SQL Server String Functions FunctionDescription ASCIIReturns the ASCII value for the specific character CHARReturns the character based on the ASCII code CHARINDEXReturns the position of a substring in a string CONCATAdds two or more strings together...
Applies to:SQL ServerAzure SQL DatabaseAzure SQL Managed Instance Creates a user-defined function (UDF), which is a Transact-SQL or common language runtime (CLR) routine. A user-defined function accepts parameters, performs an action such as a complex calculation, and returns the result of ...
Table-valued function examples Show 2 more Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) This article describes how to create a user-defined function (UDF) in SQL Server by using Transact-SQL. ...
SQL SERVER 代码 加载程序集 USEInvestorRelationsCREATEASSEMBLY ExampleUDFFROM'E:\学习\SessionTest\TestKZCCGC\bin\Debug\TestKZCCGC.dll' 创建函数 1 2 3 CREATEFUNCTIONExampleUDFTwo() RETURNSnvarchar(1000) ASEXTERNALNAMEExampleUDF.UserDefinedFunctions.ExampleUDF; 表值函数: C#代码 1 2 3 4 5 6 7 8 ...
SQL Server Azure SQL 数据库 Azure SQL 托管实例 Azure Synapse Analytics Analytics Platform System (PDW) Microsoft Fabric 中的 SQL 终结点 Microsoft Fabric 中的仓库 Microsoft Fabric SQL 数据库 可以使用PIVOT和UNPIVOT关系运算符将表值表达式更改为另一个表。PIVOT通过将表达式中的一个列的唯一值转换为输出中...
Applies to:SQL Server only. The following example shows how to use both the format file and code page options at the same time. SQL INSERTINTOMyTableSELECTa.*FROMOPENROWSET (BULKN'D:\data.csv', FORMATFILE ='D:\format_no_collation.txt', CODEPAGE ='65001')ASa; ...
Additional example: ALTER COLUMN [Phone Number] ADD MASKED WITH (FUNCTION = 'partial(5,"XXXXXXX",0)') This turns a phone number like555.123.1234into555.1XXXXXXX. DatetimeApplies to:SQL Server 2022 (16.x) Masking method for column defined with data typedatetime,datetime2,date,time,datetimeoffset...
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) SQL database in Microsoft Fabric Parameters are used to exchange data between stored procedures and functions and the application or tool that called the stored procedure or ...
delete other directories, if necessary; however, you might not be able to retrieve any lost functionality or data without uninstalling and then reinstalling SQL Server. Do not delete or modify any of the .htm files in the HTML directory. They are required for SQL Server tools to function ...
[Microsoft.SqlServer.Server.SqlFunction] public static SqlBytes BinaryDecompress(SqlBytes inputBinary)//解密 { byte[] inputBytes = (byte[])inputBinary.Value; using (MemoryStream memStreamIn = new MemoryStream(inputBytes)) { using (GZipStream s = ...