Wildcards in Parameters : Parameter « Procedure Function « SQL Server / T-SQL Tutorial






5>
6> CREATE TABLE titles(
7>    title_id       varchar(20),
8>    title          varchar(80)       NOT NULL,
9>    type           char(12)          NOT NULL,
10>    pub_id         char(4)               NULL,
11>    price          money                 NULL,
12>    advance        money                 NULL,
13>    royalty        int                   NULL,
14>    ytd_sales      int                   NULL,
15>    notes          varchar(200)          NULL,
16>    pubdate        datetime          NOT NULL
17> )
18> GO
1>
2> insert titles values ('1', 'Secrets',   'popular_comp', '1389', $20.00, $8000.00, 10, 4095,'Note 1','06/12/94')
3> insert titles values ('2', 'The',       'business',     '1389', $19.99, $5000.00, 10, 4095,'Note 2','06/12/91')
4> insert titles values ('3', 'Emotional', 'psychology',   '0736', $7.99,  $4000.00, 10, 3336,'Note 3','06/12/91')
5> insert titles values ('4', 'Prolonged', 'psychology',   '0736', $19.99, $2000.00, 10, 4072,'Note 4','06/12/91')
6> insert titles values ('5', 'With',      'business',     '1389', $11.95, $5000.00, 10, 3876,'Note 5','06/09/91')
7> insert titles values ('6', 'Valley',    'mod_cook',     '0877', $19.99, $0.00,    12, 2032,'Note 6','06/09/91')
8> insert titles values ('7', 'Any?',      'trad_cook',    '0877', $14.99, $8000.00, 10, 4095,'Note 7','06/12/91')
9> insert titles values ('8', 'Fifty',     'trad_cook',    '0877', $11.95, $4000.00, 14, 1509,'Note 8','06/12/91')
10> 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>
2> CREATE PROC gettitles
3> @tid varchar(6) = '%'
4> 
5> 
6> 
7> AS
8>
9> SELECT title
10> FROM titles
11> WHERE title_id LIKE @tid
12>
13> IF @@rowcount = 0
14>     PRINT 'There are no titles matching your input'
15> RETURN
16> GO
1>
2> EXEC gettitles bu1032
3> GO
title
--------------------------------------------------------------------------------

(0 rows affected)
There are no titles matching your input
1>
2> EXEC gettitles  'bu%'
3> GO
title
--------------------------------------------------------------------------------

(0 rows affected)
There are no titles matching your input
1>
2>
3> drop table titles;
4> GO
1>
2> drop PROC gettitles ;
3> GO
1>








21.13.Parameter
21.13.1.The syntax for declaring parameters
21.13.2.Parameterization: @parameter_name [AS] datatype [= default|NULL] [VARYING] [OUTPUT|OUT]
21.13.3.Procedure with default parameter value
21.13.4.Check parameter value with if statement
21.13.5.Procedure with two parameters
21.13.6.Passing the ORDER BY Column as a Parameter, Using a Column Number
21.13.7.Passing the ORDER BY Column as a Parameter, Using Dynamic Execution
21.13.8.Select using value from parameter
21.13.9.Call procedure with parameter name
21.13.10.Parameter with null default value
21.13.11.Pass column as the parameter
21.13.12.parameters can be passed explicitly by value
21.13.13.stored procedure can be executed with the parameter and assigned value
21.13.14.Wildcards in Parameters
21.13.15.Check value range for input parameter
21.13.16.Code that omits both optional parameters
21.13.17.Code that omits one optional parameter
21.13.18.Code that passes the parameters by position
21.13.19.Code that passes the parameters by name
21.13.20.Stored Procedure with Cursor Parameter