Sometimes you will not know exactly what value you are looking for, or you would like to see a set of values. You can use comparisons in the WHERE clause to select a set of rows that satisfy the search condition.
The following example shows the use of a date inequality search condition. Type the following:
SELECT emp_lname, birth_date FROM employee WHERE birth_date < 'March 3, 1964'
emp_lname |
birth_date |
---|---|
Whitney |
1958-06-05 00:00:00.000 |
Cobb |
1960-12-04 00:00:00.000 |
Jordan |
1951-12-13 00:00:00.000 |
Breault |
1947-05-13 00:00:00.000 |
Espinoza |
1939-12-14 00:00:00.000 |
Dill |
1963-07-19 00:00:00.000 |
Sybase IQ knows that the birth_date column contains a date, and converts 'March 3, 1964' to a date automatically.