies to: SQL Server 2022 (16.x) Azure SQL Database Azure SQL Managed Instance This function returns the name of the time zone observed by a server or an instance. For SQL Managed Instance, return value is based on the time zone of the instance itself...
The truncation does NOT reproduce when performing an insert to the target table from SQL*Plus with the trigger in place, when performing without a BEFORE INSERT trigger in place, when inserting SYSTIMESTAMP directly into the table from SQL*Plus, when the target column is a TIMESTAMP rather th...
请教:oracle ..dbtimezone 的官方解释如下:DBTIMEZONE returns the value of the database time zone. The return type is a time
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N_DATA_SCALE NUMBER; V_SQL_EXE_TEMP VARCHAR2(1000); BEGIN BEGIN SELECT T.DATA_SCALE INTO N_DATA_SCALE FROM DBA_TAB_COLUMNS T WHERE T.OWNER=V_OWNER AND T.TABLE_NAME=V_TABLE_NAME AND T.COLUMN_NAME=V_COL_NAME; SELECT 'TO_TIMESTAMP(TO_CHAR('||'TO_TIMESTAMP('||'SUBSTR('||V_...
column_name, t.data_type FROM dba_tab_cols t INNER JOIN dba_objects o ON o.owner = t.owner AND t.table_name = o.object_name WHERE t.data_type LIKE '%WITH LOCAL TIME ZONE' AND o.object_type = 'TABLE' AND o.owner = 'OT'; Code language: SQL (Structured Query Language) (sql...
The main thing is: the timezone database in its current form seems to be not maintainable: it feels like it is generated data, but also contains hand-written parts, and it has no automatic way to get updated from a canonical source. I think this part of the code should live in a se...
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