drop database

cannot drop a database link after changing the global_name ORA-02024 (document ID 382994.1)applies To:Oracle database-enterprise edition-version 9.2.0.6 and laterInformation in this document applies to any platform.Checked for relevance on 14-nov-201

Mysql5.7.20 Installation DocumentationI. Recovery and backup of databases under LinxuBackup is extremely important when we keep important data in our MySQL database. This article describes how to use mysqldump to back up and recover data, which can

1. Create a database CREATE {DATABASE | Sehema} [IF not EXISTS] db_name [[DEFAULT]] CHARACTER SER [=] Charset_name {} 2 is selected[] is optional Creating a Text1 database directory create databases Text1; Creating a

first, the MySQL database daily operation. 1. Start Mysql:/etc/init.d/mysql Start (the installation path in front of MySQL)2. Restart MySQL:/etc/init.d/mysql restart (the installation path in front of MySQL)3. Turn off MySQL:/etc/init.d/mysql stop

For a detailed explanation of Binlog, please refer to:http://zlyang.blog.51cto.com/1196234/1833062The Binlog log is used to record all statements that have updated data or that have potentially updated data. Statements are saved as "events," which

1. RENAME DATABASE db_name to New_db_nameThis one.. This syntax was added in MySQL 5.1.7, and 5.1.23 was removed.It is said that data may be lost. It's better not to use it.See: http://dev.mysql.com/doc/refman/5.1/en/rename-database.html2. If all

Several common methods of 1.mysqldump:(1) Export the entire database (including data in the database)mysqldump-u username-p dbname > Dbname.sql(2) Export database structure (without data)mysqldump-u username-p-D dbname > Dbname.sql(3) Export a data

Mysqldump can specify the path, if the path is not specified, but only the file name, then the current access to the MySQL command line in the directory, which is the MySQL installation directorymysqldump--default-character-set=utf8-h127.0.0.1-uroot-

Oracle Database Sqldatabaseloggingfile –===================== – Manually delete the Oracle database –===================== In many cases, or unable to use the DBCA tool, we need to manually delete the database. This can be accomplished with the drop

Source: http://www.cnblogs.com/0351jiazhuang/p/4530366.htmlSQL is (structured query Language) Structured Query language abbreviation, the following Zhao yiming essay blog from the Basic knowledge, judgment object and application skills, introduced

1.mysqldump1.1. Backup method:(1) Export the entire database and specify the character set (including data in the database)(2) Export database structure (without data)mysqldump -u username -p -d dbname > dbname.sql (3) Export a data table

1) Prepare two MySQL services and start the service127.0.0.1:3306 Host127.0.0.1:3307 slave MachineBefore and after the master-slave configuration needs to confirm the two machine instances between the library, table, data consistent, otherwise it

Start/stop/restart MySQL:===========================On Linux start/stop/restart from the command line:/etc/init.d/mysqld start/etc/init.d/mysqld stop/etc/init.d/mysqld restartSome Linux flavours offer the service command tooService mysqld

Generally speaking, the master-slave synchronization is, from the library to the master Library of a location point of backup, and then according to the main library Binlog log and continuously through the increment to perform additions and

1. Download a free DB2 software from IBM's official website DB2 express-c and install it before the DB2 installation software on the computer is not license Expiration is not an installation. V8.2 License cannot use the Db2cmd command after it

Mysql-h192.168.137.10-uroot-p123Mysql-uroot-p123mysqladmin-uroot-p password "Redhat"Mysqladmin-uroot-predhat password "123"Grant all on * * to [e-mail protected] "%" identified by "Redhat";MySQL -uzhang -predhatCreate DATABASE Luzhi default

To Restore the database on a new host:1. Ensure that the backups of the target database is accessible on the new host.2. Configure the Oracle_sid on HostB.3. Start RMAN on HostB and connect to the target database without connecting to the recovery

1. RENAME DATABASE db_name to New_db_nameThis one.. This syntax is added to the MySQL 5.1.7, 5.1.23 and removed.It is said that it is possible to lose data. It's better not to use it.See: http://dev.mysql.com/doc/refman/5.1/en/rename-database.html 2

Parameters Parameter description --all-databases,-A Export all databases. Mysqldump-uroot-p--all-databases --all-tablespaces, Y Export all table spaces. Mysqldump-uroot-p--all-databases--all-tablespaces --no-tablespaces, Y does not export

The previous database installed in the virtual machine, today on the machine installed a SQL2008, remote connection to the virtual machine on the SQL Server, after the drop database test to delete the previous tests failed, prompting "cannot delete