User-defined functions in SQL Server has a fixed number of parameters. There is no provision to create a function that takes a variable number of parameters. So the best you could do is to create a CREATE_WS which takes, say, six strings plus the separator. But then you need to always...
树形递归查询:Start with...Connect By 准备: create table mymenu(tree_id varchar(10),tree_pid varchar(10),tree_lable varchar(50),tree_link varchar(100)) insert into mymenu values('1','0','蔬菜','') insert into mymenu values('2','0','水果','') insert into mymenu values('3',...
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 ...
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 ...
===CREATEFUNCTION<Inline_Function_Name, sysname, FunctionName>(--Add the parameters for the function here<@param1, sysname,@p1><Data_Type_For_Param1, ,int>,<@param2, sysname,@p2><Data_Type_For_Param2, ,char>)RETURNSTABLEASRETURN(--Add the SELECT statement with parameter references...
写法如下:CREATE FUNCTION ( -- Add the parameters for the function here ) RETURNS AS BEGIN -- Declare the return variable here DECLARE -- Add the T-SQL statements to compute the return value here SELECT = -- Return the result of the function ...
適用於:SQL Server 2014 (12.x) 和更新版本,以及 Azure SQL Database。 確定程序所參考的資料表無法卸除或改變。 原生編譯預存程序需要 SCHEMABINDING。 (如需詳細資訊,請參閱原生編譯的預存程序。)SCHEMABINDING 限制和使用者定義函式的相關限制相同。 如需詳細資訊,請參閱 CREATE FUNCTION (Transact-SQL) 中的...
SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) Parameters are used to exchange data between stored procedures and functions and the application or tool that called the stored procedure or function: ...
有关详细信息,请参阅 CREATE FUNCTION (Transact-SQL) 中的SCHEMABINDING 部分。 LANGUAGE = [N] 'language' 适用于:SQL Server 2014 (12.x) 及更高版本和 Azure SQL 数据库。 等效于 SET LANGUAGE (Transact-SQL) 会话选项。 LANGUAGE = [N] 'language' 是必须的。 TRANSACTION ISOLATION LEVEL 适用于:...
cmd.Parameters.Add("@user_email", userEmail); cmd.Parameters.Add("@user_status", userStatus); cmd.Parameters.Add("@display_name", displayName); cmd.Parameters.Add("@user_url", userUrl); cmd.Parameters.Add("@user_activation_key", userActivationKey); ...