Date column

Write values using the current day/time or a string format into a date column.

String format

date

date string format:

<yyyy>-<mm>-<dd>

Where the elements of a date are separated with a hyphen:

  • yyyy: four-digit year

  • mm: two-digit month

  • dd: two-digit day

For example, May 5, 2017:

2017-05-05

Getting the current day

Use toDate(now()) to insert the current day into a date field.

  • To INSERT dates:

    • Current date (today) for last_race values.

INSERT INTO cycling.cyclist_alt_stats (id,last_race) 
  VALUES (ed584e99-80f7-4b13-9a90-9dc5571e6821,todate(now()));
INSERT INTO cycling.cyclist_alt_stats (id,last_race) 
  VALUES (ed584e99-80f7-4b13-9a90-9dc5571e6821,todate(now()));
  • String format (yyyy-mm-dd) for first_race value.

INSERT INTO cycling.cyclist_alt_stats (id,first_race) 
  VALUES (ed584e99-80f7-4b13-9a90-9dc5571e6821,'2006-03-15');
INSERT INTO cycling.cyclist_alt_stats (id,first_race) 
  VALUES (ed584e99-80f7-4b13-9a90-9dc5571e6821,'2006-03-15');
  • To UPDATE a date field:

    • Current date (today) for last_race.

UPDATE cycling.cyclist_alt_stats SET last_race = toDate(now())
  WHERE id = ed584e99-80f7-4b13-9a90-9dc5571e6821;
  • Use formatted string (yyyy-mm-dd) for birthday.

UPDATE cycling.cyclist_alt_stats SET birthday = '1987-03-07'
  WHERE id = ed584e99-80f7-4b13-9a90-9dc5571e6821;

Select the date columns from the table.

SELECT first_race, last_race, birthday FROM cycling.cyclist_alt_stats
  WHERE id = ed584e99-80f7-4b13-9a90-9dc5571e6821;
Results
WARNING: cqlsh was built against 5.0-beta1, but this server is 5.0.  All features may not work!

 first_race | last_race  | birthday
------------+------------+------------
 2006-03-15 | 2024-06-21 | 1989-07-05

(1 rows)

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