Lab Sql

This is my table data Student And this is my query -- SELECT id, SUM( maths + chemistry + physics … Read more How To Add Column Values In Mysql

I am creating application where I need to connect my services to sql server. When I run the test co… Read more How To Connect Sql Server Through Java Code?

I have 2 tables...they are basically the same except for the column name in one of them because the… Read more Checking 2 Sql Columns And Displaying Result In 1 Column Pt2

Are there any short-circuit logic operators (specifically short-circuit AND and short-circuit OR) t… Read more Short-circuit Logic Evaluation Operators

I have the table in MySQL, containing group_name and username, like this: ID|group_name|username --… Read more Write Custom Sql Query For Multiple Counts

I want to write a SQL query where if the datetime is not been assigned I want to replace a string w… Read more MySQL IN BETWEEN With No Condition