hpw tp add multiple coulumns to existing sql tab;e code example

Example 1: add multiple columns to table sql

//Example
ALTER TABLE employees
  ADD last_name VARCHAR(50),
      first_name VARCHAR(40);

Example 2: add multiple field in table sql

ALTER TABLE employee
  ADD (
  	  last_name VARCHAR(50) NOT NULL,
      first_name VARCHAR(40) NOT NULL
      );