sql data add code example

Example 1: sql add

Adds a new column to an existing table.
Example: Adds a new column named ‘email_address’ to a table named
‘users’.
ALTER TABLE users
ADD email_address varchar(255);

Example 2: how to insert data in sql table

//to insert value
INSERT INTO students VALUES (200, 'Jones', 101);
INSERT INTO students VALUES (201, 'Smith', 101);
INSERT INTO students VALUE (202, 'Lee' , 102);