Can SQL function return a table?

In SQL Server, we can use the table-valued function to return data of table type. A table-valued function is classified as one of the types of user-defined functions in SQL Server that returns rowset as a result. Moreover, we can utilize a table-valued function as a table in SQL Server.

Table of Contents

How do you return a function from a table?

Creating SQL table functions

Define the CREATE FUNCTION (table) statement: Specify a name for the function. Specify a name and data type for each input parameter. Specify the routine attributes. Specify the RETURNS TABLE keyword.
Execute the CREATE FUNCTION (table) statement from a supported interface.

Can we return table from function?

To return a table from the function, you use RETURNS TABLE syntax and specify the columns of the table. Each column is separated by a comma (, ). In the function, we return a query that is a result of a SELECT statement.

How do you return a function in SQL?

The RETURN statement is used to unconditionally and immediately end an SQL procedure by returning the flow of control to the caller of the stored procedure. When the RETURN statement runs, it must return an integer value. If the return value is not provided, the default is 0.

How can a function return a value in SQL Server?

The returned integer value from the Stored Procedure, you need to make use of an Integer variable and use along with the EXEC command while executing the Stored Procedure. Syntax: DECLARE @ReturnValue INT. EXEC @ReturnValue = < Store Procedure Name > < Parameters > Select @ReturnValue.

Can a function return a table MySQL?

You cannot return table from MySQL function. The function can return string, integer, char etc. To return table from MySQL, use stored procedure, not function.

What is return type of function in SQL?

There are three types of user-defined functions in SQL Server: Scalar Functions (Returns A Single Value) Inline Table Valued Functions (Contains a single TSQL statement and returns a Table Set) Multi-Statement Table Valued Functions (Contains multiple TSQL statements and returns Table Set)

How do I view a table valued function in SQL?

To see where this function is actually created in the database, go to Object Explorer -> Databases -> schooldb -> Programmability -> Functions -> Table-valued Functions.

Do functions return values?

A return is a value that a function returns to the calling script or function when it completes its task. A return value can be any one of the four variable types: handle, integer, object, or string. The type of value your function returns depends largely on the task it performs.

Does return end a function SQL?

RETURN is immediate and complete and can be used at any point to exit from a procedure, batch, or statement block. Statements that follow RETURN are not executed.

How does SQL store return value?

Return Value in SQL Server Stored Procedure In default, when we execute a stored procedure in SQL Server, it returns an integer value and this value indicates the execution status of the stored procedure. The 0 value indicates, the procedure is completed successfully and the non-zero values indicate an error.

What is SQL return value?

How do I view a function in SQL Server?

Using SQL Server Management Studio

In Object Explorer, click the plus sign next to the database that contains the function to which you want to view the properties, and then click the plus sign to expand the Programmability folder.
Click the plus sign to expand the Functions folder.

What is function return type?

The result of a function is called its return value and the data type of the return value is called the return type. Every function declaration and definition must specify a return type, whether or not it actually returns a value.

What is function should return a value?

A function that returns a value is called a value-returning function. A function is value-returning if the return type is anything other than void . A value-returning function must return a value of that type (using a return statement), otherwise undefined behavior will result.

Can function return multiple values in SQL?

For this question answer will be Yes functions will return either single or multiple values. Generally SQL Server functions will return only one parameter value if we want to return multiple values from function then we need to send multiple values in table format by using table valued functions.