Lab Sql

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?

I am using SQL Server 2005, please tell me how can I get 6 digits (unique numeric which should be r… Read more How To Get Numeric Random Uniqueid In Sql Server

A colleague of mine discovered a behaviour in SQL Server which I was unaware of. CREATE VIEW dbo.vR… Read more Is This A Good Or Bad Way Of Generating Random Numbers For Each Record?

I have a database with an Items table that looks something like this: id name category (int) There… Read more Mysql Select One Random Record From Each Category

I need to create a string of random digits in TSQL I thought about HASH + CONVERT But convert works… Read more Create Random String Of Digits T-sql

I have some entries in my database, in my case Videos with a rating and popularity and other factor… Read more Biased Random In Sql?

I have designed a quiz scenario using MySQL database as my backend. I have a total of 20 questions … Read more Accessing Random Rows From Database Without Repetition

I'm trying to prepare a query for performance. I'm hoping to remove the RAND() from the que… Read more Rand() Query And Performance