select * from dbo.split(@s,1,0) CREATE FUNCTION SPLIT ( @s nvarchar(max), @trimPieces bit, @returnEmptyStrings bit ) returns @t table (val nvarchar(max)) as begin declare @i int, @j int select @i = 0, @j = (len(@s) - len(replace(@s,',',''))) ;with cte as ( sele...
set @sql='select col='''+ replace(@s,',',''' union all select ''')+''' PRINT @sql 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...
WHERE 'sqlserver2022' IN (SELECT value FROM STRING_SPLIT(Tags, ',')); ProductId NameInfo Tags --- --- --- 1 mssql sqlserver2016,sqlserver2019,sqlserver2022 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 6.5.2、查找具有两个指定标记...
SQL SELECTProductId,Name, TagsFROMProductWHEREEXISTS(SELECT*FROMSTRING_SPLIT(Tags,',')WHEREvalueIN('clothing','road')); E. 依據值清單來尋找資料列 開發人員必須建立依據識別碼清單尋找發行項的查詢。 他們可以使用下列查詢: SQL SELECTProductId,Name, TagsFROMProductJOINSTRING_SPLIT('1,2,3',',')ON...
In the 1st part of this post, I explained how to create a partitioned table using a partition function as well as a partition schema. Now I’ll continue talking about how to merge or split partitions changing the partition function and the partition schema an...
Stel dat u gepartitioneerde grafiek tabellen gebruikt in SQL Server 2017 op Linux of Windows. Wanneer u een partitie samen voegt of splitst, zoals met behulp van de instructie ALTER PARTITION FU...
SQL Server 2016 (13.x) and later Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric STRING_SPLITis a table-valued function that splits a string into rows of substrings, based on a specified separator char...
SELECT ProductId, Name, Tags FROM Product WHERE 'clothing' IN (SELECT value FROM STRING_SPLIT(Tags, ',')); Para encontrar productos con dos etiquetas especificadas (clothing y road):SQL Copiar SELECT ProductId, Name, Tags FROM Product WHERE EXISTS (SELECT * FROM STRING_SPLIT(Tags, ','...
4.FIND_IN_SET() FIND_IN_SET()则是一种更高级的函数,它用于在逗号分隔的列表中查找值。 SELECT FIND_IN_SET('b','a,b,c,d') as Result; 以上SQL 会返回 'b' 在 'a,b,c,d' 中的位置,结果为 2。 SQL Server 中鲜为人知的字符串分割函数 ...
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...