Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind SQL Server DIFFERENCE() 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.
___ DIFFERENCE('Juice', 'Jucy');3Order
Put the learning moves in the order that makes the concept easiest to apply.
The DIFFERENCE() function compares two SOUNDEX values, and returns an integer.
Definition and Usage
SQL Server DIFFERENCE() Function
Example
SELECT DIFFERENCE('Juice', 'Jucy');Definition and Usage
The DIFFERENCE() function compares two SOUNDEX values, and returns an integer. The integer value indicates the match for the two SOUNDEX values, from 0 to 4.
0 indicates weak or no similarity between the SOUNDEX values. 4 indicates strong similarity or identically SOUNDEX values.
Tip
Also look at the SOUNDEX() function.
Syntax
DIFFERENCE(
expression, expression
)Parameter Values
| Parameter | Description |
|---|---|
| expression, expression | Required. Two expressions to be compared. Can be a constant, variable, or column |
Technical Details
| Works in: | SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse |
|---|