Interested to Buy Any Domain ? << Click Here >> for more details...
can a view be updated?
- 3 Answers
- 9720 Views
- I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / yogesh babu
yes it can be updated ....but there are certain
restrictions in it.
For eg:
1.a view created from nonupdatable view cant be updated
2.when it is having having , groupby,orderby it cant be
updated.etc
| Is This Answer Correct ? | 9 Yes | 1 No |
Answer / kumar
View can be updated ...but some restrictions are there.
Let us think we are using one or more tables to create a
view and if the view contains all the NOT NULL constraint
columns of the tables, then only we can update the view or
else we can't.
| Is This Answer Correct ? | 4 Yes | 1 No |
Answer / chandana
Yes,Views can be updated but there are some conditions.
-> Depending on type of view ie
Simple views can be updated
Complex views may or may not be updated.
One cannot Perform DML Operations on Complex view
if it contains
1. Group by clause
2. Group functions
3. Distinct
4. Pseudocolumn rownum
One cannot modify the view if it has
1. Group by clause
2. Group functions
3. Distinct
4. Pseudocolumn rownum
5. Columns by expressions
One cannot insert data into views if it has
1. Group by clause
2. Group functions
3. Distinct
4. Pseudocolumn rownum
5. Columns by expressions
6. NOT NULL columns in base table that are not selected in
view
| Is This Answer Correct ? | 3 Yes | 3 No |
What is an oracle function?
Please explain oracle data types with examples?
How a tablespace is related to data files?
What is an oracle tablespace?
What is truncate oracle?
If any one has information regarding interview of NIC (National Informatics Centre),it would be of great help...
How to pass a parameter to a cursor in oracle?
How to check database size in Oracle?
How to set a transaction to be read only in oracle?
How would you begin to troubleshoot an ORA-3113 error?
What are the differences between a sys and system user and what are the extra privileges available to the sys user?
HOW TO DISPLAY MAXIMUM SALARIES FROM EMP DEPARTMENT VISE ALONG WITH DEPARTMENT NAMES? E.g EMP,DEPT
5 Answers College School Exams Tests, DELL,
Oracle General 
