“Praktik terbaik untuk meneruskan beberapa tabel ke prosedur tersimpan di SQL Server” Kode Jawaban

Praktik terbaik untuk meneruskan beberapa tabel ke prosedur tersimpan di SQL Server

CREATE PROCEDURE MySproc
    @PrimaryTable primary_tbltype READONLY,
    @RelatedTable related_tbltype READONLY
AS
BEGIN
DECLARE @CurrentKey INT
DECLARE @FirstName VARCHAR(30)
DECLARE @LastName VARCHAR(30)
DECLARE @AccountTotal MONEY

DECLARE PersonCursor CURSOR LOCAL FAST_FORWARD FOR
    SELECT personkey, firstname, lastname FROM @PrimaryTable
OPEN PersonCursor
FETCH NEXT FROM PersonCursor INTO @CurrentKey, @FirstName, @LastName
WHILE @@FETCH_STATUS= 0 BEGIN

    SELECT @AccountTotal = SUM(accountbalance) FROM @RelatedTable 
        WHERE fk_personkey = @CurrentKey

    PRINT @FirstName + ' ' + @LastName + ' - account total: ' + CONVERT(VARCHAR(30), @AccountTotal)

    FETCH NEXT FROM PersonCursor INTO @CurrentKey, @FirstName, @LastName
END
END;