show databases;
use sakila;
show tables;
# describe actor;
insert into actor select null as actor_id, first_name,last_name,last_update from actor;
insert into actor select null as actor_id, first_name,last_name,last_update from actor;
insert into actor select null as actor_id, first_name,last_name,last_update from actor;
insert into actor select null as actor_id, first_name,last_name,last_update from actor;
insert into actor select null as actor_id, first_name,last_name,last_update from actor;
insert into actor select null as actor_id, first_name,last_name,last_update from actor;
insert into actor select null as actor_id, first_name,last_name,last_update from actor;
insert into actor select null as actor_id, first_name,last_name,last_update from actor;
insert into actor select null as actor_id, first_name,last_name,last_update from actor;
insert into actor select null as actor_id, first_name,last_name,last_update from actor;
Select count(*) from actor;