Oracle delete all data from schema

This will produce a list of drop statements. But in the en you will have a pretty clean schema. SQL: delete all the data from all. Is there an easy way. Since the intention is to drop all the objects for a schema , why not just drop and recreate that schema with all the required privileges (since they said - we have DBA access to the database), rather than dropping each and every objects.

Ask Question Asked years, month ago. Viewed 259k times 156. How can I drop all user tables in oracle ? When I disable all it is still no possible. I have problem with constraints. How do I delete data from tables belonging to a particular schema ? Could somebody help me with this please?

You Can Try Following Exec Sp. The traditional delete DML can be used to delete all rows within a table. This deletes all rows because there is no where clause in the delete statement.

Also note that when deleting all table data you may need to dedicate a super-large UNDO segment. The undo is used to hold all of the deleted table rows, in case or an. The DROP SCHEMA statement drops a schema.

The target schema must be empty for the drop to succeed. Neither the APP schema (the default user schema ) nor the SYS schema can be dropped. For a table with a small number of rows, the DELETE statement does a good job. However, when you have a table with a large number of rows, using the DELETE statement to remove all data is not efficient. Hi, I need to drop a schema un oracle.

These are tables in total. You may wish to check for the number of rows that will be deleted. However, because the base tables no longer exist, the materialized views in the other schemas can no longer be refreshed. If specifie it is the name of the schema that the table belongs. GitHub Gist: instantly share code, notes, and snippets.

In practice, you often delete a row from a table which has a foreign key relationship with rows from other tables. For example, you want to delete the sales order with id from the orders table and also delete all the line items associated with the order id from the order_items table. I don't want to drop tables, only delete the data sets.

Oracle delete all tables in schema ( data ). So the more inserts, updates and deletes you have the greater the overhead. Create a Restore Point. If user_name owns any objects (ie: tables or views in its schema ), you must specify CASCADE to drop all of these objects.