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Greatest common divisor: Difference between revisions
→{{header|SQL}}
Line 4,098:
22 55 11
</pre>
Demonstration of SQL Server 2008
<lang SQL>CREATE FUNCTION gcd (
@ui INT,
@vi INT
) RETURNS INT
AS
BEGIN
DECLARE @t INT
DECLARE @u INT
DECLARE @v INT
SET @u = @ui
SET @v = @vi
WHILE @v > 0
BEGIN
SET @t = @u;
SET @u = @v;
SET @v = @t % @v;
END;
RETURN abs( @u );
END
GO
CREATE TABLE tbl (
u INT,
v INT
);
INSERT INTO tbl ( u, v ) VALUES ( 20, 50 );
INSERT INTO tbl ( u, v ) VALUES ( 21, 50 );
INSERT INTO tbl ( u, v ) VALUES ( 21, 51 );
INSERT INTO tbl ( u, v ) VALUES ( 22, 50 );
INSERT INTO tbl ( u, v ) VALUES ( 22, 55 );
SELECT u, v, dbo.gcd ( u, v )
FROM tbl;
DROP TABLE tbl;
DROP FUNCTION gcd;
</lang>
=={{header|Stata}}==
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