Synthesizing Dates or Times Using Formatting Functions : DATE « Date Time « SQL / MySQL






Synthesizing Dates or Times Using Formatting Functions

     
mysql>
mysql> CREATE TABLE date_val
    -> (
    ->  d       DATE
    -> );
Query OK, 0 rows affected (0.00 sec)

mysql>
mysql> INSERT INTO date_val (d) VALUES('1864-02-28');
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO date_val (d) VALUES('1900-01-15');
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO date_val (d) VALUES('1987-03-05');
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO date_val (d) VALUES('1999-12-31');
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO date_val (d) VALUES('2000-06-04');
Query OK, 1 row affected (0.00 sec)

mysql>
mysql> SELECT d, DATE_FORMAT(d,'%Y-%m-01') FROM date_val;
+------------+---------------------------+
| d          | DATE_FORMAT(d,'%Y-%m-01') |
+------------+---------------------------+
| 1864-02-28 | 1864-02-01                |
| 1900-01-15 | 1900-01-01                |
| 1987-03-05 | 1987-03-01                |
| 1999-12-31 | 1999-12-01                |
| 2000-06-04 | 2000-06-01                |
+------------+---------------------------+
5 rows in set (0.00 sec)

mysql>
mysql> drop table date_val;
Query OK, 0 rows affected (0.00 sec)

   
    
    
    
    
  








Related examples in the same category

1.Extract just the date: DATE()
2.Treating Dates or Times as Numbers
3.Synthesizing Dates or Times Using Component-Extraction Functions
4.Date-Based Sorting
5.Date-Based Summaries
6.Add an incorrect date to a special table and show the result.