SQL Server/T-SQL Tutorial/System Tables Views/sys.objects — различия между версиями

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Текущая версия на 10:24, 26 мая 2010

Getting Details about User-Defined Functions in master

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>


Query sys.objects for object name

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>


sys.objects catalog view contains a row for each object in the database.

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)


sys.objects INNER JOIN sys.columns

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>