深圳贝格动力有限公司:求:SQL语句解析

来源:百度文库 编辑:高考问答 时间:2024/05/02 09:01:14
<p>"SELECT * FROM rulefile WHERE dept like <span class="STYLE1">'" + Replace(Re__MMColParam2, "'", "''") + "'</span> and company = <span class="STYLE1">'" + Replace(Re__MMColParam, "'", "''") + "'</span> ORDER BY filename ASC"<br />
请大家帮忙分解一下<span class="STYLE1">'" + Replace(Re__MMColParam, "'", "''") + "'</span>这个字段代表什么意思。非常感谢</p>
"SELECT * FROM rulefile WHERE dept like '" + Replace(Re__MMColParam2, "'", "''") + "' and company = '" + Replace(Re__MMColParam, "'", "''") + "' ORDER BY filename ASC"
请大家帮忙分解一下:
'" + Replace(Re__MMColParam, "'", "''") + "'这个字段代表什么意思。非常感谢

替换变量Re__MMColParam中的单引号变为两个单引号,这样做是为了防止变量中的特殊符号破坏SQL语句

这是一个替换语名