How to request a random row in SQL?

SELECT TOP 10 [NAME]
,[ROLL_NO]
,[PASS_YEAR]
,[BOARD_NAME]
,[SSC_ROLLNO]
,[SSC_PASSYR]
,[SSC_BOARD]
FROM [Admission2015].[dbo].[DHKH2015] ORDER BY NEWID()

Select a random row with MySQL:

SELECT column FROM table
ORDER BY RAND()
LIMIT 1

Select a random row with PostgreSQL:

SELECT column FROM table
ORDER BY RANDOM()
LIMIT 1

Select a random row with Microsoft SQL Server:

SELECT TOP 1 column FROM table
ORDER BY NEWID()

Select a random row with IBM DB2

SELECT column, RAND() as IDX 
FROM table 
ORDER BY IDX FETCH FIRST 1 ROWS ONLY

Select a random record with Oracle:

SELECT column FROM
( SELECT column FROM table
ORDER BY dbms_random.value )
WHERE rownum = 1
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