SELECT TOP 100 * sql="select top 30 * from data where title='"&title1&"' order by id desc" 原意是选出符合“where 条件”的记录集里的“前30条” 但是,对于该SQL语句,由于语句里同时存在where和top语句的,并且where条件列不是合适的索引,程序执行的是全表扫描,首先是查找符合where条件的记录, 而这...
TOP 100是显示前一百条数据。percent百分比，但不是放在语句里这么用，要实现百分数可以乘100，只显示两位小数，并加上||'%'
选前100的比例
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100 Percent=100 取对应表中的100%的记录数据；相当于取全部数据
_loc="locData">Title</_locTag><_locTag _loc="locData">Description</_locTag><_locTag _loc="locData">Author</_locTag><_locTag _loc="locData">ToolTip</_locTag></_locDefinition><CodeSnippet Format="1.0.0"><Header><Title>selecttop100</Title><Shortcut></Shortcut><Description>创建...
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select top 100 * from (select top 100 name as a from syscolumns order by newid()) a,(select top 100 name as b from syscolumns order by newid()) b,(select top 100 name as c from syscolumns order by newid()) c order by newid()与这种格式相 同的格式就可以了 ,不过这么...
sql="Select top 1 * from TABEL where Phone='88888888' order by id DESC"因为是自增长，所以ID最大的就是最后添加进去的，用DESC来控制ID从大到小输出，加上Select top 1来控制取记录的个数,就是相册记录中最后一个！明白思路之后，再结合你的数据表的结构，SQL语句的写法就多了：1.Sql="...