CREATE TABLESPACE "apps"
DATAFILE '/db/oradata/apps01.dbf' SIZE 1000M,
'/db/oradata/apps02.dbf' SIZE 1000M
EXTENT MANAGEMENT LOCAL SEGMENT SPACE MANAGEMENTAUTO ;
CREATE TEMPORARY TABLESPACE "TEMP"
TEMPFILE '/db/oradata/temp01.dbf' SIZE 1000M EXTENT MANAGEMENT
LOCAL UNIFORM SIZE 1M;
CREATE USER "apps" IDENTIFIED BY "apps"
DEFAULT TABLESPACE "apps"
TEMPORARY TABLESPACE "TEMP"
ACCOUNT UNLOCK;
GRANT "CONNECT" TO "INTEGRATION";
GRANT "RESOURCE" TO "INTEGRATION";
alter database add logfile group 1 ('D:\Oracle\ORADATA\orcl1\REDO01.LOG') size 1M;
alter database drop logfile group 1;
alter system switch logfile;
alter database backup controlfile to trace ;
select a.name,a.value,b.name,b.value,(a.value*100)/b.value'%' "radio"
from v$sysstat a,v$sysstat b
where a.name='redo buffer allocation retries'
and b.name='redo entries';
这个比率小于1%才好，否则增加log_buffer的大小
select * from v$nls_parameters
select banner from sys.v_$version
set long 20000
十进制转十六进制 select to_char(33,'xxxx') from dual
drop table table_name cascade constraints;
alter table test move tablespace apps
/*索引重建*/
alter index index_name rebuild tablespace tablespace_name;
select /*+ index(tablename index_name)*/ from tablename
