stored procedure datatable parameter code example

Example 1: best practive to pass multiple table to stored procedure in sql server

DECLARE @primaryTVP primary_tbltype
DECLARE @relatedTVP related_tbltype

INSERT INTO @primaryTVP values (1, 'John', 'Cleese')
INSERT INTO @primaryTVP values (2, 'Eric', 'Idle')
INSERT INTO @primaryTVP values (3, 'Graham', 'Chapman')

INSERT INTO @relatedTVP values (1, '29310918', 28934.33)
INSERT INTO @relatedTVP values (2, '123123', 3418.11)
INSERT INTO @relatedTVP values (2, '33333', 666.66)
INSERT INTO @relatedTVP values (3, '554433', 22.22)
INSERT INTO @relatedTVP values (3, '239482', 151515.15)


EXEC MySproc @primaryTVP, @relatedTVP;

Example 2: best practive to pass multiple table to stored procedure in 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;