Fetch random records from the table using NewID() function

Fetch random records from the table using NewID() function

Query: Am having 10000 records and I need some 2000 random records. How can I fetch the same? Answer:

This can be acheived using NEWID() function. NewID() will try to generate a unique id of 32 bit length. (Ex value A1E7AB10-3E0C-4685-9FEE-00239FB80F4F)
 
 

---------Am creating a sample table and insert the records into the table

 

DROP TABLE VENKAT_TABLE

 

GO

 

CREATE TABLE VENKAT_TABLE (ID INT IDENTITY(0,1))

 

GO

 

 INSERT INTO VENKAT_TABLE DEFAULT VALUES

 

GO 1000

 

------- Inserting 1000 records into the table

 

SELECT * FROM VENKAT_TABLE

--------- Query to fetch random 100 records from the table.

SELECT TOP 100 * FROM VENKAT_TABLE ORDER BY NEWID()

 

Cheers,
 Venkatesan Prabu .J
 
http://kaashivinfotech.com/