====== Subtraction Operator (-) PL/HQL ====== You can use (-) arithmetic operator to subtract two numbers, or subtract the number of days from a DATE value. **Syntax:** expr - expr ===== Subtract Two Integers ===== When you subtract two integer values the result of the operation also has an integer value. **Example:** | **Expression** | **Result** | **Result Type** | | 3 - 1 | 2 | Integer | ===== Subtract Integer from Date ===== When you subtract an integer from a DATE value, PL/HQL subtracts the number of days from the DATE and the result of the operation is a DATE value. **Example:** | **Expression** | **Result** | **Result Type** | | DATE '2015-01-01' - 1 | DATE '2014-12-31' | DATE |