查看日志操作模式,改变数据库的归档模式为archivelog Select log_mode From v$database; shutdown immediate startup mount A. lter database archivelog; B. lter database open; C. 相关知识点: 试题来源: 解析 A.lter database archivelog; 反馈 收藏 ...
Select Created, Log_Mode, Log_Mode From V$Database; 捕捉运行很久的SQL column username format a12 column opname format a16 column progress format a8 select username,sid,opname, round(sofar*100 / totalwork,0) || '%' as progress, time_remaining,sql_text from v$session_longops , v$sql where ...
SQL>select open_mode,database_role,db_unique_name,flashback_on from v$database; OPEN_MODE DATABASE_ROLE DB_UNIQUE_NAME FLASHBACK_ON --- --- --- --- READ WRITE PRIMARY dg1 NO SQL>select open_mode,database_role,db_unique_name,flashback_on from v$database; OPEN_MODE DATABASE_ROLE ...
增量备份 包含从最近一次备份以来被修改或添加的数据块.可以分为差异增量备份和累计增量备份 差异增量备份仅仅包含n级或n级以下被修改过的数据块。...alter database disable block change tracking; --disable后块变化跟踪文件被自动删除 SQL> select * ...
Oracle Database returns a set of columns in the order in which the columns were specified when the object was created. A query that selects rows from two or more tables, views, or materialized views is a join. You can use the schema qualifier to select from a table, view, or ...
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Production With the Partitioning and Data Mining options fdh@LOKI> drop table test; Table dropped. fdh@LOKI> set timing on fdh@LOKI> set time on 10:48:02 fdh@LOKI> create table test(veld1 char(2000)); ...
(pdb)中alter sessionsetcontainer=ORCLPDB;#查看CDBselectname,cdbfromv$database;NAMECDB---ORCLYES#关闭一个可插拔数据库ALTERPLUGGABLEDATABASEORCLPDBCLOSE[IMMEDIATE];#打开一个可插拔数据库ALTERPLUGGABLEDATABASEORCLPDBOPEN[READ/WRITE/READONLY/UPGRADE];#查看当前用户show user;#创建用户create user[username]...
SQL>select username, sid, serial#, paddr from v$session where username='qiuyb'; USERNAME SID SERIAL# PADDR --- HRB3 265 910 C000000084435AD8 SQL>SELECT ADDR,PID,SPID FROM V$PROCESS WHERE ADDR= C000000084435AD8'; ADDR PID SPID --- C000000084435AD8 91 4835 b. 设置事件,以10046为例 sql...