Parameter for passing value out of a procedure : Output parameter « Procedure Function « SQL Server / T-SQL Tutorial






3>
4>
5> CREATE TABLE authors(
6>    au_id          varchar(11),
7>    au_lname       varchar(40)       NOT NULL,
8>    au_fname       varchar(20)       NOT NULL,
9>    phone          char(12)          NOT NULL DEFAULT ('UNKNOWN'),
10>    address        varchar(40)           NULL,
11>    city           varchar(20)           NULL,
12>    state          char(2)               NULL,
13>    zip            char(5)               NULL,
14>    contract       bit               NOT NULL
15> )
16> GO
1> insert authors values('1',  'Joe',   'Abra',   '111 111-1111', '6 St.', 'Berkeley',  'CA', '11111', 1)
2> insert authors values('2',  'Jack',  'Majo',   '222 222-2222', '3 St.', 'Oakland' ,  'CA', '22222', 1)
3> insert authors values('3',  'Pink',  'Cherry', '333 333-3333', '5 Ln.', 'Vancouver', 'BC', '33333', 1)
4> insert authors values('4',  'Blue',  'Albert', '444 444-4444', '7 Av.', 'Vancouver', 'BC', '44444', 1)
5> insert authors values('5',  'Red',   'Anne',   '555 555-5555', '6 Av.', 'Regina',    'SK', '55555', 1)
6> insert authors values('6',  'Black', 'Michel', '666 666-6666', '3 Pl.', 'Regina',    'SK', '66666', 1)
7> insert authors values('7',  'White', 'Sylvia', '777 777-7777', '1 Pl.', 'Rockville', 'MD', '77777', 1)
8> insert authors values('8',  'Yellow','Heather','888 888-8888', '3 Pu',  'Vacaville', 'CA', '88888', 0)
9> insert authors values('9',  'Gold',  'Dep',    '999 999-9999', '5 Av.', 'Oakland',   'CA', '99999', 0)
10> insert authors values('10', 'Siler', 'Dean',   '000 000-0000', '4 Av.', 'Oakland',   'CA', '00000', 1)
11> GO

(1 rows affected)

(1 rows affected)

(1 rows affected)

(1 rows affected)

(1 rows affected)

(1 rows affected)

(1 rows affected)

(1 rows affected)

(1 rows affected)

(1 rows affected)
1>
2> CREATE PROC count_tables @authorcount int OUTPUT,
3> @titlecount int OUTPUT
4> AS
5> SELECT * FROM authors
6> SET @authorcount=@@ROWCOUNT
7> SET @titlecount=@@ROWCOUNT
8> RETURN(0)
9> GO
1>
2> DECLARE @a_count int, @t_count int
3> EXEC count_tables @a_count OUTPUT, @t_count OUTPUT
4> GO
au_id       au_lname                                 au_fname             phone        address                                  city                 state zip   contract
----------- ---------------------------------------- -------------------- ------------ ---------------------------------------- -------------------- ----- ----- --------
1           Joe                                      Abra                 111 111-1111 6 St.                                    Berkeley             CA    11111        1
2           Jack                                     Majo                 222 222-2222 3 St.                                    Oakland              CA    22222        1
3           Pink                                     Cherry               333 333-3333 5 Ln.                                    Vancouver            BC    33333        1
4           Blue                                     Albert               444 444-4444 7 Av.                                    Vancouver            BC    44444        1
5           Red                                      Anne                 555 555-5555 6 Av.                                    Regina               SK    55555        1
6           Black                                    Michel               666 666-6666 3 Pl.                                    Regina               SK    66666        1
7           White                                    Sylvia               777 777-7777 1 Pl.                                    Rockville            MD    77777        1
8           Yellow                                   Heather              888 888-8888 3 Pu                                     Vacaville            CA    88888        0
9           Gold                                     Dep                  999 999-9999 5 Av.                                    Oakland              CA    99999        0
10          Siler                                    Dean                 000 000-0000 4 Av.                                    Oakland              CA    00000        1

(10 rows affected)
1>
2> drop PROC count_tables;
3> GO
1> drop table authors;
2> GO
1>








21.14.Output parameter
21.14.1.Stored procedure returning value using an Output parameter
21.14.2.Parameter for passing value out of a procedure
21.14.3.Recursive procedure with output parameter