Updating views in oracle cancer woman dating leo woman


07-Dec-2019 11:25

It makes sense to use fast refreshes where possible.

Remember, refreshing on commit is a very intensive operation for volatile base tables.

This information allows a fast refresh, which only needs to apply the changes rather than a complete refresh of the materialized view.

To take advantage of the of the fast refresh, connect to the master instance and create the materialized view log.

Views can be created from a single table, multiple tables or another view.

To create a view, a user must have the appropriate system privilege according to the specific implementation.The basic CREATE VIEW syntax is as follows − ---- ---------- ----- ----------- ---------- | ID | NAME | AGE | ADDRESS | SALARY | ---- ---------- ----- ----------- ---------- | 1 | Ramesh | 32 | Ahmedabad | 2000.00 | | 2 | Khilan | 25 | Delhi | 1500.00 | | 3 | kaushik | 23 | Kota | 2000.00 | | 4 | Chaitali | 25 | Mumbai | 6500.00 | | 5 | Hardik | 27 | Bhopal | 8500.00 | | 6 | Komal | 22 | MP | 4500.00 | | 7 | Muffy | 24 | Indore | 10000.00 | ---- ---------- ----- ----------- ---------- The WITH CHECK OPTION is a CREATE VIEW statement option.



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