How do you find the DDL of a materialized view?

How do you find the DDL of a materialized view?

“how to get ddl for materialized view” Code Answer

  1. — Views (use USER_VIEWS or DBA_VIEWS if needed):
  2. SELECT TEXT FROM ALL_VIEWS WHERE upper(VIEW_NAME) LIKE upper(‘%VIEW_NAME%’);
  3. — Or:
  4. SELECT dbms_metadata.
  5. — Materialized views (use USER_VIEWS or DBA_VIEWS if needed):

How do I query a materialized view log?

Use [dba_|all_|user_]mview_logs . dba_mview_logs will show all the materialized view logs in the database but not everyone will have access to the dba_ views. You probably need create any dictionary . all_mview_logs will show you all the materialized view logs that you have access to.

How do I view a materialized view in SQL Developer?

To view a materialized view:

  1. On the Workspace home page, click SQL Workshop and then Object Browser. Object Browser appears.
  2. From the Object list, select Materialized Views.
  3. From the Object Selection pane, select a view. The Materialized View appears.

How can check materialized view refresh status?

select * from dba_refresh;select * from dba_refresh_children; select * from sys. v_$mvrefresh; Then below query to find the status of job.

How do I delete a materialized view?

Use the DROP MATERIALIZED VIEW statement to remove an existing materialized view from the database. When you drop a materialized view, Oracle Database does not place it in the recycle bin. Therefore, you cannot subsequently either purge or undrop the materialized view.

How do I refresh a materialized view?

REFRESH MATERIALIZED VIEW completely replaces the contents of a materialized view. To execute this command you must be the owner of the materialized view. The old contents are discarded.

What does the create Materialized View statement do?

Use the CREATE MATERIALIZED VIEW statement to create a materialized view. A materialized view is a database object that contains the results of a query. The FROM clause of the query can name tables, views, and other materialized views. Collectively these objects are called master tables (a replication term)…

How to create Materialized View with query rewrite enabled?

To create the materialized view with query rewrite enabled, in addition to the preceding privileges: If the schema owner does not own the master tables, then the schema owner must have the GLOBAL QUERY REWRITE privilege or the QUERY REWRITE object privilege on each table outside the schema.

When to use on prebuilt table in materialized view?

The ON PREBUILT TABLE clause lets you register an existing table as a preinitialized materialized view. This clause is particularly useful for registering large materialized views in a data warehousing environment. The table must have the same name and be in the same schema as the resulting materialized view.

Do you have to have create any materialized view privilege?

You must have the CREATE ANY MATERIALIZED VIEW system privilege. The owner of the materialized view must have the CREATE TABLE system privilege.