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Categories / MSSQL / System
 

Reference the name column from sys types

1> create table employee( 2>     ID          int, 3>     name        nvarchar (10), 4>     salary      int, 5>     start_date  datetime, 6>     city        nvarchar (10), 7>     region      char (1)) 8> GO 1> 2> insert into employee (ID, name,    salary, start_date, city,       region) 3>               values (1,  'Jason', 40420,  '02/01/94', 'New York', 'W') 4> GO (1 rows affected) 1> insert into employee (ID, name,    salary, start_date, city,       region) 2>               values (2,  'Robert',14420,  '01/02/95', 'Vancouver','N') 3> GO (1 rows affected) 1> insert into employee (ID, name,    salary, start_date, city,       region) 2>               values (3,  'Celia', 24020,  '12/03/96', 'Toronto',  'W') 3> GO (1 rows affected) 1> insert into employee (ID, name,    salary, start_date, city,       region) 2>               values (4,  'Linda', 40620,  '11/04/97', 'New York', 'N') 3> GO (1 rows affected) 1> insert into employee (ID, name,    salary, start_date, city,       region) 2>               values (5,  'David', 80026,  '10/05/98', 'Vancouver','W') 3> GO (1 rows affected) 1> insert into employee (ID, name,    salary, start_date, city,       region) 2>               values (6,  'James', 70060,  '09/06/99', 'Toronto',  'N') 3> GO (1 rows affected) 1> insert into employee (ID, name,    salary, start_date, city,       region) 2>               values (7,  'Alison',90620,  '08/07/00', 'New York', 'W') 3> GO (1 rows affected) 1> insert into employee (ID, name,    salary, start_date, city,       region) 2>               values (8,  'Chris', 26020,  '07/08/01', 'Vancouver','N') 3> GO (1 rows affected) 1> insert into employee (ID, name,    salary, start_date, city,       region) 2>               values (9,  'Mary',  60020,  '06/09/02', 'Toronto',  'W') 3> GO (1 rows affected) 1> 2> select * from employee 3> GO ID          name       salary      start_date              city       region ----------- ---------- ----------- ----------------------- ---------- ------           1 Jason            40420 1994-02-01 00:00:00.000 New York   W           2 Robert           14420 1995-01-02 00:00:00.000 Vancouver  N           3 Celia            24020 1996-12-03 00:00:00.000 Toronto    W           4 Linda            40620 1997-11-04 00:00:00.000 New York   N           5 David            80026 1998-10-05 00:00:00.000 Vancouver  W           6 James            70060 1999-09-06 00:00:00.000 Toronto    N           7 Alison           90620 2000-08-07 00:00:00.000 New York   W           8 Chris            26020 2001-07-08 00:00:00.000 Vancouver  N           9 Mary             60020 2002-06-09 00:00:00.000 Toronto    W (9 rows affected) 1> 2> 3> CREATE VIEW myView 4> AS 5> SELECT * 6> FROM Employee 7> GO 1> 2> -- Reference the name column from sys.types. 3> 4> SELECT c.name, t.name 'data type', c.max_length, c.is_identity 5> FROM sys.columns c JOIN sys.types t 6> ON t.system_type_id = c.system_type_id AND 7>     t.system_type_id = t.user_type_id 8> WHERE object_id = (SELECT OBJECT_ID('dbo.myView', 'VIEW')) 9> GO name                                                                                                                             data type                                                                               max_length is_identity -------------------------------------------------------------------------------------------------------------------------------- --------------------------------------------------- ----------------------------------------------------------------------------- ---------- ----------- ID                                                                                                                               int                                                                                        4           0 salary                                                                                                                           int                                                                                        4           0 start_date                                                                                                                       datetime                                                                                        8           0 region                                                                                                                           char                                                                                        1           0 city                                                                                                                             nvarchar                                                                                       20           0 name                                                                                                                             nvarchar                                                                                       20           0 (6 rows affected) 1> 2> 3> DROP VIEW myView 4> GO 1> 2> drop table employee 3> GO 1>