SQL SELECT Statement

There are multiple ways to use SELECT statement in SQL.

Select Single Columns

SELECT statement can be used to select single column from a database.

For instance, If we only want to see the customers names from customers table.

<?php  

	SELECT column_name FROM table_name;

?>

Select Multiple Columns

SELECT statement can be used to select single column from a database.

Let’s assume we have a table named as customers and this table having multiple columns like customer_name, customer_address, customer_contact_no. We want to select all the data of customer the above select statement will be utilized.

<?php  

	SELECT column1, column2....columnN
	FROM table_name;

?>

Select All Columns

SELECT statement can used to select whole data from a database.

<?php  

	SELECT * FROM table_name;

?>