Include rows

Use the equal sign (=) relational operator to include rows in a WHERE clause, as the following query shows.
Figure 1: Query
SELECT customer_num, call_code, call_dtime, res_dtime
   FROM cust_calls
   WHERE user_id = 'maryj';
The query returns the set of rows that is shown.
Figure 2: Query result
customer_num  call_code  call_dtime       res_dtime     

         106  D          1998-06-12  08:20 1998-06-12 08:25
         121  O          1998-07-10 14:05 1998-07-10 14:06
         127  I          1998-07-31 14:30