WHERE DATE_ADD(d,INTERVAL 6 MONTH) >= CURDATE( ); : DATE_ADD « Date Time « SQL / MySQL






  1. SQL / MySQL
  2. Date Time
  3. DATE_ADD

WHERE DATE_ADD(d,INTERVAL 6 MONTH) >= CURDATE( );

     
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 FROM date_val WHERE DATE_ADD(d,INTERVAL 6 MONTH) >= CURDATE( );
Empty set (0.00 sec)

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

mysql>
mysql>








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