MySQL - QUARTER() Function

The DATE, DATETIME and TIMESTAMP datatypes in MySQL are used to store the date, date and time, time stamp values respectively. Where a time stamp is a numerical value representing the number of milliseconds from '1970-01-01 00:00:01' UTC (epoch) to the specified time. MySQL provides a set of functions to manipulate these values.

The MYSQL QUARTER() function is used to retrieve and return the quarter year of the given date or, date time expression. This function returns a numerical value ranging from 1 to 4.

Syntax

Following is the syntax of the above function –

QUARTER(date);

Where, date is the date value from which you need to retrieve the quarter.

Example 1

Following example demonstrates the usage of the QUARTER() function –

mysql> SELECT QUARTER('2019-05-25');
+-----------------------+
| QUARTER('2019-05-25') |
+-----------------------+
|                     2 |
+-----------------------+
1 row in set (0.00 sec)

Example 2

Following is another example of this function –

mysql> SELECT QUARTER('2008-09-17');
+-----------------------+
| QUARTER('2008-09-17') |
+-----------------------+
|                     3 |
+-----------------------+
1 row in set (0.00 sec)

Example 3

If the month value in the given date is 0 this function returns 0 —

mysql> SELECT QUARTER('0000-00-07');
+-----------------------+
| QUARTER('0000-00-07') |
+-----------------------+
|                     0 |
+-----------------------+
1 row in set (0.00 sec)
mysql> SELECT QUARTER('2012-00-07');
+-----------------------+
| QUARTER('2012-00-07') |
+-----------------------+
|                     0 |
+-----------------------+
1 row in set (0.00 sec)

Example 4

If you pass an empty string or a non-string value as an argument this function returns NULL.

mysql> SELECT QUARTER('');
+-------------+
| QUARTER('') |
+-------------+
|        NULL |
+-------------+
1 row in set, 1 warning (0.00 sec)
mysql> SELECT QUARTER(1990-11-11);
+---------------------+
| QUARTER(1990-11-11) |
+---------------------+
|                NULL |
+---------------------+
1 row in set, 1 warning (0.00 sec)

Example 5

We can also pass the date-time expression as an argument to this function –

mysql> SELECT QUARTER('2015-09-05 09:40:45.2300');
+-------------------------------------+
| QUARTER('2015-09-05 09:40:45.2300') |
+-------------------------------------+
|                                   3 |
+-------------------------------------+
1 row in set (0.00 sec)

Example 6

In the following example we are retrieving the quarter of the year from the current date —

+--------------------+
| QUARTER(CURDATE()) |
+--------------------+
|                  3 |
+--------------------+
1 row in set (0.00 sec)

Example 7

In the following example we are retrieving the quarter of the year from the current timestamp —

mysql> SELECT QUARTER(CURRENT_TIMESTAMP());
+------------------------------+
| QUARTER(CURRENT_TIMESTAMP()) |
+------------------------------+
|                            3 |
+------------------------------+
1 row in set (0.00 sec)

Example 8

You can also pass the column name as an argument to this function. Let us create a table with name MyPlayers in MySQL database using CREATE statement as shown below –

mysql> CREATE TABLE MyPlayers(
	ID INT,
	First_Name VARCHAR(255),
	Last_Name VARCHAR(255),
	Date_Of_Birth date,
	Place_Of_Birth VARCHAR(255),
	Country VARCHAR(255),
	PRIMARY KEY (ID)
);
Now, we will insert 7 records in MyPlayers table using INSERT statements:
mysql> insert into MyPlayers values(1, 'Shikhar', 'Dhawan', DATE('1981-12-05'), 'Delhi', 'India');
mysql> insert into MyPlayers values(2, 'Jonathan', 'Trott', DATE('1981-04-22'), 'CapeTown', 'SouthAfrica');
mysql> insert into MyPlayers values(3, 'Kumara', 'Sangakkara', DATE('1977-10-27'), 'Matale', 'Srilanka');
mysql> insert into MyPlayers values(4, 'Virat', 'Kohli', DATE('1988-11-05'), 'Delhi', 'India');
mysql> insert into MyPlayers values(5, 'Rohit', 'Sharma', DATE('1987-04-30'), 'Nagpur', 'India');
mysql> insert into MyPlayers values(6, 'Ravindra', 'Jadeja', DATE('1988-12-06'), 'Nagpur', 'India');
mysql> insert into MyPlayers values(7, 'James', 'Anderson', DATE('1982-06-30'), 'Burnley', 'England');

Following query retrieves and prints the quarter of the year from all the entities of the Date_Of_Birth column of the table MyPlayers —

mysql> SELECT First_Name, Last_Name, Date_Of_Birth, Country,
QUARTER(Date_Of_Birth) FROM MyPlayers;
+------------+------------+---------------+-------------+------------------------+
| First_Name | Last_Name  | Date_Of_Birth | Country     | QUARTER(Date_Of_Birth) |
+------------+------------+---------------+-------------+------------------------+
| Shikhar    | Dhawan     | 1981-12-05    | India       | 4                      |
| Jonathan   | Trott      | 1981-04-22    | SouthAfrica | 2                      |
| Kumara     | Sangakkara | 1977-10-27    | Srilanka    | 4                      |
| Virat      | Kohli      | 1988-11-05    | India       | 4                      |
| Rohit      | Sharma     | 1987-04-30    | India       | 2                      |
| Ravindra   | Jadeja     | 1988-12-06    | India       | 4                      |
| James      | Anderson   | 1982-06-30    | England     | 2                      |
+------------+------------+---------------+-------------+------------------------+
7 rows in set (0.00 sec)

Example 9

Suppose we have created a table named dispatches_data with 5 records in it using the following queries –

mysql> CREATE TABLE dispatches_data(
	ProductName VARCHAR(255),
	CustomerName VARCHAR(255),
	DispatchTimeStamp timestamp,
	Price INT,
	Location VARCHAR(255)
);
insert into dispatches_data values('Key-Board', 'Raja', TIMESTAMP('2019-05-04', '15:02:45'), 7000, 'Hyderabad');
insert into dispatches_data values('Earphones', 'Roja', TIMESTAMP('2019-06-26', '14:13:12'), 2000, 'Vishakhapatnam');
insert into dispatches_data values('Mouse', 'Puja', TIMESTAMP('2019-12-07', '07:50:37'), 3000, 'Vijayawada');
insert into dispatches_data values('Mobile', 'Vanaja' , TIMESTAMP ('2018-03-21', '16:00:45'), 9000, 'Chennai');
insert into dispatches_data values('Headset', 'Jalaja' , TIMESTAMP('2018-12-30', '10:49:27'), 6000, 'Goa');

Following query retrieves the quarter of the year values from the DispatchTimeStamp column —

mysql> SELECT ProductName, CustomerName, DispatchTimeStamp, Price,
QUARTER(DispatchTimeStamp) FROM dispatches_data;
+-------------+--------------+---------------------+-------+----------------------------+
| ProductName | CustomerName | DispatchTimeStamp   | Price | QUARTER(DispatchTimeStamp) |
+-------------+--------------+---------------------+-------+----------------------------+
| Key-Board   | Raja         | 2019-05-04 15:02:45 | 7000  |                          2 |
| Earphones   | Roja         | 2019-06-26 14:13:12 | 2000  |                          2 |
| Mouse       | Puja         | 2019-12-07 07:50:37 | 3000  |                          4 |
| Mobile      | Vanaja       | 2018-03-21 16:00:45 | 9000  |                          1 |
| Headset     | Jalaja       | 2018-12-30 10:49:27 | 6000  |                          4 |
+-------------+--------------+---------------------+-------+----------------------------+
5 rows in set (0.00 sec)

Example 10

Suppose we have created a table named SubscriberDetails with 5 records in it using the following queries –

mysql> CREATE TABLE SubscriberDetails (
	SubscriberName VARCHAR(255),
	PackageName VARCHAR(255),
	SubscriptionTimeStamp timestamp
);
insert into SubscriberDetails values('Raja', 'Premium', TimeStamp('2020-10-21 20:53:49'));
insert into SubscriberDetails values('Roja', 'Basic', TimeStamp('2020-11-26 10:13:19'));
insert into SubscriberDetails values('Puja', 'Moderate', TimeStamp('2021-03-07 05:43:20'));
insert into SubscriberDetails values('Vanaja', 'Basic', TimeStamp('2021-02-21 16:36:39'));
insert into SubscriberDetails values('Jalaja', 'Premium', TimeStamp('2021-01-30 12:45:45'));

Following query retrieves and displays the quarter of the subscription year for all the records —

mysql> SELECT SubscriberName, PackageName, SubscriptionTimeStamp,
QUARTER(SubscriptionTimeStamp) FROM SubscriberDetails;
+----------------+-------------+-----------------------+--------------------------------+
| SubscriberName | PackageName | SubscriptionTimeStamp | QUARTER(SubscriptionTimeStamp) |
+----------------+-------------+-----------------------+--------------------------------+
| Ram            | Premium     | 2020-10-21 20:53:49   |                              4 |
| Rahman         | Basic       | 2020-11-26 10:13:19   |                              4 |
| Robert         | Moderate    | 2021-03-07 05:43:20   |                              1 |
| Radha          | Basic       | 2021-02-21 16:36:39   |                              1 |
| Rajiya         | Premium     | 2021-01-30 12:45:45   |                              1 |
+----------------+-------------+-----------------------+--------------------------------+
5 rows in set (0.00 sec)
mysql-date-time-functions.htm
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