SELECT TOP N * FROM 表名 ORDER BY NEWID()
My SQL
SELECT * FROM 表名 ORDER BY RAND() LIMIT N
Oracle
SELECT * FROM
(
SELECT * FROM 表名
ORDER BY DBMS_RANDOM.VALUE
)
WHERE ROWNUM < = N;
SQL Server
(
SELECT * FROM 表名
ORDER BY DBMS_RANDOM.VALUE
)
WHERE ROWNUM < = N;
(
SELECT * FROM 表名
ORDER BY DBMS_RANDOM.VALUE
)
WHERE ROWNUM < = N;
转载于:https://www.cnblogs.com/enzo/archive/2010/08/06/1794438.html
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