The system procedure sp_help displays information about one or more database objects. : sp_help « System Functions « SQL Server / T-SQL Tutorial






7> CREATE TABLE employee(
8>    id          INTEGER NOT NULL PRIMARY KEY,
9>    first_name  VARCHAR(10),
10>    last_name   VARCHAR(10),
11>    salary      DECIMAL(10,2),
12>    start_Date  DATETIME,
13>    region      VARCHAR(10),
14>    city        VARCHAR(20),
15>    managerid   INTEGER
16> );
17> 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> exec sp_help employee
3> GO
Name                                                                                                                             Owner
                                                          Type                            Created_datetime
-------------------------------------------------------------------------------------------------------------------------------- -----------------------------------------------------------------------
--------------------------------------------------------- ------------------------------- -----------------------
employee                                                                                                                         dbo
                                                          user table                      2008-08-07 21:23:08.280


Column_name                                                                                                                      Type
                                                          Computed                            Length      Prec  Scale Nullable                            TrimTrailingBlanks                  FixedLenNu
llInSource                Collation
-------------------------------------------------------------------------------------------------------------------------------- -----------------------------------------------------------------------
--------------------------------------------------------- ----------------------------------- ----------- ----- ----- ----------------------------------- ----------------------------------- ----------
------------------------- --------------------------------------------------------------------------------------------------------------------------------
id                                                                                                                               int
                                                          no                                            4 10    0     no                                  (n/a)                               (n/a)
                          NULL
first_name                                                                                                                       varchar
                                                          no                                           10             yes                                 no                                  yes
                          SQL_Latin1_General_CP1_CI_AS
last_name                                                                                                                        varchar
                                                          no                                           10             yes                                 no                                  yes
                          SQL_Latin1_General_CP1_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
                          SQL_Latin1_General_CP1_CI_AS
city                                                                                                                             varchar
                                                          no                                           20             yes                                 no                                  yes
                          SQL_Latin1_General_CP1_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__5575A085                                                                                                           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__5575A085
                                                                            (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> drop table employee;
3> GO
1>
2>








25.41.sp_help
25.41.1.The system procedure sp_help displays information about one or more database objects.
25.41.2.EXEC sp_help on a table
25.41.3.Display table structure before and after altering command