Top "Mysql" questions

MySQL is a free, open source Relational Database Management System (RDBMS) that uses Structured Query Language (SQL).

ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)

I am an electrical engineer who mainly plays around with power systems instead of programming. Recently, I have been following …

mysql linux ubuntu
MySQL - UPDATE query based on SELECT Query

I need to check (from the same table) if there is an association between two events based on date-time. One …

mysql select sql-update
How do I import CSV file into a MySQL table?

I have an unnormalized events-diary CSV from a client that I'm trying to load into a MySQL table so that …

mysql csv load-data-infile
MySQL Error: : 'Access denied for user 'root'@'localhost'

$ ./mysqladmin -u root -p 'redacted' Enter password: mysqladmin: connect to server at 'localhost' failed error: 'Access denied for user 'root'@…

mysql sql database database-connection
Disable ONLY_FULL_GROUP_BY

I accidentally enabled ONLY_FULL_GROUP_BY mode like this: SET sql_mode = 'ONLY_FULL_GROUP_BY'; How do I …

mysql
How do I find the MySQL my.cnf location

Is there a MySQL command to locate the my.cnf configuration file, similar to how PHP's phpinfo() locates its php.…

mysql linux
Import file size limit in PHPMyAdmin

I have changed all the php.ini parameters I know: upload_max_filesize, post_max_size. Why am I still …

php mysql phpmyadmin
Should I use the datetime or timestamp data type in MySQL?

Would you recommend using a datetime or a timestamp field, and why (using MySQL)? I'm working with PHP on the …

mysql datetime timestamp sqldatatypes
MySQL: How to allow remote connection to mysql

I have installed MySQL Community Edition 5.5 on my local machine and I want to allow remote connections so that I …

mysql mysql-workbench
Insert into a MySQL table or update if exists

I want to add a row to a database table, but if a row exists with the same unique key …

mysql sql insert-update upsert