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Question

在我的ColdFusion 11网站（与SQL Server 2008 R2），以下CFQUERY抛出上述错误：

<cfquery name="deleteGrantModificationItems" datasource="#dsource#"> 
    DELETE col_key FROM myTable 
    WHERE col_key = <cfqueryPARAM value = "#appkey#" CFSQLType = "CF_SQL_VARCHAR"> 
</cfquery> 

当我运行SQL事件探查器捕获查询，我得到：

Declare @p1 int 
Set @p1=NULL 
exec sp_prepexec @p1 output,N'@P1 varchar(8000)',N'DELETE col_key FROM myTable 
WHERE col_key = @P1 ','000000001644' 
select @p1 

当我运行在查询分析器上面，我得到以下错误：

Msg 208, Level 16, State 1, Line 1 
Invalid object name 'col_key'. 
Msg 8180, Level 16, State 1, Procedure sp_prepexec, Line 1 
Statement(s) could not be prepared. 

我一直无法找到错误的原因。

Answer 1

你有一个语法错误，因为你应该使用DELETE FROM table_name ...像：

<cfquery name="deleteGrantModificationItems" datasource="#dsource#"> 
    DELETE FROM myTable 
    WHERE col_key = <cfqueryPARAM value = "#appkey#" CFSQLType = "CF_SQL_VARCHAR"> 
</cfquery> 

DELETE doc：

[ WITH [ ,...n ] ] DELETE

[ TOP (expression) [ PERCENT ] ]

[ FROM ]