EXECUTE IMMEDIATE 'alter session set statistics_level=ALL'; EXECUTE IMMEDIATE 'alter session set max_dump_file_size=UNLIMITED'; EXECUTE IMMEDIATE 'alter session set tracefile_identifier='''||user||'_10046'''; EXECUTE IMMEDIATE 'alter session set events ''10046 trace name context forever, level...
就我所知,存在2种方法,这里抛砖引玉一下: 1. 通过 AFTER LOGON ON Trigger登录后触发器实现部分用户或程序登录即触发session级别的参数被设置,如: CREATE OR REPLACE TRIGGER AUTO_SESSION_PARAMETER AFTER LOGON ON MACLEAN.SCHEMA BEGIN execute immediate 'alter session set optimizer_mode=RULE'; END; / Tr...
<1>如果你的logon trigger不是建在sys用户下,v_$session的查询权限需要授权给给建trigger的用户。我选择在system用户下建:SQL>connect / as sysdba; SQL>grant select on v_$session to system;<2>logon trigger体CREATE OR REPLACE TRIGGER QIUYB$LOGON AFTER LOGON ON DATABASE DECLARE V_PROGRAM VARCHAR...
创建触发器on_logon_trigger,当有用户登录时,将记录插入session历史记录表: 代码语言:javascript 复制 CREATEor replace trigger on_logon_trigger after logonONdatabase beginINSERTINTOsession_historySELECTsid,username,program,machine,sys_context('userenv','ip_address'),sysdateFROMv$sessionWHEREaudsid=userenv('...
--创建触发器,当有用户登录时,将记录插入session历史记录表 CREATE or replace trigger on_logon_trigger after logon ON database begin INSERT INTO session_history SELECT sid ,username ,program ,machine ,sys_context('userenv','ip_address')
oracle logon trigger一般用来审计用户登录信息或者限制用户登录,虽说不常用,但仍不失为一种好办法。 1. 不能审计dba用户登录 2. 什么时候适合使用 It is advised you use this trigger only when (1) not using archive logging on the database or ...
after update on e begin if updating then dbms_output.put_line('table after'); end if; end; / update e set sal=sal+1 where empno=7369; --验证触发器的状态 select trigger_name,status fromuser_triggers; --禁用某个触发器 ALTER TRIGGER e_update3disable; ...
Oracle APEX是一款基于Oracle数据库的低代码开发平台,用于快速构建企业级Web应用程序。在使用Oracle APEX开发应用程序时,页面加载速度是一个重要的性能指标。而alter session语句可能会对页面加载速度产生影响。 alter session语句用于更改当前会话的特定参数设置,例如日期格式、时区等。在某些情况下,使用alter session...
Trigger an application-consistent backup of the VMPortal Azure CLI In the Azure portal, go to your rg-oracle resource group and select your vmoracle19c virtual machine. On the Backup pane: Under Recovery Services vault, select Create new. For the name of the vault, ...
D. The data manipulation language (DML)triggers on the BOOKING table are executed because the shrink operation isinternally handled by the INSERT/DELETE operationAnswer: C12:检查下列命令:SQL> ALTER TABLE booking SHRINK SPACECOMPACT;当前面的命令执行时,会执行哪些活动?A.shrink 操作访问 BOOKING表中...