How to Write Multiple Case Statement in SQL
SQL Case statement is used to compare an expression within one or more logical conditions by returning a value when if-then-else logics are used. The first is a Simple Case…
SQL QUERY TO REDUCE REDUNANCY OF DATA
What is Data Data is a collection of words, images, sound, letters and observations for analysis, reference and research purpose. What is Redundancy in Data Data redundancy is the duplication…