It turns out I was just missing DECIMAL on the CAST() description: DECIMAL[(M[,D])] Converts a value to DECIMAL data type. The optional arguments M and D specify the precision (M specifies the total number of digits) and the scale (D specifies the number of digits after the decimal point) of the decimal value. The default … Read more
Move the session_start(); to top of the page always.
I’m following this tutorial here on creating a JDBC programming. I’ve followed the steps up to the console command to start the server: I get the following error message: I’m quite new to using MySql in this way but I can see that there is no data folder in the server directory and no my.ini … Read more
I want to run a Django application in PyCharm which works on MySQL DB. I am unable to connect my program to the database. When I am trying to install MySQLclient or MySQL-python I am getting the error: Failed building wheel for MySQLclient Please help me out in connecting my Django program with MySQL database.
You could use NOT IN
You need to remove shares as your PRIMARY KEY OR UNIQUE_KEY
Try or: Or the equivalent in:
i just update my server. it showing an error today Deprecated: mysql_query(): The mysql extension is deprecated and will be removed in the >future: use mysqli or PDO instead in C:\wamp\www\work\db\dbfields – Copy.php on line 33 my dbfields – Copy.php page is mysql_query(“insert into user(name,address) values(‘$name’,’$address’)”); i create 2 columns (name&address), need to insert the … Read more
You need to either convert each table individually: (this will convert the columns just as well), or export the database with latin1 and import it back with utf8mb4.
Taken from the MySQL manual (13.2.10.11 Rewriting Subqueries as Joins): A LEFT [OUTER] JOIN can be faster than an equivalent subquery because the server might be able to optimize it better—a fact that is not specific to MySQL Server alone. So subqueries can be slower than LEFT [OUTER] JOIN, but in my opinion their strength … Read more