CommaSeparatedValues) VALUES (1, 'A,B,C,D'), (2, 'E,F,G'), (3, 'H,I,J,K,L') -- 使用动态SQL将逗号分隔的列转换为多列 DECLARE @DynamicSQL NVARCHAR(MAX) DECLARE @Columns NVARCHAR(MAX) -- 获取所有可能的列名 SELECT @Columns ...
sql-server 是否按分隔符将T-SQL字符串拆分为列?如您所知,parsename()仅限于4个位置。以下是JSON选...
As seen in above SQL query, concatenated string data in database table columns can be splitted using the sample split string function and Cross Apply. The output of the query is as follows. In this T-SQL split sample code, SQL programmers can see how easy is to use the XML in split s...
13 COMPRESS和DECOMPRESS函数 14 STRING_SPLIT函数 15 LIKE谓词 2.7.2 日期和时间常量 SQL Server不同日期和时间的常量表示方法,相反,它允许用户指定可以被显式或隐式转换为日期和时间数据类型的不同类型常量。 使用字符串表示日期和时间值是最好的做法。 2.7.3 独立使用日期和时间 SQL Server 2008引入了独立的DATE...
Complex string_split / PIVOT challenge Compose an Email Composite key and clustered index Composite Primary Key with Auto Increment Column COMPUTED COLUMN using deterministic UDF cannot be persisted Computed Columns in Table Variables or Table Types computed table cannot be persisted because the column ...
INSERT INTO [t_IDNotContinuous] ([ID],[ValuesString]) VALUES ( 1,'test') SET IDENTITY_INSERT [t_IDNotContinuous] OFF 启用SQL Server 的 sa 登录模式 ALTER LOGIN sa ENABLE ; GO ALTER LOGIN sa WITH PASSWORD = '123456' ; GO 插入Guid 类型的主键插入一个随机的 Guid 值。 insert into ...
fetch next from #aa into @name end close #aa deallocate #aa 4、 声明,此函数是csdn邹建邹老大提供的 三、 分隔字符串 如果有一个用逗号分割开的字符串,比如说"a,b,c,d,1,2,3,4",如何用t-sql获取这个字符串有几个元素,获取第几个元素的值是多少呢?因为t-sql里没有split函数,也没有数组的概念...
using System; using System.IO; using System.Data; using System.Data.SqlClient; using System.Text; using System.Collections; namespace SplitTester { class SplitTester { static void Main(string[] args) { DataTable dt_pure = new DataTable(); dt_pure.Columns.Add("Item", typeof(string));...
CREATE TABLE Arrays ( arrid INT NOT NULL IDENTITY PRIMARY KEY, array VARCHAR(7999) NOT NULL ) INSERT INTO Arrays VALUES('') INSERT INTO Arrays VALUES('10') INSERT INTO Arrays VALUES('20,40,30') INSERT INTO Arrays VALUES('-1,-3,-5') Next, create the fn_splitarr table-valued funct...
INTO #YEAR_LIST FROM dbo.DelimitedSplit8K(@ReportYear,',') --Main Dataset SELECT P.FirstName + ' ' + P.LastName AS Employee ,DATEPART(Year, SOH.OrderDate) AS Year ,DATEPART(Month, SOH.OrderDate) AS MonthNumber ,DATENAME(Month, SOH.OrderDate) AS Month ...