As is, you must delete the row out of the advertisers table before you can delete the row in the jobs table that it references. This: …is actually the opposite to what it should be. As it is, it means that you’d have to have a record in the jobs table before the advertisers. So … Read more
Some systems like Ubuntu, MySQL is using the UNIX auth_socket plugin by default. Basically it means that: db_users using it, will be “authenticated” by the system user credentials. You can see if your root user is set up like this by doing the following: As you can see in the query, the root user is using the auth_socket plugin. There are two ways to solve this: … Read more
You don’t need to restart your windows. The easiest way to achieve this is Go to <Extracted folder location>/bin/ Run mysqld (service) close the cmd prompt Run mysql.exe or the better way to do is add the location to PATH environment Variable
You need to consider that GROUP BY happens after the WHERE clause conditions have been evaluated. And the WHERE clause always considers only one row, meaning that in your query, the meta_key conditions will always prevent any records from being selected, since one column cannot have multiple values for one row. And what about the redundant meta_value checks? If a value is allowed to … Read more
For MySQL 5.0.3 and higher, you can use BIT. The manual says: As of MySQL 5.0.3, the BIT data type is used to store bit-field values. A type of BIT(M) enables storage of M-bit values. M can range from 1 to 64. Otherwise, according to the MySQL manual you can use BOOL or BOOLEAN, which are at the moment … Read more
It may be easier to check if the connection and re-establish it if needed. See PHP:mysqli_ping for info on that.
Ubuntu 16.04 (EASY): Find out where you are allowed to write Then, just write there Mac OSX: Mysql installed via MAMP Find out where you are allowed to write NULL means you’re screwed so you have to create the file “~/.my.cnf” Enable read/write for MySQL installed via MAMP (on Mac): open “MAMP” use spotlight click … Read more
You can reset your root password. Have in mind that it is not advisable to use root without password.
If you really need this you can achieve your goal with help of separate table for sequencing (if you don’t mind) and a trigger. Tables Now the trigger Then you just insert rows to table1 And you’ll have | ID | NAME | —————— | LHPL001 | Jhon | | LHPL002 | Mark | Here … Read more
If your file my.cnf (usually in the /etc/mysql/ folder) is correctly configured with you can check if mysql is running with the following command: try changing your permission to mysql folder. If you are working locally, you can try: that solved it for me