Lab Sql

I am using MATCH() AGAINST() for full text search in my database. As since i wanted data from multi… Read more Find Name Or Alias Of Matched Column In Match() Against()

Note: Running MariaDB 10.2.27 on Windows Server 2012 R2 Standard. I wanted to generate random integ… Read more Why So Many Collisions With The Mariadb 10.2 Rand() Function?

Hello I asked a question this morning, and I realized that the problem was not where I was looking … Read more Problems With Order By Rand() And Big Tables

I got table like below mysql> select * from tb_dts; +----+------+------+ | Id | key1 | key2 | +-… Read more How To Get Ids Of 4 Distinct Values ( Combination Of 2 Keys )

MySQL (mariadb Ver 15.1 Distrib 10.1.44-MariaDB, for debian-linux-gnu (x86_64) using readline 5.2)… Read more Mysql Incorrect Foreign Key

I'm looking for help on how to optimize (if possible) the performance of a SQL query used for r… Read more How To Improve Wind Data Sql Query Performance

I have table like this called, table test: +------------------------+--------+ | id_laporan_rekomen… Read more Make A New Column Based From Case And Group By Result

I wrote and would like to combine these 2 sql, one is based on results of another. I checked this p… Read more How Can Those Two Sql Statements Be Combined Into One?