database users

Connect to data with sys user sqlplus:Sql*plus:release 11.2.0.3.0 Production on Thu June 22 11:07:58 2017Copyright (c) 1982, Oracle. All rights reserved.Connected to:Oracle Database 11g Enterprise Edition Release 11.2.0.3.0-64bit ProductionWith the

Create VIEW Temp_view as(Select B.column_name,a.table_name,b.column_id,b.data_typeFrom User_tables A,user_tab_columns b where a.table_name=b.table_name);------------------------------------------SELECT * from Temp_view order by table_name,column_id;-

As a super-large-scale database, Oracle stores more data than general databases. The following describes the architecture of Oracle databases, the following is a detailed introduction of the article. I hope you will gain some benefits after browsing

First, you must understand that the physical structure of the database is determined by the operating system files of the database. Each Oracle database consists of three types of files: data files, log files, and First, you must understand that the

Example: delete user abc,First, log on to the database as a sysdba user.$ Sqlplus/as sysdbaDelete User abcSQL> drop user abc cascadeNote: If the user abc is deleted, the schema objects under the user is deleted, and the corresponding tablespace is

The most recent project needs to see the size of the data user table, including the number of record bars and the amount of disk space occupied. I've been searching the web for a long time. It is also possible to view the size of the space occupied

Create roles, users, and permissions /* -- Example descriptionIn the database pubs, create a role r_test with all permissions for table jobs and select permissions for table titles.Then a login l_test is created, and the user account u_test is

First, you must understand that the physical structure of the database is determined by the operating system files of the database. Each Oracle database consists of three types of files: data files, log files, and control files. Database files

Unlock database users1. log on to and unlock the account with the dba role. First, set the specific time format to view the specific time. SQL> alter session set nls_date_format = 'yyyy-mm-dd hh24: mi: ss'; Session altered. 2. Check the lock time

Format: Grant permission on database. * To User name @ login host identified by "password" For example, add a user user1 password for password1, so that it can be logged on the computer, and all databases have query, insert, modify, delete

First, you need to install the configuration on the server phpMyAdmin Installation configuration method for details: http://www.jb51.net/article/15330.htm After installation, came to phpMyAdmin's homepage as shown below: Second, create a user

The ORACLE tutorial is: Oracle Database Security Policy Analysis (2 ).SQL * DBA command security: If you do not have an SQL * PLUS application, you can also use SQL * DBA for SQL query permission-related commands that can only be assigned to the

Guidance:With the popularization of computers and the development of networks,DatabaseIt is no longer just a topic dedicated to programmers, but also familiar to many people,Data securityIt is no longer an old growth talk, nor is it a box of

Oracle Database Security Policy Analysis (2) Oracle Database Security Policy Analysis (2) The ORACLE tutorial is: Oracle Database Security Policy Analysis (2 ). SQL * DBA command security: If you do not have an SQL * PLUS application, you can also

With the popularization of the computer and the development of the network, the database is no longer just the topic of the programmer, but also is familiar to many people, data security is no longer the old "long talk", and more than the previous

Database Security Policy Database security issues have always been a nightmare for database administrators, database data loss and databaseThe intrusion by illegal users makes the database administrator physically and mentally exhausted. This

In Sybase databases, user management is an important part of system management, but its importance is often overlooked. Many times, the operation of the database command is often not successful with user management, and many of the occurrence of

Les08 user security management) [2080312], les082080312Purpose: To create and manage a Database User Account-authenticate a user-allocate a default storage zone (tablespace) grant and revoke permissions to create and manage roles create and manage

Let's take a look at the security model of SQL Server, first take a picture: This is the three Layer Security management system of SQL Servers, let's say that you live in a fortified community, if you want to enter your room, of course, you need to

All these technologies can be used as a means to maintain a backup server. At the same time, this database can be launched when your original primary database has a problem and serve as a new primary server. However, you must remember that replacing