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== DAYOFMONTH("2001-11-00");==



<source lang="sql">
mysql>
mysql>
mysql> SELECT DAYOFMONTH("2001-11-00");
+--------------------------+
| DAYOFMONTH("2001-11-00") |
+--------------------------+
| 0 |
+--------------------------+
1 row in set (0.00 sec)
mysql></source>

== DAYOFMONTH(date) returns the day of the month for a given date.==



<source lang="sql">
mysql>
mysql> SELECT DAYOFMONTH(20000201);
+----------------------+
| DAYOFMONTH(20000201) |
+----------------------+
| 1 |
+----------------------+
1 row in set (0.00 sec)
mysql> SELECT DAYOFMONTH("00-02-01");
+------------------------+
| DAYOFMONTH("00-02-01") |
+------------------------+
| 1 |
+------------------------+
1 row in set (0.00 sec)
mysql></source>

== DAYOFMONTH(date) returns the day of the month for date, in the range 0 to 31.==

<p>DAY() is a synonym for DAYOFMONTH().</p>



<source lang="sql">
mysql>
mysql> SELECT DAYOFMONTH("1998-02-03");
+--------------------------+
| DAYOFMONTH("1998-02-03") |
+--------------------------+
| 3 |
+--------------------------+
1 row in set (0.00 sec)
mysql></source>

== Get DAYOFMONTH of start date==



<source lang="sql">
mysql>
mysql>
mysql> CREATE TABLE Employee(
-> id int,
-> first_name VARCHAR(15),
-> last_name VARCHAR(15),
-> start_date DATE,
-> end_date DATE,
-> salary FLOAT(8,2),
-> city VARCHAR(10),
-> description VARCHAR(15)
-> );
Query OK, 0 rows affected (0.01 sec)
mysql>
mysql>
mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values (1,"Jason", "Martin", "19960725", "20060725", 1234.56, "Toronto", "Programmer");
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(2,"Alison", "Mathews", "19760321", "19860221", 6661.78, "Vancouver","Tester");
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(3,"James", "Smith", "19781212", "19900315", 6544.78, "Vancouver","Tester");
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(4,"Celia", "Rice", "19821024", "19990421", 2344.78, "Vancouver","Manager");
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(5,"Robert", "Black", "19840115", "19980808", 2334.78, "Vancouver","Tester");
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(6,"Linda", "Green", "19870730", "19960104", 4322.78,"New York", "Tester");
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(7,"David", "Larry", "19901231", "19980212", 7897.78,"New York", "Manager");
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(8,"James", "Cat", "19960917", "20020415", 1232.78,"Vancouver", "Tester");
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> select * from Employee;
+------+------------+-----------+------------+------------+---------+-----------+-------------+
| id | first_name | last_name | start_date | end_date | salary | city | description |
+------+------------+-----------+------------+------------+---------+-----------+-------------+
| 1 | Jason | Martin | 1996-07-25 | 2006-07-25 | 1234.56 | Toronto | Programmer |
| 2 | Alison | Mathews | 1976-03-21 | 1986-02-21 | 6661.78 | Vancouver | Tester |
| 3 | James | Smith | 1978-12-12 | 1990-03-15 | 6544.78 | Vancouver | Tester |
| 4 | Celia | Rice | 1982-10-24 | 1999-04-21 | 2344.78 | Vancouver | Manager |
| 5 | Robert | Black | 1984-01-15 | 1998-08-08 | 2334.78 | Vancouver | Tester |
| 6 | Linda | Green | 1987-07-30 | 1996-01-04 | 4322.78 | New York | Tester |
| 7 | David | Larry | 1990-12-31 | 1998-02-12 | 7897.78 | New York | Manager |
| 8 | James | Cat | 1996-09-17 | 2002-04-15 | 1232.78 | Vancouver | Tester |
+------+------------+-----------+------------+------------+---------+-----------+-------------+
8 rows in set (0.00 sec)
mysql>
mysql>
mysql> select start_date, DAYOFMONTH(start_date) from Employee;
+------------+------------------------+
| start_date | DAYOFMONTH(start_date) |
+------------+------------------------+
| 1996-07-25 | 25 |
| 1976-03-21 | 21 |
| 1978-12-12 | 12 |
| 1982-10-24 | 24 |
| 1984-01-15 | 15 |
| 1987-07-30 | 30 |
| 1990-12-31 | 31 |
| 1996-09-17 | 17 |
+------------+------------------------+
8 rows in set (0.00 sec)
mysql>
mysql>
mysql>
mysql> drop table Employee;
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql></source>

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в 13:44, 26 мая 2010

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