Another example to restrict the logon periods for a users so that they can only access the database betrween the periods to 17:00 - 24:00 daily. If the user attempts to logon during a period outside of this range his logon attempt will fail: SQL> CREATE OR REPLACE TRIGGER ScottLogin...
Displays information about logon triggers. A trigger is code that executes whenever a specific event occurs, such as inserting data in a table or connecting to the database. Disabled triggers are a potential cause for concern because whatever protection or monitoring they may be expected to prov...
首先建立两张表,分别为test1与test2,期望在更改test1的时候,test2的相关记录能够同时做出更改.假定test1与test2的表结构相同,如下表所示 name age 触发器实现级联插入: create trigger test3 on test1 after insert as insert into test2 select name,age from inserted 触发器实现级联更新: create trigger test4 on...
during trigger execution, 19-24 raising, 15-19 stored procedures and, 15-19 EXCHANGE PARTITION, 11-11 exclusive locks row locks (TX), 24-21 RX locks, 24-24 table locks (TM), 24-22 exclusive mode, 4-28 EXECUTE privilege verifying user access, 17-19 execution plans ex...
Event 10065 - Restrict Library Cache Dump Output for State Object DumpsThe amount of library cache dump output for state object dumps can be limited using event 10065For example:ALTER SESSION SET EVENTS '10065 trace name context forever, levelnumber';wherenumberis one of the following ...
10234 trigger event after calling kcrapc to do redo N times 10235 check memory manager internal structures 用于内存堆检查 alter session set events '10235 trace name context forever, level 1'; 10236 dump redo on object no. or block type mismatch errors 1410/8103 ...
In addition to the DAC controls enforced by the Oracle Database 11g server, application-specific access controls can be implemented using views and triggers to mediate a user's access to application data. The DAC mechanism controls access to database objects based on the privileges enabled in ...
It shows the error: "ORA-04082: NEW or OLD references not allowed in table level triggers." Continue Reading Answer 22 Mar 2007 Add a column in a specific position in a table I have created one table with three columns. I want to drop one column and add the column back to the ...
TRUE时设置)的数据块dump到跟踪文件 10233 skip corrupted blocks on index operations 10234 trigger event after calling kcrapc to do redo N times 10235 check memory manager internal structures 用于内存堆检查 alter session set events 10235 trace name context forever, level 1; 10236 dump redo on ...
Defines the base URI to use. This is useful to change the prefix of the file to access when writing generic XQuery expressions. SET XQUERY ORDERING {UNORDERED | ORDERED | DEFAULT} Controls the ordering of results from an XQuery. SET XQUERY NODE {BYVALUE | BYREFERENCE | DEFAULT} ...