这意味着我们必须在表发生变化时从x2中进行选择。（由于delete语句可以影响多行，因此AFTER ROW不一定表...
Second, create a new trigger associated with thecustomerstable: CREATEOR REPLACETRIGGERcustomers_audit_trgAFTERUPDATEORDELETEONcustomersFOREACHROWDECLAREl_transaction VARCHAR2(10);BEGIN-- determine the transaction typel_transaction :=CASEWHENUPDATINGTHEN'UPDATE'WHENDELETINGTHEN'DELETE'END;-- insert a row...
insert into t3 values(2,'mike');insert into t3 values(3,'brain');insert into t3 values(4,'cade');commit; SQL>update t3 set name='nelson' where id=4;SQL>commit;SQL>delete t3 where id=2;SQL>commit;SQL>update t3 set id=id+100;SQL>commit;看看t3表经历的时间变化SQL> select versions...
Since there’sonly a limited number of entries in a transaction table and a limited number ofundo segments in an undo tablespace, you can only record details about arelatively small number of recent transactions, and you will have to keepreusing the transaction table entries. Reusing the entries...
The advanced alert enables you to create a condition that can trigger the alert. In this release, you can incorporate more SQL functionality in the advanced alert condition that provides the ability to compare a list of valid values to incoming audit data content. For example, you can compare...
By default, the Migration Workbench uses the temporary tables feature of Oracle9i. When the parser encounters SQL statements such asCREATE #TABLEin a stored procedure, the parser explicitly creates a temporary table. When the parser encounters SQL statements such asINSERT INTO #TABLEin a trigger or...
CREATE TABLE CREATE PUBLIC SYNONYM DROP PUBLIC SYNONYM CREATE VIEW CREATE SEQUENCE CREATE PROCEDURE CREATE TRIGGER You Encounter Permissions Issues for the Replication User Schema The replication user schema must have the permissions described in "Creating the User Schema Manually" inConfigure an Oracle ...
Web Table Xero XML format Zendesk Zoho Move data Transform data Control flow Data flow transformations Parameterize Security Settings Monitor and manage Create integration runtime Run SSIS packages in Azure Create triggers Data Catalog and Governance Scenarios Templates Understanding pricing Troubleshooting gu...
1.关掉tableb 的所有触发器,这个一定要关掉,moving data的时候一定要全部关掉,不然批量操作的时候卡死你Y的。 alter system tableb disable all triggers; 执行完毕之后,启动触发器 alter system tableb enable all triggers; 2,除了主键索引之外,tableb表剩余的索引全部删除掉。等执行完毕之后,重建索引(索引重建...
-- pipelined table function 立即返回row 记录,而不同等待这个collection,从而减少constructed的时间,并且占用较少的内存。 Caution: A pipelined table function always references the currentstate of the data. If the data in the collection changes after thecursor opens for the collection, then the cursor ...