SQL Server: Which is the Best Way to Generate Random Number

Following are two commonly used methods to generate random numbers. My question is that which one is better and why? I will post your answer on this blog with due credit.

Method-1:
By using RAND () built-in function

DECLARE @n AS INT;
SET @n = 1000;
SELECT CAST(RAND()*@n AS INT) + 1

Method-2:
By using CHECKSUM built-in function

DECLARE @n AS INT;
SET @n = 1000;
SELECT 1+ABS(CHECKSUM(NEWID())) % @n

Read more: Connect SQL

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