它不用通过网络协议,也可以连接到MySQL的服务器,它需要用到服务器上的一个物理文件(/var/lib/mysql/mysql.sock) AI检测代码解析 select @@socket; 1. 如果有参数-h指定主机,就会用第二种方式,TCP/IP协议。 AI检测代码解析 mysql -h192.168.8.211 -uroot -p123456 1. 我们的编程语言的连接模块都是用 TCP ...
Logging: 是否启用日志,默认 false SharedMemoryName:内存共享的名称,默认 MYSQL UseOldSyntax,old syntax, oldsyntax:是否兼容旧版的语法,默认 false ConnectionTimeout,connection timeout:连接超时等待时间,默认15s DefaultCommandTimeout,command timeout:MySqlCommand 超时时间,默认 30s UserID, uid, username, user n...
Upgrading from server versionversion_numberwith partitioned tables and lower_case_table_names==1 on a case sensitive file system may cause issues,and is therefore prohibited.To upgrade anyway,restart the new server version with the command line option 'upgrade=FORCE'.When upgrade is completed,plea...
To fully understand next chapters you should be familiar with commandEXPLAINin MySQL. EXPLAIN provides information on how MySQL will execute your code statements. It works with SELECT, DELETE, INSERT, REPLACE, and UPDATE statements. Here are columns you will see in the output of the command. Th...
Exits single user mode, enabling all SQL nodes (that is, all runningmysqldprocesses) to access the database. Note It is possible to useEXIT SINGLE USER MODEeven when not in single user mode, although the command has no effect in this case. ...
im newbie to mysql im designing a bookshop inventory for a bookstore in mysql and php all the data are entered in ARABIC every book have a lagnuage column for the language it was written in i wanna make a default value for this column how can i write ARABIC in the command prom...
To upgrade anyway, restart the new server version with the command line option 'upgrade=FORCE'. When upgrade is completed, please execute 'RENAME TABLE part_table_name TO new_table_name; RENAME TABLE new_table_name TO part_table_name;' for each of the partitioned tables. Please see the ...
Before starting to querying data from the MySQL database, go to the Providers folder under the Linked Server folder, right-click on the MSDASQL provider and, from the context menu, choose the Properties command:In the Provider Options dialog, check the Nested queries, Level zero only, Allow ...
(var connection = new MySqlConnection(connectionString)) { connection.Open(); // create a stored procedure using var command = connection.CreateCommand(); command.CommandText = @"DROP PROCEDURE IF EXISTS out_string; CREATE PROCEDURE out_string(OUT value VARCHAR(100)) BEGIN SELECT 'test value' ...
When this code is run from the MySQL Query Browser in "query mode" it works fine. However, when I put MySQL Query Browser in "script mode" and paste this command in a script, it does not work. Why does this work in "query" mode and but not when run from a script?