Identify the logical structure that will never have more than one data segment created for it.
View the Exhibit and examine the command used to create the ZONEDATA table. The table contains a million rows for zonewise analysis in the DSS system. DML operations are performed very rarely on the table. You decide to prepare an index on the ZONE column to enhance the performance of the queries on the ZONE column.
Which type of index would you select in this scenario?
Exhibit:
The user HR owns the EMP table. The user HR grants privileges to the user SCOTT by using this command:
Which statement is true after HR issues the REVOKE command?
Which statement describes the effect on an index, when the indexed column for the rows is updated in the base table?
You are managing an Oracle Database 11g database running in ARCHIVELOG mode. The Flash Recovery Area is specified as the destination for the archived redo log files. You notice this warning in the alert log file:
ORA19815: WARNING: db_recovery_file_dest_size of 3221225472 bytes is 100.00% used, and has 0 remaining bytes available.
What would you do to reclaim the used space in the Flash Recovery Area? (Choose two.)
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