What is Data Query Language in SQL? I SELECT in SQL | DQL commands in DBMS with practical example

Welcome to ETL QA LABS , I am Hetu and in this video i have explained the Data Query Lanuague ( DQL ) which is SELECT command in SQL. We have learned following in this video - 1. How to fetch all the rows and columns from a table 2. How to fetch selected columns from a table 3. How to fetch only selected rows from a table 4. Use of IN operator and difference between IN and '=' operator You can also watch below playlist if you are interested. Data Warehousing concepts: https://www.youtube.com/playlist?list=PLz5n9ljUmyOz53-xM0NMWV4aDp1SGFvG6 Linux : https://www.youtube.com/playlist?list=PLz5n9ljUmyOyqdouKrzj_RpRsiALUN6Tn ETL Testing: https://www.youtube.com/playlist?list=PLz5n9ljUmyOyUuD9RhtqX0moDAZIaQxVj SQL : https://www.youtube.com/playlist?list=PLz5n9ljUmyOx7rlTVWQvhWqZ4giecLOqT Hey Guys, If you’re enjoying this video and you’d like to support this channel, please consider subscribing! It might seem small, but hitting that subscribe button helps alot and means more videos in the future!