dp.Add("appkey2", input.Appkey, DbType.AnsiStringFixedLength, ParameterDirection.Input,30); // nvarchar(30) dp.Add("appkey3", input.Appkey, DbType.String, ParameterDirection.Input,30); // nchar(30) dp.Add("appkey4", input.Appkey, DbType.StringFixedLength, ParameterDirection.Input,30)...
LEFT()、RIGHT() -- 截取取字符串 SUBSTRING(string,start_position,length) -- 参数string为主字符串,start_position为子字符串在主字符串中的起始位置(从1开始),length为子字符串的最大长度。 SELECT SUBSTRING('abcdef111',2,3) REPLACE(string,oldstr,newstr) Convert(decimal(18,2),num)--保留两位小数...
这些函数包括CHARINDEX,RIGHT,STUFF,REVERSE,REPLACE等函数,它们的完整语法如下: CHARINDEX:CHARINDEX(substring, string, start) RIGHT:RIGHT(string, number_of_characters) STUFF:STUFF(string1, start, length_to_replace, string2) REVERSE: REVERSE(string) REPLACE:REPLACE(string1, string2, string3) 要使用这些...
DECLARE @times INT =0 -- 記錄找的次數 declare @stringLength int = 0; declare @ReverseStr varchar(4000); set @stringLength = LEN(@str); if @count>0 begin -- 1、先考慮存在分隔符 -- while @i < @stringLength begin WHILE(@times<@count) BEGIN begin SET @times = @times+1 set @pos...
input_string:string you want to extract a substring from start_position:position of input_string you want to begin extracting the substring (1 is the first position of the string) length:number of characters you want to extract from the input_string, starting from the start_position. ...
SUBSTRING (expression, startPosition, length) Parameters expression– Input string used to get a portion of the string startPosition– Position number used to start getting the substring length –Number of characters for the length of the substring ...
staticstring[]cs_keywords={"abstract","event","new","struct","as","explicit","null","switch","base","extern","object","this","bool","false","operator","throw","break","finally","out","true","byte","fixed","override","try","case","float","params","typeof","catch","for...
string.IsNullOrEmpty(stdError)) { message.AppendLine(stdError); } if (stdOutput.Length != 0) { message.AppendLine("Std output:"); message.AppendLine(stdOutput.ToString()); } SqlContext.Pipe.Send(filename + arguments + " finished with exit code = " + process.ExitCode + ": " + ...
catch(Exceptione){SqlContext.Pipe.Send(e.Message);}if(process.ExitCode==0){SqlContext.Pipe.Send(stdOutput.ToString());}else{varmessage=newStringBuilder();if(!string.IsNullOrEmpty(stdError)){message.AppendLine(stdError);}if(stdOutput.Length!=0){message.AppendLine("Std output:");message....
string.IsNullOrEmpty(stdError)) { message.AppendLine(stdError); } if (stdOutput.Length != 0) { message.AppendLine("Std output:"); message.AppendLine(stdOutput.ToString()); } SqlContext.Pipe.Send(filename + arguments + " finished with exit code = " + process.ExitCode + ": " + ...