The error happens because MySQL can index only the first N chars of a BLOB or TEXT column. So The error mainly happens when there is a field/column type of TEXT or BLOB or those belong to TEXT or BLOB types such as TINYBLOB, MEDIUMBLOB, LONGBLOB, TINYTEXT, MEDIUMTEXT, and LONGTEXT that you try to make a primary key or index. With full BLOB or TEXT without the length value, MySQL is unable to guarantee … Read more
You are mixing mysqli and mysql extensions, which will not work. You need to use mysqli has many improvements over the original mysql extension, so it is recommended that you use mysqli.
If this is NOT your first time setting up the password, try this method: And if you get the following error, there is a high chance that you have never set your password before: To set up your password for the first time: Reference: https://dev.mysql.com/doc/refman/5.6/en/alter-user.html
Try to cast it as a DATE
Underscore is a wildcard for a single character. You will need to change your SQL to something like: Or you can escape the underscore
try this DEMO HERE
If you want the count of everything, not just the tuples with duplicates, then eliminate the HAVING line, as that’ll filter out anything that doesn’t have duplicates.
I was facing the similar issue. My env details – Python 2.7.11 pip 9.0.1 CentOS release 5.11 (Final) Error on python interpreter – Use pip to search the available module – Install the mysql-connector-python-rf – Verify Thanks =) For python3 and later use the next command: $ pip3 install mysql-connector-python-rf