单项选择题 Evaluate the following command：   SQL> CREATE TABLE design_data （id NUMBER， doc CLOB）  LOB（doc） STORE AS SECUREFILE（DEDUPLICATE）；   Which statement is true regarding the above command？（）

单项选择题 The Oracle Database 11g database is running in the ARCHIVELOG mode. The archived redo log files are stored on three locations. The Flash Recovery Area is one of the locations. The details are given below：   LOG_ARCHIVE_DEST_1 = ’LOCATION = /disk1/archive’ LOG_ARCHIVE_DEST_2 = ’SERVICE = stdb1’ DB_RECOVERY_FILE_DEST = ’/u01/oradata’   Examine the following RMAN command issued to set the deletion policy for archived log files：   RMAN> CONFIGURE ARCHIVELOG DELETION POLICY TO BACKED UP 2 TIMES TO sbt； Which statement is true regarding what this command accomplishes？（）

单项选择题 Consider the following scenario for your database: - Backup optimization is enabled in RMAN. - The recovery window is set to 7 days in RMAN. - The most recent backup to disk for the TOOLS tablespace was taken on November 3, 2007. - The TOOLS tablespace is read-only since November 4, 2007. On November 23, 2007, you issue the RMAN command to back up the database to disk. Which statement is true regarding the backup of the TOOLS tablespace?（）