SQL Reference: Date Time Functions
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IntroductionWhile Hornbill measures intrinsically operate on the basis of arranging date within a specific time period (day/week/month/year), when creating certain types of widgets, there may be occasions when you wish to only return data from a specific time frame. SQL date functions help us do this. The date time functions are only relevant to columns that hold a date/time stamp and would be used in your "WHERE" clause criteria. |
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Date Functions
| Requirement | SQL Function |
|---|---|
| Since First Day of this month | LAST_DAY(NOW() - INTERVAL 1 MONTH) + INTERVAL 1 DAY |
| Since Last Day of this month | LAST_DAY(NOW()) |
| Since First Day of last month | LAST_DAY(NOW() - INTERVAL 2 MONTH) + INTERVAL 1 DAY |
| Since Last Day of last month | LAST_DAY(NOW() - INTERVAL 1 MONTH) |
| Requirement | SQL Function |
|---|---|
| Since First Day of Last Week (Sunday) | CURDATE() - INTERVAL DAYOFWEEK(CURDATE())+6 DAY |
| Since Last Day of Last Week (Saturday) | CURDATE() - INTERVAL DAYOFWEEK(CURDATE())-1 DAY |
| Requirement | SQL Function |
|---|---|
| Show Last 10 Days Records | DATE_SUB(CURDATE(), INTERVAL 10 DAY) |
| Show Last 1 Months Records | DATE_SUB(CURDATE(), INTERVAL 1 MONTH) |
| Requirement | SQL Function |
|---|---|
| Show Todays Records | curdate() |
| Show Yesterdays Records | DATE_SUB(CURDATE(), INTERVAL 1 DAY) and h_datelogged < curdate() |
| Requirement | SQL Function |
|---|---|
| Calls logged so far this week (from Sunday) | curdate() - INTERVAL DAYOFWEEK(curdate()) -1 DAY |
| Requirement | SQL Function |
|---|---|
| Add 24 hours from now | DATE_ADD(NOW(), INTERVAL 1 DAY) |
Source: https://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html