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SQL•SQL References

SQL Server RAND() Function

Flash cards

Review the key moves

1/4
Core idea

What is the main idea behind SQL Server 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
SQL Server 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

ParameterDescription
seedOptional. 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:SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse

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