在SQL Server中创建数据库功能

Question

What is my error with explanations please, need to create a table valued function.

CREATE FUNCTION [dbo].[RetrieveEntityParent] (@FK_EntityId int (max))

   with p as
    (SELECT     EntityId, FK_ParentId , EntityName ,EntityArabicName 
     FROM         OrgEntity
     WHERE OrgEntity.EntityId=14 

   UNION ALL      
    SELECT       PA.EntityId, PA.FK_ParentId, PA.EntityName,PA.EntityArabicName 
    FROM         OrgEntity as PA 
    inner join p
    ON p.FK_ParentId = PA.EntityId)


   SELECT * from p 

Answer 1

The syntax for an inline table valued function is:

CREATE FUNCTION [dbo].[RetrieveEntityParent] (@FK_EntityId int (max))
RETURNS TABLE
AS RETURN
    ... your query here ...