原文地址:https://blog.csdn.net/u012129031/article/details/76218764 1.将用户user1的表权限赋给用户user2 select 'grant select on user1.' || t.table_name || ' to user2;' from user_tables t 2. grant select any table to robbie; 3. 根据指定用户名获得对应用户所拥有权限的表 SELECT table_
--oracle删除数据库表(无主键)中重复的记录 1, CREATE TABLE newtable as SELECT distinct * FROM T_SYSTEM_MENU_PRIV; 2, drop table T_SYSTEM_MENU_PRIV; 3, ALTER TABLE newtable rename to T_SYSTEM_MENU_PRIV;
ps:通常我用的是:1.“grant all on *.* to root@'%' identified by 'yourpassword';”——这个还可以顺带设置密码.2.“flush privileges; ”——刷新一下,让权限生效. MySQL 赋予用户权限命令的简单格式可概括为: grant 权限 on 数据库对象 to 用户 一.grant 普通数据用户,查询.插入.更新.删除 数据库中所有表数据的权利. grant select on testdb.* to common_use
dba_data_files:数据库数据文件信息表.可以统计表空间大小(总空间大小). dba_free_space:可以统计剩余表空间大小. 增加表空间即向表空间增加数据文件,表空间大小就是数据文件总大小. 检查Oracle各个表空间的增长情况(各表空间使用率) select A.tablespace_name,(1-(A.total)/B.total)*100 used_percent from (select tablespace_name,sum(bytes) total from db
给targetUserName用户授予databaseName单个数据库权限 grant all privileges on databaseName.* to targetUserName@"%" identified by 'targetPassword';grant select,delete,update,insert on databaseName.* to targetUserName@"%" identified by 'targetPassword'
[oracle@bogon orcl]$ sqlplus sys/sys as sysdba SQL*Plus: Release 11.2.0.1.0 Production on Wed Oct 8 18:54:09 2014 Copyright (c) 1982, 2009, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit P
--查看是否有除number,char,date,varchar2,clob/blob之外的类型,比如:NVARCHAR2,TIMESTAMP(6),FLOATSELECT DISTINCT a.DATA_TYPE FROM user_tab_cols a; --对于number类型的,还需查询是否有确定的精度,若无,根据实际情况确定精度.SELECT * FROM user_tab_cols a WHERE a.data_type = 'NUMBER' AND a.data_precis
步骤一: 删除user drop user ×× cascade 说明: 删除了user,只是删除了该user下的schema objects,是不会删除相应的tablespace的. 步骤二: 删除tablespace DROP TABLESPACE tablespace_name INCLUDING CONTENTS AND DATAFILES;