Riedsio

Riedsio has asked 3 questions and find answers to 23 problems.

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Riedsio questions

How to disable or circumvent phpmyadmin's SQL_CALC_FOUND_ROWS
The purpose of SQL's EXISTS and NOT EXISTS

Riedsio answers

Mysql ENABLE KEYS commands takes a long time
mysql multi column index not working (as expected)?
MySQL: Constraint two columns so one of them always are NULL
How do you clear overhead (Data_free) in a MEMORY table in MySQL?
SELECT and DELETE
Can't connect to mysql because there are no users
how to write conditional left join
MySQL composite indexes and operator BETWEEN
What is the maximum length for an ENUM value?
MySQL cartesian product between two SELECT statements