1. mysql :
SELECT * FROM Member WHERE Country = "HK"ORDERBY RAND() limit 30
2. oracle :
select id from tableName where rownum<100 order by dbms_random.value
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1. mysql :
SELECT * FROM Member WHERE Country = "HK"ORDERBY RAND() limit 30
2. oracle :
select id from tableName where rownum<100 order by dbms_random.value
相关文章：