в 13:46, 26 мая 2010

2010-05-26T13:46:06Z

Admin: 1 версия

2010-05-26T10:20:34Z

1 версия

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==Getting Information About Your Functions==



<source lang="sql">

7> CREATE TABLE titles(
8> title_id varchar(20),
9> title varchar(80) NOT NULL,
10> type char(12) NOT NULL,
11> pub_id char(4) NULL,
12> price money NULL,
13> advance money NULL,
14> royalty int NULL,
15> ytd_sales int NULL,
16> notes varchar(200) NULL,
17> pubdate datetime NOT NULL
18> )
19> 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>
3> SELECT obj_name = SUBSTRING(OBJECT_NAME(d.id), 1, 20),
4> dep_obj = SUBSTRING(OBJECT_NAME(d.depid), 1, 20),
5> col_name = SUBSTRING(name, 1, 15),
6> IsSchemaBound = CASE deptype
7> WHEN 1 THEN "Schema Bound"
8> ELSE "Free"
9> END
10> FROM
11> sysdepends d
12> JOIN syscolumns c ON d.depid = c.id
13> AND d.depnumber = c.colid
14> WHERE object_name(d.id) LIKE "SalesByStore%"
15> GO
obj_name dep_obj col_name IsSchemaBound
-------------------- -------------------- --------------- -------------
SalesByStore titles title_id Schema Bound
SalesByStore titles title Schema Bound
SalesByStore sales stor_id Schema Bound
SalesByStore sales qty Schema Bound
SalesByStore sales title_id Schema Bound
(5 rows affected)
1>
2>
3> EXEC sp_helptext SalesByStore
4> GO
Text
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------

CREATE FUNCTION SalesByStore(@storid varchar(30))

RETURNS TABLE

WITH SCHEMABINDING

AS

RETURN (SELECT title, qty

FROM dbo.sales s, dbo.titles t

WHERE s.stor_id = @storid AND t.title_id = s.title_id)
1>
2>
3> drop FUNCTION SalesByStore;
4> GO
1> drop table sales;
2> drop table titles;
3> GO
</source>

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SQL Server/T-SQL/System/sysdepends - История изменений

в 13:46, 26 мая 2010

Admin: 1 версия