Sql case when exists

If the table that is being dropped does not exist , the . The following are the partitioning related enhancements introduced in Oracle 12c. If a drop partition is performed on a parent table , this operation cascades to all. If any of the tables named in the argument list do not exist , MariaDB returns an error indicating by name which non-existing tables it was unable to drop , but it . When you drop a table , the database does not immediately remove the space. NAME column shows the name of the object as it exists in the recycle bin. Oracle , SQL Server and Sybase have methods of doing this but with . DROP TABLE # drop table if exists.

ORA-009means that SQL parser saw no such table or view in your usable scope while parsing SQL statement. If your constraint needs to reference a table owned by others, you should. SQL drop table happy_employees purge;. Gurudatta on How to Update Opatch in Oracle Fusion Middleware . Use Existing: use the existing table ; Create If Needed: if no table currently exists , one will be created; Drop and Create: drop the destination .