oracle:
select * from tab where rownum <= 10;
sql server:
select top 10 * from tab
mysql:
select * from tab limit 10
db2:
select * from tab fetch first 10 rows only
如何获取数据前十条?分别用oracle ,sql server,和mysql
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转载自blog.csdn.net/u012045045/article/details/85267800
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