Table of Contents
How do I find the difference between two dates in Db2?
*You may also use the DATEDIFF function. COMPUTE days2 = DATEDIFF(date2,date1,”days”).
How do I subtract the current date in Db2?
Subtracting dates: The result of subtracting one date (DATE2) from another (DATE1) is a date duration that specifies the number of years, months, and days between the two dates. If DAY(DATE2) > DAY(DATE1) then DAY(RESULT) = N + DAY(DATE1) – DAY(DATE2) where N = the last day of MONTH(DATE2) .
How do you subtract dates in Cobol?
SUBTRACT DURATION – COBOL Function
- The SUBTRACT-DURATION function subtracts a duration from a date, time, or timestamp item, and returns the modified item.
- The function type is date-time.
- The length of the return value depends on the length of the date, time, or timestamp item specified in argument-1.
How do I change the current date in DB2?
Examples
- Run the following command from the Db2® CLP to obtain the current date. db2 values CURRENT DATE.
- Using the PROJECT table, set the project end date (PRENDATE) of the MA2111 project (PROJNO) to the current date. UPDATE PROJECT SET PRENDATE = CURRENT DATE WHERE PROJNO = ‘MA2111’
How does Cobol calculate dates?
Below are COBOL date functions to add, Subtract and Find the duration between Dates, Times and Time stamps.
- ADD-DURATION.
- SUBTRACT-DURATION.
- FIND-DURATION.
- CURRENT-DATE.
- INTEGER-OF-DATE.
- INTEGER-OF-DAY.
- DAY-OF-INTEGER.
- DATE-TO-YYYYMMDD.
How do you find the day of the week in Cobol?
The following code sample shows a way of calculating the day of the week from any given date. The date needs to be in the format YYYYMMDD. working-storage section. 01 ws-weekdays pic x(21) value “SunMonTueWedThuFriSat”.
How do you subtract in a database?
To use the MINUS operator, you write individual SELECT statements and place the MINUS operator between them. The MINUS operator returns the unique rows produced by the first query but not by the second one.