MySQL :: MySQL Forums
2024年11月5日 · The main discussion forum for MySQL. Please use specialized forums for specific topics.
How to connect to MySQL from the command line - Stack Overflow
2011年2月27日 · One way to connect to MySQL directly using proper MySQL username and password is: mysql --user=root --password=mypass Here, root is the MySQL username mypass is the MySQL user password This is useful if you have a blank password. For example, if you have MySQL user called root with an empty password, just use . mysql --user=root --password=
mysql - What does SQL Select symbol || mean? - Stack Overflow
2014年4月29日 · mysql: concat ( vararg function ). caution : || means 'logical or' ( It's configurable , however; thanks to @hvd for pointing that out) oracle: || (infix operator), concat ( caution : function of arity 2 only !
How to allow remote connection to MySQL - Stack Overflow
2016年4月11日 · If it's a Windows system, you can find it in the MySQL installation directory, usually something like C:\Program Files\MySQL\MySQL Server 5.5\ and the filename will be my.ini. Change line. bind-address = 127.0.0.1 to. #bind-address = 127.0.0.1 And restart the MySQL server (Unix/OSX, and Windows) for the changes to take effect.
How to connect to a MySQL Data Source in Visual Studio
uninstall MySQL for Visual Studio from control panel. reinstall them according to the table below. copy the assembly files from C:\Program Files (x86)\MySQL\MySQL Connector Net 6.9.8\Assemblies\v4.5 to C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\IDE. log off and reopen your solution. enjoy
How to set initial value and auto increment in MySQL?
2014年12月30日 · MySQL Workbench. If you want to avoid writing sql, you can also do it in MySQL Workbench by right clicking on the table, choose "Alter Table ..." in the menu. When the table structure view opens, go to tab "Options" (on the lower bottom of the view), and set "Auto Increment" field to the value of the next autoincrement number.
sql - MySQL query String contains - Stack Overflow
it appears the author wanted to construct the MySQL query using PHP. Since the question was asked 12 years ago, current practice would be to use preprepared statements to prevent SQL injection. Here is an example with PHP:
MySQL JOIN ON vs USING? - Stack Overflow
2021年2月19日 · MySQL allows mentioning the USING columns via dotting, which is not allowed in standard SQL. But SELECT * returns only one copy of each USING column. So again the JOINs of ON & USING calculate different tables.)
Is there a naming convention for MySQL? - Stack Overflow
Here's how I do it: Table names are lower case, use underscores to separate words, and are singular (e.g. foo, foo_bar, etc. I generally (not always) have an auto increment PK. I use the following
MySQL :: Re: Initializing database error
2024年12月13日 · Installing MySql 9.1 after the last Win 11 update does not run correctly. MySql configurator is unable to initialize the database and fails to complete basic setup. Navigate: Previous Message • Next Message