SQL Subquery | SQL Beginner Guide

SQL Subquery is another tool SQL Server has which can be used to fetch data from other tables to be used in main query according to the needs.  Inner query and nested query are other names of SQL Subquery. SQL Subquery can be used with the SELECT, INSERT, UPDATE, and DELETE statements along with the operators … Continue reading SQL Subquery | SQL Beginner Guide

SQL Queries Practice & SQL Commands

SQL Queries Practice is important for anyone who wants to improve their SQL writing skills. We humans learn from examples and by actually practising what we read. So this is what we will do today. We discussed how SQL Select query works and what is a SQL query  & the difference between SQL query & … Continue reading SQL Queries Practice & SQL Commands