Practical 2A(1)
create database Aishwarya1;
USE Aishwarya1;
CREATE TABLE villans(
rollno int primary key,
name varchar(50),
marks int not null,
grade varchar(1),
city varchar(20)
);
insert into villans
(rollno,name,marks,grade,city)
values
(101,"Aakash",78,"C","Pune"),
(102,"Akshay",93,"A","mumbai"),
(103,"Aakansha",88,"B","mumbai"),
(104,"Aadesh",79,"C","delhi"),
(105,"Ankita",28,"F","delhi"),
(106,"Aish",83,"B","delhi");
select * from villans;
alter table villans
add column age int not null default 20;
Practical 2A(1)
OUTPUT: