The Ultimate Guide to High Availability with MariaDB
This is a read-only copy of the MariaDB Knowledgebase generated on 2024-11-15. For the latest, interactive version please visit https://mariadb.com/kb/.

DAYOFMONTH

Sintassi

DAYOFMONTH(data)

Spiegazione

Restituisce il giorno del mese corrispondente alla data specificata, da 1 a 31, o 0 per date come '0000-00-00' o '2008-00-00' che hanno 0 come giorno.

Esempi

MariaDB [(none)]> SELECT DAYOFMONTH('2007-02-03');
+--------------------------+
| DAYOFMONTH('2007-02-03') |
+--------------------------+
|                        3 |
+--------------------------+
1 row in set (0.00 sec)

MariaDB [(none)]> 

CREATE TABLE t1 (d DATETIME);
INSERT INTO t1 VALUES
    ("2007-01-30 21:31:07"),
    ("1983-10-15 06:42:51"),
    ("2011-04-21 12:34:56"),
    ("2011-10-30 06:31:41"),
    ("2011-01-30 14:03:25"),
    ("2004-10-07 11:19:34");

MariaDB [test]> select d from t1 where DAYOFMONTH(d) = 30;
+---------------------+
| d                   |
+---------------------+
| 2007-01-30 21:31:07 |
| 2011-10-30 06:31:41 |
| 2011-01-30 14:03:25 |
+---------------------+
3 rows in set (0.00 sec)
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