SqlServer中使用参数传递前N条条件

declare @topN int ; select @topN=10; select top (@topN) * from TableName 一定要用() 否则无效 SQL 参数 decla本文来源gaodai#ma#com搞@代~码^网+re @topN int; select @topN = 10; select top (@topN) * from TableName

1. declare @topN int;
2. select @topN = 10;
4. select top (@topN) * from TableName

   一定要用() 否则无效

SQL 参数 <style> .CodeEntity .code_pieces ul.piece_anchor{width:25px;position:absolute;top:25px;left:-30px;z-index:1000;} .CodeEntity .code_pieces ul.piece_anchor li{width:25px;background: #efe;margin-bottom:2px;} .CodeEntity .code_pieces ul.piece_anchor li{border-left:3px #40AA63 solid;border-right:3px #efe solid;} .CodeEntity .code_pieces ul.piece_anchor li:hover{border-right:3px #40AA63 solid;border-left:3px #efe solid;} .CodeEntity .code_pieces ul.piece_anchor li a{color: #333;padding: 3px 10px;} .CodeEntity .code_pieces .jump_to_code{visibility:hidden;position:relative;} .CodeEntity .code_pieces .code_piece:hover .jump_to_code{visibility:visible;} .CodeEntity .code_pieces .code_piece:hover .jump_to_code a{text-decoration:none;} .CodeEntity .code_pieces h2 i{float:right;font-style:normal;font-weight:normal;} .CodeEntity .code_pieces h2 i a{font-size:9pt;background: #FFFFFF;color:#00A;padding: 2px 5px;text-decoration:none;} </style> <!—ecms

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declare @topN int;   select @topN = 10;     select top (@topN) * from TableName  

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