与过去几十年出现的大多数数据库一样,SQL Server允许开发人员通过创建函数来扩展数据库。但在即将发布的SQL Server 2019之前,SQL Server在执行标量函数时,速度要慢1000倍。 与过去几十年出现的大多数数据库一样,SQL Server允许开发人员通过创建函数来扩展数据库。但在即将发布的SQL Server 2019之前,SQL Server对标量...
Hi Support, Our SQL server version is 2019 and check the compatibility level is 150, but it still have error "Invalid object name 'STRING_SPLIT' ". We also tried the case sensitive according to this link, both of them have the same error. …
https://docs.microsoft.com/zh-cn/sql/t-sql/functions/string-split-transact-sql?f1url=%3FappId%3DDev15IDEF1%26l%3DZH-CN%26k%3Dk(String_Split);k(DevLang-TSQL)%26rd%3Dtrue&view=sql-server-ver15docs.microsoft.com/zh-cn/sql/t-sql/functions/string-split-transact-sql?f1url=%3FappId...
sql server 2019: 1 2 3 4 5 6 7 8 declare@studentidchar(5),@result nvarchar(2000) set@studentid=@StudentGradeId;-- 学生编号 set@result=@resultAwsert; insertinto#TempSubString(studentid,subname) SELECT@studentid,[value]FROMSTRING_SPLIT(@result,','); -- 每题的得分 考虑,是否存在记录,...
exec (@sql) if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[f_splitSTR]') and xtype in (N'FN', N'IF', N'TF')) drop function [dbo].[f_splitSTR] GO --方法1:循环截取法 CREATE FUNCTION f_splitSTR( ...
相比较第一种正则函数的方法,普通的sql函数比较通用化,各个版本都支持。但写法稍复杂 select substr(inlst, instr(inlst, ',', 1, rownum) +1, instr(inlst, ',', 1, rownum +1) - instr(inlst, ',', 1, rownum) -1) from (select ',' || '1,25,3,ftet775##,8,6,9,' || ',' ...
SQL Server中却没有自带Split函数,所以要自己来实现了。 代码语言:javascript 代码运行次数:0 AI代码解释 --===--Author:chenlong--Create date:2015-02-02--Description:根据逗号分隔拆分字符串,返回table--===ALTERFUNCTION[dbo].[fn_SplitString](@Inputnvarchar(max),--输入字符串 @Separatornvarchar(max)...
SELECT 1,'mssql','sqlserver2016,sqlserver2019,sqlserver2022' UNION ALL SELECT 2,'oracle','oracle11g,oracle12c,mysql8.4' ) SELECT ProductId, NameInfo, Tags FROM Product WHERE 'sqlserver2022' IN (SELECT value FROM STRING_SPLIT(Tags, ',')); ...
SQL Server 2016 引入了一个新的内置表值函数STRING_SPLIT,它将指定的分隔字符拆分提供的输入字符串,并以 table 的形式返回输出分隔值,每个分隔符之间的每个分隔值都有一行。 STRING_SPLIT 函数有两个参数: STRING_SPLIT (字符串,分隔符) 该字符串是具有 char,nchar,varchar 或 nvarchar 数据类型的字符表达式。分...
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