When youre performing active database duplication，a backup of what kind is required？（） A current RMAN backup-set backup is required.。 No backup is required.。 An RMAN image backup is required.。 A manual backup is required.。 A "duplicate" preparatory backup is required.。
104电空制动机电磁阀部由（）电磁阀组成。 3个。 4个。 5个。 6个。
Which view should a user query to display the columns associated with the constraints on a table owned by the user? （） USER_CONSTRAINTS。 USER_OBJECTS。 ALL_CONSTRAINTS。 USER_CONS_COLUMNS。 USER_COLUMNS。
锅炉的热效率是指（）。
You have an Automatic Storage Management （ASM） instance managing the database files of your production database. The database contains ASM files and non-ASM files. Using Recovery Manager（RMAN）， you migrate the complete production database to use the ASM instance. Which statement is true？（） RMAN would relocate all the database files to an ASM disk group.。 RMAN would change the file definitions in the control file to use the ASM but would not relocate the database files physically.。 RMAN would relocate all the data files to an ASM disk group and other files to an operating system location， defined using Oracle Managed Files （OMF）.。 RMAN would relocate the ASM files to an ASM disk group and the non-ASM files to an operating system location， defined using OMF。
IBM SONAS provides extreme scale out capability, a globally clustered NAS file system built upon（）.
