drop db

1.autoCommit (), commit (), rollback ()function autocommit ($onoff =false)Specifies whether the transaction is committed automatically. Some back-end databases are not supported.function commit ()Commit the current transactionfunction rollback

The MySQL Drop database command is used to delete a database, and if you attempt to delete a nonexistent database using the drop DATABASE command, you receive this error: Error 1008 (HY000): Can ' t drop database ' Tutorial_database '; Database

Oracle Update Data Tip Custom "ORA-20010: Cannot drop/truncate the table" errorJava.sql.batchupdateexception:ora-00604:error occurred at recursive SQL Level 2ORA-20010: The table cannot be drop/truncate.Ora-06512:at Line

Mysql Delete Database Drop db Method-: Download Delete using cmd mode mysql> drop Database School; This name deletes the school database. However, an error occurs if the school database does not exist. So the complete statement should write this:

[[email protected] ~]# grep "binlog-do-db"/etc/my.cnf binlog-do-db = test[[email protected] ~]# grep "Binlog-do-db"/etc/ My.cnfbinlog-do-db=testbinlog-do-db=test2db:mysql> use test2;database changedmysql> show tables; Empty Set (0.00 sec) mysql>

? Describe the DBA's responsibility for security and audit work? Enable standard database auditing? Specify audit options? Review audit information? Maintain audit trail Segregation of duties ? A user with DBA authority must be

Source: amutu. comblog201306hive-metastore-db-postgresqlHIVE metadata uses derby as the storage DB by default, derby as the lightweight DB, it is more convenient to use in the development and testing process, but in the actual production environment,

DB link migration (the password in dblink is unknown), dbdblinkI don't know if DBAs sometimes encounter such a situation where the Public db link is used for Schema migration. However, the target account password in db link is unknown, therefore,

This article mainly introduces jquery's implementation of the second-level interaction of the drop-down menu using json objects to display the association from the DB value. If you need it, you can refer to the use of struts2 and Ajax to implement

Operating system: WinXP VC Environment: VC6.0 Required files: Berkeley db installation file (Db-.msi) http://www.oracle.com/technology/software/products/berkeley-db/index.html Steps: 1. Run Db-4.7.25.msi, install Berkeley DB 2. Build Berkeley DB 1〉