将该文件的新位置告知 Oracle。 例如:ALTER DATABASE RENAME FILE ‘/oldlocation/myfile.dbf’ TO ‘/newlocation/myfile.dbf’; (请注意,您不能对临时文件进行重命名,而应删除临时文件并在新位置重新创建) 重要信息: 如果存在多个错误(不是由于 NOLOGGING操作导致的)或 受影响文件所在的 OS 层面出现错误或 ...
Posted by Richard Foote in 19c, 19c New Features, Automatic Indexing, Drop Index, Index Rebuild, Oracle Indexes. 4 comments Julian Dontcheff recently wrote a nice article on the new Automatic Index Optimization feature available in the upcoming Oracle Database 20c release (I’ll of course...
在Oracle Database 18c APEX 5.1.3上安装SkillBuilders-Oracle Database Manager轻量级管理工具 Oracle组件 1、检查当前Oracle数据库是否安装APEX、XDB组件,如果已安装则跳到第5步: select comp_id,comp_name,version,status from dba_registry where Comp_id='APEX'; select comp_id,comp_name,version,status ...
CREATE SCHEMA: This keyword initiates the creation of a schema. In Oracle SQL, a schema is a logical container for database objects such as tables, views, indexes, etc. It does not necessarily correspond to a user account; rather, it's a namespace that contains database objects. AUTHORIZAT...
TEMP /home/oracle/app/oracle/oradata/cdb1/orcl/orcl_temp01201 4-07-30_04-39-23-PM.dbf Create another Temporary Tablespace TEMP1 CREATE TEMPORARY TABLESPACE TEMP1 TEMPFILE ‘/u01/app/oradata/DBACLASS/temp01′ SIZE 2G; Move Default Database temp tablespace ...
1、oracle用户登录备库 2、使用rman以target模式连接数据 rman target / 3、执行以下命令,其中PRM180用备库tnsnames.ora中配置的主库名称代替 RECOVER STANDBY DATABASE FROM SERVICE PRM180 4、等待第3步完成后,rman下执行recover命令 recover 5、重新打开备库 ...
Oracle 数据库中的 DROP TABLE 语句及 PURGE 选项详解 解释什么是 Oracle 数据库中的 DROP TABLE 语句: DROP TABLE 语句在 Oracle 数据库中用于删除一个已存在的表及其所有数据、索引、触发器、约束等依赖对象。当执行此语句时,表及其相关对象将从数据库中永久移除,除非有相应的回收站(Recycle Bin)机制保留其元...
模拟19c数据库pdb undo异常恢复 模拟19c数据库root pdb undo异常恢复 模拟oracle 19c cdb模式下root pdb中undo丢失故障恢复 会话1,pdb中插入大量数据,未提交 SQL> alter session set container=pdb; Session altered. SQL> alter database open; Database altered. SQL> create user xff identified by oracle ...
CREATE OR REPLACE PROCEDURE DROPEXITSTABS (TAB_NAME_IN IN varchar2) IS v_cnt Number; begin select count(*) into v_cnt from user_tables where table_name = upper(TAB_NAME_IN); if v_cnt>0 then execute immediate 'drop table ' || TAB_NAME_IN ||' purge'; end If; end DROPEXITSTABS...
Oracle Database - Enterprise Edition - Version 12.1.0.1 and later: DROP INDEX COMMAND EXECUTED FROM WITHIN A FUNCTION RETURNS ORA-01418 - INDEX IS DROPPED BUT RETURN