Formysql, the first nonoption argument is taken as the name of the default database. Because there is no such argument,mysqlselects no default database. To specify the host name and user name explicitly, as well as a password, supply appropriate options on the command line. To select a ...
sudoapt-get installmysql-server-y Step 2:Once MySQL is installed, you can log in to the MySQL server using the following command: sudomysql-uroot Step 3:Now, to create a new database, you can use the following command: CREATE DATABASE<database-name> Step 4:By default, the newly creat...
db: represents the default database for the global session, if that session was established using an X Protocol connection with a default database specified. SeeUsing MySQL as a Document Store. dba: provides access to AdminAPI, used to manage InnoDB Cluster, InnoDB ClusterSet, and InnoDB Repli...
namespaceMSGHEADER{//header头部各个字段信息struct Layout{//整个message长度,包括header长度和body长度int32_t messageLength;//requestID 该请求id信息int32_t requestID;//getResponseToMsgId解析int32_t responseTo;//操作类型:OP_UPDATE、OP_INSERT、OP_QUERY、OP_DELETE、OP_MSG等int32_t opCode;};//Cons...
Bug #67650 Ping command always reconnects to the database Submitted: 20 Nov 2012 11:53Modified: 3 Jan 2013 13:09 Reporter: Rudy Metzger Email Updates: Status: Closed Impact on me: None Category: Connector / PythonSeverity: S2 (Serious) Version: 1.0.7OS: Any Assigned to: Geert ...
--hostname –The host name of the DB instance that you want to access --port –The port number used for connecting to your DB instance --region –The AWS Region where the DB instance is running --username –The database account that you want to access The first several characte...
First, select the database that we want to use:mysql> USE xmodulo_DB; Then create a new table in the database:mysql> CREATE TABLE 'posts_tbl' ( 'post_id' INT UNSIGNED NOT NULL AUTO_INCREMENT, 'content' TEXT, 'author_FirstName' VARCHAR(100) NOT NULL, 'author_LastName' VARCHAR(50...
Bug #53804 serious flaws in the alter database .. upgrade data directory name command Submitted: 19 May 2010 13:35Modified: 14 Oct 2010 15:24 Reporter: Shane Bester (Platinum Quality Contributor) Email Updates: Status: Closed Impact on me: None Category: MySQL Server: DDLSeverity: S1 ...
1) mysql_change_db_impl, switch to null-database; when db_name is null/empty, and force_switch is true; 2) is_infoschema_db && mysql_change_db_impl, switch to INFORMATION SCHEMA 3) check_and_convert_db_name -> check_table_name, if error, mysql_change_db_impl to NULL_CSTR 4) ...
Learn how to use the MySQL ALTER command to modify existing database structures effectively. Discover various options to add, drop, or change columns in your tables.