Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind MySQL RAND() 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.
___ RAND();3Order
Put the learning moves in the order that makes the concept easiest to apply.
The RAND() function returns a random number between 0 (inclusive) and 1 (exclusive).
Definition and Usage
MySQL RAND() Function
Example
SELECT RAND();Definition and Usage
The RAND() function returns a random number between 0 (inclusive) and 1 (exclusive).
Syntax
RAND(
seed
)Parameter Values
| Parameter | Description |
|---|---|
| seed | Optional. If seed is specified, it returns a repeatable sequence of random numbers. If no seed is specified, it returns a completely random number |
Technical Details
| Works in: | From MySQL 4.0 |
|---|