In MSSQL you can create a table with a computed column, like this...
CREATE FUNCTION CubicVolume
-- Input dimensions in centimeters.
(@CubeLength decimal(4,1), @CubeWidth decimal(4,1),
@CubeHeight decimal(4,1) )
RETURNS decimal(12,3) -- Cubic Centimeters.
AS
BEGIN
RETURN ( @CubeLength * @CubeWidth * @CubeHeight )
END
CREATE TABLE Bricks
(
BrickPartNmbr int PRIMARY KEY,
BrickColor nchar(20),
BrickHeight decimal(4,1),
BrickLength decimal(4,1),
BrickWidth decimal(4,1),
BrickVolume AS
(
dbo.CubicVolume (BrickHeight,
BrickLength, BrickWidth)
)
)
Is there an equivalent in MySQL beside views, stored procedures or
calculating it in a query?
I'm not trying to implement it; I'm just curious.
1  15631  pe******@gmail. com wrote:
Is there an equivalent in MySQL beside views, stored procedures or
calculating it in a query?
No, there is no declarative support for computed fields in MySQL.
Regards,
Bill K. This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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