INTRODUCTION TO MYSQL AND Q & A OF MYSQL
Sharing the notes of MYSQL and, Question and answers of MYSQL for interview purpose also available in the below attatched pdf's. The pdf's include Connecting and Disconnecting, Entering Basic Queries, Creating and Using a Database, etc. If you want to watch video related to MYSQL, Click on this link - https://www.youtube.com/results?search_query=+MYSQL+Ajaze+Khan
MySQL Functions
MySQL Functions MySQL has many built-in functions. This reference contains string, numeric, date, and some advanced functions in MySQL. ________________________________________
SQL PRIMARY KEY Constraint
SQL PRIMARY KEY Constraint The PRIMARY KEY constraint uniquely identifies each record in a table. Primary keys must contain UNIQUE values, and cannot contain NULL values. A table can have only ONE primary key; and in the table, this primary key can consist of single or multiple columns (fields).