SQL> CREATE TABLE customers
2 (
3 id NUMBER,
4 lname VARCHAR2(40) CONSTRAINT customer_lname_nn NOT NULL,
5 main_phone_number VARCHAR2(25),
6 credit_limit NUMBER,
7 email VARCHAR2(30)
8 );
Table created.
SQL> select lname, credit_limit
2 from customers
3 where lname like 'Q%';
no rows selected
SQL>
SQL> drop table customers;
Table dropped.