Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind MySQL PERIOD_DIFF() Function?
Lesson checks
Practice each idea before moving on
Short Mimo-style checks built from this lesson's code, terms, and sequence.
1Quick choice
Which statement best captures the main point of this lesson?
2Fill blank
Complete the missing token from the example code.
___ PERIOD_DIFF(201710, 201703);3Order
Put the learning moves in the order that makes the concept easiest to apply.
The PERIOD_DIFF() function returns the difference between two periods.
Definition and Usage
MySQL PERIOD_DIFF() Function
Example
SELECT PERIOD_DIFF(201710, 201703);Definition and Usage
The PERIOD_DIFF() function returns the difference between two periods. The result will be in months.
Note
period1 and period2 should be in the same format.
Syntax
PERIOD_DIFF(
period1
,
period2
)Parameter Values
| Parameter | Description |
|---|---|
| period1 | Required. A period. Format: YYMM or YYYYMM |
| period2 | Required. Another period. Format: YYMM or YYYYMM |
Technical Details
| Works in: | From MySQL 4.0 |
|---|