How to use php array with sql IN operator?

SQL | IN operator with PHP Array In this article we will use PHP Array with SQL IN operator. SQL IN operator allows us to specify multiple values in where clause. So in this article…

What is a view in SQL?

SQL | View View in SQL is a kind of virtual table. It does not physical exists in our database but have rows and column as there we have in real database table. we can…

What is the difference between primary key and unique constraints?

SQL | Difference between primary key and unique constraints There is only one primary key in a table. It creates the cluster index automatically and it cannot have NULL value where as there can be…