01-基本的查询语句 A:一些命令 sqlplus sys/sys@192.168.22.220:1521/orcl as sysdba; conn scott/123456@192.168.22.210:1521/orcl; 从当前用户转换成scott用户 show user; 显示当前用户名 show linesize; 显示的行宽 set linesize 150; 设置行宽 col ename for a8; col sal for 9999;设置列ename为字符长度为8个长度;设置列…
501.Note the output of the following query;SQL> SELECT flashback_archieve_name, status FROM dba_flashback_archieve;FLASHBACK_ARCHIEVE_NAME STATUSFLA1You executed the following command to enable Flashback Data Archive on the EXCHANGB_PATE table:ALTER…
实验一: 修改db_domain和service_name 我们将Db_name和Db_domain两个参数用'.'连接起来,表示一个数据库,并将该数据库的名称称为Global_name即等于service_name,即它扩展了Db_name. SYS@VDEDU > show parameter db_domain--查看db_domain NAME TYPE VALUE ------------------------------------ ----------- ------…
场景描述: [oracle@oracle01 admin]$ srvctl stop database -d oradb1 PRCD- : The resource for database ORADB1 could not be found. PRCR- : Resource ora.oradb1.db does not exist [oracle@oracle01 admin]$ srvctl stop database -d ORADB1 PRCD- : Failed to retriev…