MySQL By Week

In this section, you will learn about the MySQL By Week. If you want to get some weekly reports of the table data you will use the sql week() function.

MySQL By Week

MySQL By Week

     

In this section, you will learn about the MySQL By Week. If you want to get some weekly reports of the table data you will use the sql week() function.

Week(): MySQL has the function WEEK() which returns a week number. 

For example, 

Query:

SELECT WEEK('2008-01-01',0);

Ouput: 

 

Query: 

SELECT WEEK('2008-01-07',0);

Ouput:

 

Query: 

SELECT WEEK('2008-01-01',1);

Ouput:

 


Query: 

SELECT WEEK('2008-01-07',1);

Ouput:

 

The example below shows you how to use week function in conjunction with group by clause.

Table: employee

CREATE TABLE `employee` ( 
`emp_id` int(11) NOT NULL auto_increment, 
`emp_name` varchar(10) character set utf8 NOT NULL, 
`emp_salary` int(11) NOT NULL, 
`emp_startDate` datetime NOT NULL, 
`dep_name` varchar(50) NOT NULL, 
PRIMARY KEY (`emp_id`) 
)

Data in above table:

Use the week() function through the following Query:

SELECT sum(emp_salary) FROM employee GROUP BY WEEK(emp_startDate);

The above query sums the employee salary according to week of emp_startDate column.

Output:

 

 

Tutorials

  1. SQL Date, SQL Date Examples
  2. Mysql Date in where clause
  3. Mysql Date Part Only
  4. Sql Date and Time Functions
  5. Mysql Date and Time
  6. Mysql Date Greater Then
  7. Mysql Date Get Year
  8. Mysql Date Get Month
  9. Mysql Date Format
  10. Mysql Date Expression
  11. Mysql Date Convert
  12. Sql Date Conversion
  13. Mysql Date Comparison
  14. SQL Date Between
  15. Sql Date and Time Format
  16. Mysql Date Add Year
  17. Mysql Date Add Days
  18. Mysql Date Add
  19. Mysql Date
  20. Mysql Time Zone Conversion
  21. Mysql Date Functions
  22. Mysql Date from Date
  23. Mysql Date Default
  24. Mysql Date Arithmetic
  25. Mysql Date and Time
  26. Mysql Date Today
  27. Mysql Date no Time
  28. Mysql Date Name
  29. Mysql date month name
  30. Mysql Date Month
  31. Mysql Date Minus Days
  32. Mysql Date Minimum
  33. Mysql Date Max
  34. Mysql Date Manipulation
  35. Mysql Date Last 30 Days
  36. MySQL By Date
  37. MySQL By Week
  38. Mysql Now Current DateTime
  39. Mysql Max Date
  40. Mysql last day of month