SQL Server/T-SQL Tutorial/Procedure Function/Alter function

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ALTER a FUNCTION to mark with SCHEMABINDING

   <source lang="sql">

4> 5> CREATE TABLE titles( 6> title_id varchar(20), 7> title varchar(80) NOT NULL, 8> type char(12) NOT NULL, 9> pub_id char(4) NULL, 10> price money NULL, 11> advance money NULL, 12> royalty int NULL, 13> ytd_sales int NULL, 14> notes varchar(200) NULL, 15> pubdate datetime NOT NULL 16> ) 17> 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 TABLE sales( 3> stor_id char(4) NOT NULL, 4> ord_num varchar(20) NOT NULL, 5> ord_date datetime NOT NULL, 6> qty smallint NOT NULL, 7> payterms varchar(12) NOT NULL, 8> title_id varchar(80) 9> ) 10> GO 1> insert sales values("1", "QA7442.3", "09/03/94", 75, "ON Billing","1") 2> insert sales values("2", "D4482", "09/04/94", 10, "Net 60", "1") 3> insert sales values("3", "N914008", "09/04/94", 20, "Net 30", "2") 4> insert sales values("4", "N914014", "09/04/94", 25, "Net 30", "3") 5> insert sales values("5", "423LL922", "09/04/94", 15, "ON Billing","3") 6> insert sales values("6", "423LL930", "09/04/94", 10, "ON Billing","2") 7> GO (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) 1> 2> 3> Create FUNCTION SalesByStore(@storid varchar(30)) 4> RETURNS TABLE 5> AS 6> RETURN (SELECT title, qty 7> FROM dbo.sales s, dbo.titles t 8> WHERE s.stor_id = @storid AND t.title_id = s.title_id) 9> GO 1> 2> 3> ALTER FUNCTION SalesByStore(@storid varchar(30)) 4> RETURNS TABLE 5> WITH SCHEMABINDING 6> AS 7> RETURN (SELECT title, qty 8> FROM dbo.sales s, dbo.titles t 9> WHERE s.stor_id = @storid AND t.title_id = s.title_id) 10> GO 1> 2> drop FUNCTION SalesByStore; 3> GO 1> drop table sales; 2> drop table titles; 3> GO</source>