Oracle has a set tables containing meta data about the database structure. There is a table of tables. A table of views. A table of columns. You can query these tables by using views such as USER_TABLES (tables in your schema), ALL_TABLES (tables you have permission to view), DBA_TABLES (all tables, if you have the privileges).How do you rename table in Oracle?
Determine if there are any dependencies prior to renaming a table in Oracle. If you are unsure of dependencies, you can use the “TOAD” tool to check the table’s status. First, select the table you plan to rename in the schema browser, Then find the “Used By” tab. Any dependencies will be listed in this section.What are the Oracle system tables?
A table is the basic unit of data storage in an Oracle database. The tables of a database hold all of the user accessible data. Table data is stored in rows and columns. (Continued on next question...)