SQL Server/T-SQL Tutorial/System Tables Views/sys.objects — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
Admin (обсуждение | вклад) м (1 версия) |
(нет различий)
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Текущая версия на 13:24, 26 мая 2010
Содержание
Getting Details about User-Defined Functions in master
<source lang="sql">
17> 18> SELECT 19> * 20> FROM 21> sysobjects 22> WHERE 23> type IN("FN", "TF") 24> AND 25> uid IN(user_id("system_function_schema"), 26> user_id("dbo")) 27> GO name
id xtype uid info status base_schema_ver replinfo parent_obj crdate ftc
atid schema_ver stats_schema_ver type userstat sysstat indexdel refdate version deltrig instrig
updtrig seltrig category cache
----------- ----- ------ ------ ----------- --------------- ----------- ----------- ----------------------- ---
----------- ---------------- ---- -------- ------- -------- ----------------------- ----------- ----------- -------
----------- ----------- ----------- ------
linear_max
318676233 FN 1 0 0 0 0 0 2007-10-22 04:26:43.660 0 0 0 FN 0 0 0 2007-10-22 04:26:43.660 0 0 0 0 0 0 0
fn_linear_max
386152471 FN 1 0 0 0 0 0 2007-10-22 04:00:40.323 0 0 0 FN 0 0 0 2007-10-22 04:00:40.323 0 0 0 0 0 0 0
(2 rows affected) 1> 2></source>
Query sys.objects for object name
<source lang="sql">
4> CREATE TABLE employee( 5> id INTEGER NOT NULL PRIMARY KEY, 6> first_name VARCHAR(10), 7> last_name VARCHAR(10), 8> salary DECIMAL(10,2), 9> start_Date DATETIME, 10> region VARCHAR(10), 11> city VARCHAR(20), 12> managerid INTEGER 13> ); 14> GO 1> INSERT INTO employee VALUES (1, "Jason" , "Martin", 5890,"2005-03-22","North","Vancouver",3); 2> GO (1 rows affected) 1> INSERT INTO employee VALUES (2, "Alison", "Mathews",4789,"2003-07-21","South","Utown",4); 2> GO (1 rows affected) 1> INSERT INTO employee VALUES (3, "James" , "Smith", 6678,"2001-12-01","North","Paris",5); 2> GO (1 rows affected) 1> INSERT INTO employee VALUES (4, "Celia" , "Rice", 5567,"2006-03-03","South","London",6); 2> GO (1 rows affected) 1> INSERT INTO employee VALUES (5, "Robert", "Black", 4467,"2004-07-02","East","Newton",7); 2> GO (1 rows affected) 1> INSERT INTO employee VALUES (6, "Linda" , "Green" , 6456,"2002-05-19","East","Calgary",8); 2> GO (1 rows affected) 1> INSERT INTO employee VALUES (7, "David" , "Larry", 5345,"2008-03-18","West","New York",9); 2> GO (1 rows affected) 1> INSERT INTO employee VALUES (8, "James" , "Cat", 4234,"2007-07-17","West","Regina",9); 2> GO (1 rows affected) 1> INSERT INTO employee VALUES (9, "Joan" , "Act", 6123,"2001-04-16","North","Toronto",10); 2> GO (1 rows affected) 1> 2> select * from employee; 3> GO id first_name last_name salary start_Date region city managerid
---------- ---------- ------------ ----------------------- ---------- -------------------- -----------
1 Jason Martin 5890.00 2005-03-22 00:00:00.000 North Vancouver 3 2 Alison Mathews 4789.00 2003-07-21 00:00:00.000 South Utown 4 3 James Smith 6678.00 2001-12-01 00:00:00.000 North Paris 5 4 Celia Rice 5567.00 2006-03-03 00:00:00.000 South London 6 5 Robert Black 4467.00 2004-07-02 00:00:00.000 East Newton 7 6 Linda Green 6456.00 2002-05-19 00:00:00.000 East Calgary 8 7 David Larry 5345.00 2008-03-18 00:00:00.000 West New York 9 8 James Cat 4234.00 2007-07-17 00:00:00.000 West Regina 9 9 Joan Act 6123.00 2001-04-16 00:00:00.000 North Toronto 10
(9 rows affected) 1> 2> select object_id, principal_id, type 3> from sys.objects 4> where name = "employee"; 5> 6> 7> drop table employee; 8> GO object_id principal_id type
------------ ----
1449772222 NULL U
(1 rows affected) 1> 2></source>
sys.objects catalog view contains a row for each object in the database.
<source lang="sql">
5> 6> select top 10 * from sys.objects; 7> GO name object_id principal_id schema_id parent_object_id type type_desc
create_date modify_date is_ms_shipped is_published is_schema_published
----------- ------------ ----------- ---------------- ---- ------------
----------------------- ----------------------- ------------- ------------ -------------------
sysrowsetcolumns 4 NULL 4 0 S SYSTEM_TABLE
2005-10-14 01:36:06.707 2005-10-14 01:36:06.707 1 0 0
sysrowsets 5 NULL 4 0 S SYSTEM_TABLE
2005-10-14 01:36:06.690 2005-10-14 01:36:06.690 1 0 0
sysallocunits 7 NULL 4 0 S SYSTEM_TABLE
2005-10-14 01:36:06.690 2005-10-14 01:36:06.690 1 0 0
sysfiles1 8 NULL 4 0 S SYSTEM_TABLE
2003-04-08 09:13:37.267 2003-04-08 09:13:37.267 1 0 0
syshobtcolumns 13 NULL 4 0 S SYSTEM_TABLE
2005-10-14 01:36:06.707 2005-10-14 01:36:06.707 1 0 0
syshobts 15 NULL 4 0 S SYSTEM_TABLE
2005-10-14 01:36:06.707 2005-10-14 01:36:06.707 1 0 0
sysftinds 25 NULL 4 0 S SYSTEM_TABLE
2005-10-14 01:36:06.877 2005-10-14 01:36:06.877 1 0 0
sysserefs 26 NULL 4 0 S SYSTEM_TABLE
2005-10-14 01:36:06.720 2005-10-14 01:36:06.720 1 0 0
sysowners 27 NULL 4 0 S SYSTEM_TABLE
2005-10-14 01:36:06.863 2005-10-14 01:36:06.863 1 0 0
sysdbreg 28 NULL 4 0 S SYSTEM_TABLE
2005-10-14 01:36:06.737 2005-10-14 01:36:06.737 1 0 0
(10 rows affected)</source>
sys.objects INNER JOIN sys.columns
<source lang="sql">
4> CREATE TABLE employee( 5> id INTEGER NOT NULL PRIMARY KEY, 6> first_name VARCHAR(10), 7> last_name VARCHAR(10), 8> salary DECIMAL(10,2), 9> start_Date DATETIME, 10> region VARCHAR(10), 11> city VARCHAR(20), 12> managerid INTEGER 13> ); 14> GO 1> INSERT INTO employee VALUES (1, "Jason" , "Martin", 5890,"2005-03-22","North","Vancouver",3); 2> GO (1 rows affected) 1> INSERT INTO employee VALUES (2, "Alison", "Mathews",4789,"2003-07-21","South","Utown",4); 2> GO (1 rows affected) 1> INSERT INTO employee VALUES (3, "James" , "Smith", 6678,"2001-12-01","North","Paris",5); 2> GO (1 rows affected) 1> INSERT INTO employee VALUES (4, "Celia" , "Rice", 5567,"2006-03-03","South","London",6); 2> GO (1 rows affected) 1> INSERT INTO employee VALUES (5, "Robert", "Black", 4467,"2004-07-02","East","Newton",7); 2> GO (1 rows affected) 1> INSERT INTO employee VALUES (6, "Linda" , "Green" , 6456,"2002-05-19","East","Calgary",8); 2> GO (1 rows affected) 1> INSERT INTO employee VALUES (7, "David" , "Larry", 5345,"2008-03-18","West","New York",9); 2> GO (1 rows affected) 1> INSERT INTO employee VALUES (8, "James" , "Cat", 4234,"2007-07-17","West","Regina",9); 2> GO (1 rows affected) 1> INSERT INTO employee VALUES (9, "Joan" , "Act", 6123,"2001-04-16","North","Toronto",10); 2> GO (1 rows affected) 1> 2> select * from employee; 3> GO id first_name last_name salary start_Date region city managerid
---------- ---------- ------------ ----------------------- ---------- -------------------- -----------
1 Jason Martin 5890.00 2005-03-22 00:00:00.000 North Vancouver 3 2 Alison Mathews 4789.00 2003-07-21 00:00:00.000 South Utown 4 3 James Smith 6678.00 2001-12-01 00:00:00.000 North Paris 5 4 Celia Rice 5567.00 2006-03-03 00:00:00.000 South London 6 5 Robert Black 4467.00 2004-07-02 00:00:00.000 East Newton 7 6 Linda Green 6456.00 2002-05-19 00:00:00.000 East Calgary 8 7 David Larry 5345.00 2008-03-18 00:00:00.000 West New York 9 8 James Cat 4234.00 2007-07-17 00:00:00.000 West Regina 9 9 Joan Act 6123.00 2001-04-16 00:00:00.000 North Toronto 10
(9 rows affected) 1> 2> SELECT sys.objects. name 3> FROM sys.objects INNER JOIN sys.columns 4> ON sys.objects.object_id = sys.columns. object_id 5> WHERE sys.objects.type = "U" 6> AND sys. columns. name = "project_no"; 7> 8> 9> drop table employee; 10> GO name
(0 rows affected) 1></source>