The substring() function retrieves the first 50 characters from the string value retrieved by the string(). This is a partial result: Másolás ProductModelID Result --- --- 19 <Prod>Our top-of-the-line competition mountain bike.</Prod> 23 <Prod>Suitable for any type of riding, on ...
Transact-SQL reference for the SUBSTRING function. This function returns a portion of a specified character, binary, text, or image expression.
SQL Server 的語法。 syntaxsql 複製 SUBSTRING ( expression , start , length ) Azure SQL Database、Azure SQL 受控實例、Azure Synapse Analytics、Analytics Platform System (PDW) 和 Microsoft Fabric 中的倉儲和 SQL 分析端點的語法。 syntaxsql 複製 SUBSTRING ( expression , start [ , length ] )...
Transact-SQL 語法慣例 語法 syntaxsql 複製 SUBSTRING ( expression, start, length ) 引數 expression 這是字元、二進位、text、ntext 或image 運算式。 start 這是指定傳回之字元開始的整數或 bigint 運算式。 (編號是以 1 為基礎,這表示運算式中的第一個字元為 1)。 如果 start 小於1,傳回的運算...
Transact-SQL reference for the SUBSTRING function. This function returns a portion of a specified character, binary, text, or image expression.
Transact-SQL Syntax ConventionsSyntaxCopy SUBSTRING ( expression ,start , length ) Argumentsexpression Is a character, binary, text, ntext, or image expression. start Is an integer or bigint expression that specifies where the returned characters start. If start is less than 1, the returned ...
REVERSE (Transact-SQL) RIGHT (Transact-SQL) RTRIM (Transact-SQL) SOUNDEX (Transact-SQL) SPACE (Transact-SQL) STR (Transact-SQL) STUFF (Transact-SQL) SUBSTRING (Transact-SQL) UNICODE (Transact-SQL) UPPER (Transact-SQL) System Functions (Transact-SQL) System Statistical Functions (Transact-SQL)...
create function [dbo].[clearhtml] (@maco varchar(8000)) returns varchar(8000)asbegin declare @iintwhile1=1beginset@i=len(@maco)set@maco=replace(@maco, substring(@maco,charindex('<',@maco), charindex('>',@maco)-charindex('<',@maco)+1),space(0))if@i=len( @maco )breakendset@mac...
--1、创建函数createfunction[dbo].[clearhtml] (@macovarchar(8000))returnsvarchar(8000)asbegindeclare@iintwhile1=1beginset@i=len(@maco)set@maco=replace (@maco,substring(@maco,charindex ('<',@maco),charindex('>',@maco)-charindex('<',@maco)+1),space(0))if@i=len(@maco)breakendset@ma...
SQL Server Azure 数据工厂中的 SSIS Integration Runtime 返回字符表达式的一部分,该部分从指定位置开始并具有指定长度。position参数和length参数的取值必须为整数。 语法 SUBSTRING(character_expression, position, length) 参数 character_expression 是从中提取字符的字符表达式。