You are working on an Oracle Database 10g database. Because of data loss, you decided to perform a Flashback Database operation using the following command: SQL> FLASHBACK DATABASE TO TIMESTAMP(SYSDATE 5/24); Which two statements are true? () SYSDATE should not be used with TIMESTAMP.。 The database must have multiplexed redo log files.。 The database must be in the MOUNT state to execute the command.。 The database must be opened with the RESETLOGS option after the flashback operation.。 The entire database needs to be restored from the most recent backup before the flashback operation.。
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How can a system administrator determine if a system is running in 32-bit or 64-bit mode() Use the Is -al to see if/unix is linked to /usr/lib/boot/unix_64。 Check the /etc/inittab to see if there is a load64bit entry。 Use ’prtconf -c1 to see if the system is 64-bit enabled。 Use the Islpp command to see if the bos.mp64 fileset is installed。
Before a Flashback Table operation,you execute the following command: ALTER TABLE employees ENABLE ROW MOVEMENT; Why would you need this to be executed?() Because row IDs may change during the flashback operation。 Because the object number changes after the flashback operation。 Because the rows are retrieved from the recycle bin during the flashback operation。 Because the table is moved forward and back to a temporary during the flashback opertio。
体育教学除了遵循一般的教学规律外,还要遵循的特殊教育规律是()()和()。
Companycom is planning for a 64-way p5 595. The plan is to use Virtual IO Servers and micropartitioning. What is the maximum number of partitions they can allocate?()