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how can i update a view in oracle?

Posted on 2011-09-14
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Last Modified: 2013-12-24
i want to change the url in the view, how can i update a column in the view.


CREATE OR REPLACE FORCE VIEW "user"."USERS" ("PROFILE_ID", "USER_NAME", "FIRST_NAME", "LAST_NAME", "LOCATION", "URL")
AS
  SELECT n_user_profile_id,
    c_user_name,
    c_first_name,
    c_last_name,
    LOCATION,
    'http://localhost/login.cfm' AS url
  FROM user_profile;

thanks for your help.
CREATE OR REPLACE FORCE VIEW "user"."USERS" ("PROFILE_ID", "USER_NAME", "FIRST_NAME", "LAST_NAME", "LOCATION", "URL")
AS
  SELECT n_user_profile_id,
    c_user_name,
    c_first_name,
    c_last_name,
    LOCATION,
    'http://localhost/login.cfm' AS url
  FROM user_profile;

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Question by:swathicfml
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7 Comments
 
LVL 77

Expert Comment

by:slightwv (䄆 Netminder)
ID: 36536490
You need to recreate the view using the new 'string'.
0
 

Author Comment

by:swathicfml
ID: 36536550
could you give me the command please?
0
 
LVL 52

Expert Comment

by:_agx_
ID: 36536553
Change it how?
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LVL 77

Accepted Solution

by:
slightwv (䄆 Netminder) earned 500 total points
ID: 36536565
>>could you give me the command please?

You posted it.

Assuming the URL you want is:  http://www.experts-exchange.com

CREATE OR REPLACE FORCE VIEW "user"."USERS" ("PROFILE_ID", "USER_NAME", "FIRST_NAME", "LAST_NAME", "LOCATION", "URL")
AS
  SELECT n_user_profile_id,
    c_user_name,
    c_first_name,
    c_last_name,
    LOCATION,
    'http://www.experts-exchange.com' AS url
  FROM user_profile;
0
 

Author Comment

by:swathicfml
ID: 36536567
i need to change the url
'http://localhost/login.cfm' AS url to
'http://localhost1/login.cfm' AS url

0
 
LVL 77

Assisted Solution

by:slightwv (䄆 Netminder)
slightwv (䄆 Netminder) earned 500 total points
ID: 36536575
CREATE OR REPLACE FORCE VIEW "user"."USERS" ("PROFILE_ID", "USER_NAME", "FIRST_NAME", "LAST_NAME", "LOCATION", "URL")
AS
  SELECT n_user_profile_id,
    c_user_name,
    c_first_name,
    c_last_name,
    LOCATION,
    'http://localhost1/login.cfm' AS url
  FROM user_profile;
 
0
 
LVL 15

Expert Comment

by:Devinder Singh Virdi
ID: 36536620
Just for Clarification:
View is a object that store sql commands, not the results, therefore you cannot update view.
However, view can be recreated n number of times without effecting actual data.
More important is that if for some reason view gets invalidated, it automatically recompile on next access.
Even though view contains query, you can update the base tables (Conditions applied).
If you have heard that view contains data, that view is called Materialized view.
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