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To get a random row from a PostgreSQL database you need to use the RANDOM() function. This is similar to the MySQL function RAND() and will generate a new random number for each row and order them by that new number. This is used in conjunction with the LIMIT clause to limit the amount of returned rows to one.

SELECT value FROM table ORDER BY RANDOM() LIMIT 1

To get a random row from a Microsoft SQL database you need to use the NEWID() function. This will generate a new random number for each row and order them by that new number. This is used in conjunction with the TOP clause to limit the amount of returned rows to one.

SELECT TOP 1 value FROM table ORDER BY NEWID()

Getting a random row from a MySQL table requires the use of the RAND() function in the ORDER BY clause of the SELECT statement. This will generate a new random number for each row and order them by that new number. In order to get a single row this is combined with the LIMIT clause to limit the result to a single row.

SELECT * FROM theTable ORDER BY RAND() LIMIT 1;