Which is true regarding indexing operation?

Options
- Sorts a file using a single key.
- Sorts a file using two keys
- Established an index for a file
- Both B and C

CORRECT ANSWER : Established an index for a file

Discussion Board
Established an index for a file

When using indexes in an application, you might need to request that the DBA grant privileges or make changes to initialization parameters. To create a new index, you must own, or have the INDEX object privilege for, the corresponding table. The schema that contains the index must also have a quota for the tablespace intended to contain the index, or the UNLIMITED TABLESPACE system privilege. To create an index in another user's schema, you must have the CREATE ANY INDEX system privilege. You can create indexes on columns to speed up queries. Indexes provide faster access to data for operations that return a small portion of a table's rows.

Prajakta Pandit 03-14-2017 07:07 AM

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