Excel- Reordering Data
Sorting, Custom sorting, subtotals and Grouping
Watch the 2 videos below and learn how to sort, and group data in lists really easily!
Keys in SQL- Primary Key
In the upcoming days you will learn about an important clause in SQL called JOIN which allows you to combine records from two or more tables based on the given conditions. In order to understand that concept, you must clearly understand what SQL keys mean. The following videos on Primary and Foreign key will help you with that.