SQL Editor
SQL Function Example
Tables and Columns
Customer
- Id
(int)
- FirstName
(nvarchar)
- LastName
(nvarchar)
- City
(nvarchar)
- Country
(nvarchar)
- Phone
(nvarchar)
Order
- Id
(int)
- OrderDate
(datetime)
- OrderNumber
(nvarchar)
- CustomerId
(int)
- TotalAmount
(decimal)
OrderItem
- Id
(int)
- OrderId
(int)
- ProductId
(int)
- UnitPrice
(decimal)
- Quantity
(int)
Product
- Id
(int)
- ProductName
(nvarchar)
- SupplierId
(int)
- UnitPrice
(decimal)
- Package
(nvarchar)
- IsDiscontinued
(bit)
Supplier
- Id
(int)
- CompanyName
(nvarchar)
- ContactName
(nvarchar)
- ContactTitle
(nvarchar)
- City
(nvarchar)
- Country
(nvarchar)
- Phone
(nvarchar)
- Fax
(nvarchar)
Task:
Find the average order amount.
Click here
for details on
Functions
.
CREATE FUNCTION FullName ( @FirstName NVARCHAR(40), @LastName NVARCHAR(40) ) RETURNS NVARCHAR(81) AS BEGIN RETURN (SELECT @FirstName + ' ' + @LastName) END; GO
Command ran successfully
Note
: the changes were rolled back (undone)
to maintain the integrity of the database.
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in Austin, Texas.
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in Austin, Texas. - vsn 44.0.0