八月未央

语法： [ OFFSET offset { ROW | ROWS } ] [ FETCH { FIRST | NEXT } [ { rowcount | percent PERCENT } ]     { ROW | ROWS } { ONLY | WITH TIES } ] create table test (id int); SQL> select * from tes

1.首先使用RMAN做一次备份(必需有次备份) rman target / backup database; or backup database root; backup pluggable database pdb; 2.在pdb中创建test用户并授权 sqlplus / as sysdba alter session set container=pdb; cr

12c install on centos 6.5_64 4G内存 1.修改/etc/hosts 192.168.5.100 source 2.修改内核参数 vi /etc/sysctl.conf fs.file-max = 6815744 kernel.sem = 250 32000 100 128 kernel.shmmni =