各個數(shù)據(jù)庫獲取隨機列的語法_MySQL

各個數(shù)據(jù)庫獲取隨機列的語法

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各個數(shù)據(jù)庫獲取隨機列的語法

MySQL

SELECT column FROM table ORDER BY RAND() LIMIT 10

Oracle

SELECT column FROM( SELECT column FROM table ORDER BY dbms_random.value ) WHERE rownum <= 10

PostgreSQL

SELECT column FROM table ORDER BY RANDOM() LIMIT 10

SQL Server

SELECT TOP 10 column FROM table ORDER BY NEWID()

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