Reporting Table Information : Column « Table « SQL Server / T-SQL Tutorial






4>
5> CREATE TABLE employee(
6>    id          INTEGER NOT NULL PRIMARY KEY,
7>    first_name  VARCHAR(10),
8>    last_name   VARCHAR(10),
9>    salary      DECIMAL(10,2),
10>    start_Date  DATETIME,
11>    region      VARCHAR(10),
12>    city        VARCHAR(20),
13>    managerid   INTEGER
14> );
15> 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>
3>
4> EXEC sp_help 'Employee'
5> GO
Name
         Owner
                  Type                            Created_datetime
------------------------------------------------------------------------------------------------------------------------
-------- ---------------------------------------------------------------------------------------------------------------
----------------- ------------------------------- -----------------------
employee
         dbo
                  user table                      2007-10-18 12:06:43.043


Column_name
         Type
                  Computed                            Length      Prec  Scale Nullable                            TrimTr
ailingBlanks                  FixedLenNullInSource                Collation

------------------------------------------------------------------------------------------------------------------------
-------- ---------------------------------------------------------------------------------------------------------------
----------------- ----------------------------------- ----------- ----- ----- ----------------------------------- ------
----------------------------- ----------------------------------- ------------------------------------------------------
--------------------------------------------------------------------------
id
         int
                  no                                            4 10    0     no                                  (n/a)
                              (n/a)                               NULL

first_name
         varchar
                  no                                           10             yes                                 no
                              yes                                 Chinese_PRC_CI_AS

last_name
         varchar
                  no                                           10             yes                                 no
                              yes                                 Chinese_PRC_CI_AS

salary
         decimal
                  no                                            9 10    2     yes                                 (n/a)
                              (n/a)                               NULL

start_Date
         datetime
                  no                                            8             yes                                 (n/a)
                              (n/a)                               NULL

region
         varchar
                  no                                           10             yes                                 no
                              yes                                 Chinese_PRC_CI_AS

city
         varchar
                  no                                           20             yes                                 no
                              yes                                 Chinese_PRC_CI_AS

managerid
         int
                  no                                            4 10    0     yes                                 (n/a)
                              (n/a)                               NULL


Identity
         Seed                                     Increment                                Not For Replication
------------------------------------------------------------------------------------------------------------------------
-------- ---------------------------------------- ---------------------------------------- -------------------
No identity column defined.
                                             NULL                                     NULL                NULL

RowGuidCol

------------------------------------------------------------------------------------------------------------------------
--------
No rowguidcol column defined.


Data_located_on_filegroup

------------------------------------------------------------------------------------------------------------------------
--------
PRIMARY


index_name
         index_description
                                                                                                    index_keys


















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PK__employee__65E11278
         clustered, unique, primary key located on PRIMARY
                                                                                                    id



















constraint_type
                           constraint_name
                                    delete_action update_action status_enabled status_for_replication constraint_keys


















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PRIMARY KEY (clustered)
                           PK__employee__65E11278
                                    (n/a)         (n/a)         (n/a)          (n/a)                  id



















No foreign keys reference table 'Employee', or you do not have permissions on referencing tables.
No views with schema binding reference table 'Employee'.
1>
2>
3>
4> drop table employee;
5> GO








3.3.Column
3.3.1.Create a computed column
3.3.2.Reporting Table Information
3.3.3.Designating a Column's Collation
3.3.4.A statement that changes the data type of a column
3.3.5.A statement that adds a new check constraint
3.3.6.A statement that adds a new column
3.3.7.A statement that drops a column