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20 Mar

If you cannot afford to lose the table after you have created it (for example, you will no longer have access to the data used to create the table) you should take a backup immediately after the table is created.In some situations, such as for tables that are created for temporary use, this precaution may not be necessary.After you create a table, you insert rows of data using SQL statements or using an Oracle bulk load utility.

The following situations illustrate how not specifying a tablespace, or specifying an inappropriate one, can affect performance: attribute of the table and generate redo.

For partitioned tables, you can optionally identify the tablespace that is to store each partition.

Ensure that you have the appropriate privileges and quota on any tablespaces that you use.

Either the DBA or the applications developer, or both working jointly, can be responsible for the actual creation of the tables, depending upon the practices for a site.

Working with the application developer, consider the following guidelines when designing tables: Before creating a table, you should also determine whether to use integrity constraints.