To create a new column in an existing table, you use ALTER Table query with ADD COLUMN in it.

To select rows in which a particular column value contains a particular word, use LIKE and in inv

To create a single line comment in PostgresSQL, you use two hashes --

For example:

How to delete a table with all its concepts in SQL or MySQL?

How to use INDEX MATCH function to find values in a MS Excel Worksheet?

It is important to know how to add a new element to a Python list.

In this tutorial, we will learn to split a string in Python with new line character.

Excel has huge number of functions, but there's one unsung hero that often flies under the ra

Pivot Table is one of the most powerful features of MS Excel which makes Excel o