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Categories / MSSQL Tutorial / System Functions
 

The system procedure sp_help displays information about one or more database objects

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 -------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------ -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------ 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 -------------------------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------- --------------------------------------------------------------------------- ------------- ------------- -------------- ---------------------- ---------------------------------------------------------- -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------- 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>