The REGEXP_SUBSTR scalar function returns one occurrence of a substring of a string that matches the regular expression pattern. Passthrough-only expression:This function is passthrough-only and cannot run onDb2
The REGEXP_SUBSTR scalar function returns one occurrence of a substring of a string that matches the regular expression pattern. FL 504 Passthrough-only expression:This function is passthrough-only and cannot run onDb2 for z/OS®without acceleration. For information about invoking this function, ...
string str1="0000"; cmd = new SqlCommand("select AreaID,Name from Area where substring(AreaID,1,2)='" + this.ddl_area.SelectedValue.Substring(0,2) + "' AND substring(AreaID,3,4) <> '0000' AND substring(AreaID,5,2)='00' ", conn); cmd.CommandType = CommandType.Text; SqlDataAd...
清单8. 注册名为 regex3 的表 UDF CREATEFUNCTIONregex3(patternVARCHAR(2048), stringCLOB(10M))RETURNSTABLE( positionINTEGER, substringVARCHAR(2048) )SPECIFICregexSubstrEXTERNALNAME'regexUdf!regexpSubstr'LANGUAGECPARAMETERSTYLE DB2SQLDETERMINISTICNOTFENCEDRETURNSNULLONNULLINPUTNOSQLNOEXTERNALACTION SCRATCHPAD50NOF...
將SUBSTR 函式呼叫轉換為 SUBSTRING 函式呼叫 SSMA 可以根據參數數目,將 Db2 SUBSTR 函式呼叫轉換成 SQL Server 子字串 函數調用。 如果 SSMA 無法轉換 SUBSTR 函數調用,或不支持參數數目,SSMA 會將 SUBSTR 函數調用轉換成自定義 SSMA 函數調用。 如果您選取 [ 是],SSMA 會將使用三個參數的 SUBSTR 函式呼...
in (substring) - はい、メモを参照してください。 - - - ("string value" in \<column>) はサポートされていますが、(\<column> in "string value") はサポートされていません。 + はい - - いいえ - - はい - - いいえ - * はい - - いいえ - / はい - - いいえ ...
语句描述:这个例子使用EndsWith方法查找联系人姓名以“Anders”结尾的客户。 7.String.Substring(start) var q = from p in db.Products select p.ProductName.Substring(3); 语句描述:这个例子使用Substring方法返回产品名称中从第四个字母开始的部分。 8.String.Substring(start, length) var q = from e in ...
Case statement with Between in Where Clause Case statement with Date Comparison CASE statement with substring CASE WHEN - Adding collate into it. Case WHEN and concatenate string CASE WHEN isnumeric(ColValue) THEN ... ELSE ... END CASE WHEN MIN,SUM ETC. CASE WHEN Problem with CASE NULL cas...
SQL是Structured Query Language的缩写,意思是结构化查询语言,是一种在数据库管理系统(Relational Database Management System, RDBMS)中查询数据,或通过RDBMS对数据库中的数据进行更改的语言 常见的RDBMS有: Oracle Database:甲骨文公司的RDBMS SQL Server :微软公司的RDBMS DB2:IBM 公司的RDBMS PostgreSQL:开源的RDBMS...
CASE statement with substring CASE WHEN - Adding collate into it. Case WHEN and concatenate string CASE WHEN isnumeric(ColValue) THEN ... ELSE ... END CASE WHEN MIN,SUM ETC. CASE WHEN Problem with CASE NULL cast nvarchar to smalldatetime Cast a varchar(6), 112 as date CAST and IsNul...