求SQL语句，查询当前数据表中的最户10条数据 数据库读取前几条记录的SQL语句大全
\u600e\u6837\u5728sql\u8868\u67e5\u8be2\u6700\u65b010\u6761\u8bb0\u5f55select * from (select top 10 * from \u8868\u540d order by date1) table1 order by date1 desc\u4ee5\u4e0a\u8fd9\u6bb5sql\u8bed\u53e5\u662f\u67e5\u8be2\u8868\u4e2d\u6700\u65b0\u768410\u6761\u8bb0\u5f55
\u7b2c\u4e00\u6b65\u662f\u8981\u6309\u7167\u201c\u65e5\u671f\u201d\u964d\u5e8f\u6392\u5217
\u7b2c\u4e8c\u6b65\u53d6\u524d10\u6761
\u53d6\u524d10\u6761\u8bb0\u5f55\u7684sql\u8bed\u53e5\u5199\u6cd5\uff1a
1\u3001access\uff1a
select top (10) * from table1 where 1=1
2\u3001db2\uff1a
select column from table where 1=1 fetch first 10 rows only
3\u3001mysql\uff1a
select * from table1 where 1=1 limit 10
4\u3001sql server:
\u8bfb\u53d6\u524d10\u6761\uff1aselect top (10) * from table1 where 1=1
\u8bfb\u53d6\u540e10\u6761\uff1aselect top (10) * from table1 order by id desc
5\u3001oracle\uff1a
select * from table1 where rownum<=10
\u6269\u5c55\u8d44\u6599
PL/SQL\u7684\u6d41\u7a0b\u63a7\u5236\u8bed\u53e5,\u5305\u62ec\u5982\u4e0b\u4e09\u7c7b:
l \u63a7\u5236\u8bed\u53e5: IF \u8bed\u53e5
l \u5faa\u73af\u8bed\u53e5: LOOP\u8bed\u53e5, EXIT\u8bed\u53e5
l \u987a\u5e8f\u8bed\u53e5: GOTO\u8bed\u53e5, NULL\u8bed\u53e5
\u6761\u4ef6\u8bed\u53e5\uff1a
IF THEN
PL/SQL \u548c SQL\u8bed\u53e5
END IF;
IF THEN
PL/SQL \u548c SQL\u8bed\u53e5
ELSE
\u5176\u5b83\u8bed\u53e5
END IF;
IF THEN
PL/SQL \u548c SQL\u8bed\u53e5
ELSIF THEN
\u5176\u5b83\u8bed\u53e5
ELSIF THEN
\u5176\u5b83\u8bed\u53e5
ELSE
\u5176\u5b83\u8bed\u53e5
END IF;
select top 10 * from table order by 排序字段 desc
select top 10 *from 表 order by 表ID desc 倒序
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绛旓細SELECT COUNT(*) FROM 琛ㄥ悕
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