A scalar-valued function returns a single value. In SQL Server CLR integration, you can write scalar-valued user-defined functions in managed code.
] function_name ( [ { @parameter_name [ AS ] [ type_schema_name. ] parameter_data_type [ NULL ] [ = default ] [ READONLY ] } [ , ...n ] ] ) RETURNS return_data_type [ WITH <function_option> [ , ...n ] ] [ AS ] BEGIN function_body RETURN scalar_expression END [ ;...
Executes a command string or character string within a Transact-SQL batch, or one of the following modules: system stored procedure, user-defined stored procedure, CLR stored procedure, scalar-valued user-defined function, or extended stored procedure. The EXEC or EXECUTE statement can be used to...
This CREATE FUNCTION (SQL scalar) statement creates an SQL function at the current server. The function returns a single result.
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22547 Multiple result values cannot be returned from the scalar function. 225DE An XML schema cannot be enabled for decomposition. Table 16. Class Code 23: Constraint Violation SQLSTATE ValueMeaning 23502 An insert or update value is null, but the column cannot contain null values. 23503 The...
You should only depend on order of evaluation of the WHEN conditions for scalar expressions (including non-correlated subqueries that return scalars), not for aggregate expressions. You must also ensure that at least one of the expressions in the THEN or ELSE clauses isn't the NULL constant. ...
values of the parameter, also known as a parameter sensitive plan.Parameterized queries can have multiple cached query plans for different selectivity categories of a parameter. Parameter sensitive plan optimization is enabled by default in compatibility level 160. For more information, seePSP ...
CF_INCORRECT_BATCH_USAGE、CF_INCORRECT_STREAM_USAGE、CYCLIC_FUNCTION_REFERENCE、DELTA_SHARING_INVALID_OP_IN_EXTERNAL_SHARED_VIEW、INVALID_CURRENT_RECIPIENT_USAGE、NOT_A_SCALAR_FUNCTION、NOT_A_TABLE_FUNCTION 42891 已存在重複的條件約束。 MULTIPLE_MATCHING_CONSTRAINTS 428C4 述詞運算元每一端的項目數目不相...
The values passed as scalar arguments and the values passed as elements to the index-by table of varchar2 arguments can be up to 32K in size. For example, when using flexible parameter passing (described inSection 3.6.2, "Flexible Parameter Passing"), each name or value in thequery_string...