CREATE Function must be the only statement in the batch SQL Server 2008 Express R2 create table if not exists syntax error Creating a local SQl Server instance Creating an empty column in a query Creating Database gives error : "Directory lookup for the file "xxxxx.mdf" failed with the oper...
CREATE FUNCTION 和 CREATE PROCEDURE 陳述式定義可呼叫函數或程序,也稱為常式。 在本產品的舊版中, CREATE FUNCTION 及 CREATE PROCEDURE 具有不同的使用及不同的功能。 後續的加強功能已導致先前在附註 1 和 3 中列出的差異。 常式對於建立可重複使用的程式碼區塊非常有用,這些程式碼可以獨立執行多次。您可以將...
returned data types include a row type, array type, or cursor type; b) Must be used if the RETURNS TABLE clause specifies any syntax other than a column-list; c) Not supported if RETURNS ROW is specified; d) Not supported when defining a table function in a partitioned database ...
Specify a parameter name by using an at sign (@) as the first character. The parameter name must comply with the rules for identifiers. Parameters are local to the function; the same parameter names can be used in other functions. Parameters can take the place only of constants; they canno...
Learn more about the Microsoft.SqlServer.TransactSql.ScriptDom.CreateFunctionStatement.CreateFunctionStatement in the Microsoft.SqlServer.TransactSql.ScriptDom namespace.
PararameterName must be unique within a function. The syntax of DataType is described in Data types. Note: Data-types such as BLOB, CLOB, LONG VARCHAR, LONG VARCHAR FOR BIT DATA, and XML are not allowed as parameters in a CREATE FUNCTION statement....
Use theCREATE FUNCTIONstatement to create a newstored function. You must have theCREATE ROUTINEdatabase privilege to useCREATE FUNCTION. A function takes any number of arguments and returns a value from the function body. The function body can be any valid SQL expression as you would use, for...
If a results table is created in the database function, its name must be different to the results table of the SQL statement it is called by. Argument By specifying an argument,argument1, you assign a name to a formal parameter of the database function. This parameter name can then be ...
Resources that are required to create a UDF are added to the desired MaxCompute project by executing the add jar <localfile> [comment '<comment>'][-f]; statement. For more information, see ADD JAR. Limits Function names must be unique in a project. You cannot create a function that ha...
Because the scalar function must be applied to every row, the resulting behavior is like row-based processing and degrades performance. Avoid the use of SELECT *. Instead, specify the required column names. This can prevent some Database Engine errors that stop procedure execution. For example,...