At database startup, you discover that one of the disks containing an index tablespace has been lost due to a media failure. A backup of the lost index tablespace is not available. You have all the necessary scripts to recreate the indexes. You need to re-create the indexes in a new index tablespace. Which action must you perform before re-creating the indexes?()
第1题:
Your database is running in NOARCHIVELOG mode with two online redo log files. The SALES table contains sales information for the organization. The SALES table belongs to the SALESTB tablespace. On Monday, you insert 10 rows into the SALES table. The current log sequence number is 14. You change the tablespace status from READ WRITE to READ ONLY for the SALESTB tablespace. You shut down the database and take a backup of the SALESTB tablespace. On Tuesday, you start the database. You change the status for the SALESTB tablespace from READ ONLY to READ WRITE. You insert 10 more rows into the SALES table and shut down the database. The current log sequence number is 15. When you try to open the database on Wednesday morning, you discover that the SALESTB tablespace was lost because of a media failure. Which of the following options is true about recovering the SALES table?()
第2题:
Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERStablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten since the last backup. What would you do to recover the data file()
第3题:
Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERS tablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten sincethe last backup. What would you do to recover the data file()
第4题:
You lost the index tablespace in your database. You are not able to use tablespace point/x7fin/x7ftime recovery on the index tablespace. What could be the reason for this?()
第5题:
You noticed that the index tablespace in your database requires a recovery. However, instead of performing a media recovery, you decided to re-create the indexes in a new tablespace. Which two options would you use to reduce the time it takes to re-create the indexes?()
第6题:
You lost the index tablespace in your database. You decided to re-create the index tablespace and the indexes in the tablespace. What methods can you use to re-create the indexes?()
第7题:
You lost the index tablespace in your database. You decided to re/x7fcreate the index tablespace and the indexes in the tablespace. What methods can you use to re/x7fcreate the indexes?()
第8题:
You are a DBA of your company. You created a database named SALES on an Oracle 10g instance. You have defined an index named INDEX1 on the database table named INVENTORY. Users are complaining that queries accessing the INVENTORY table are running slow. Upon investigation you determine that the tablespace where the index is located is experiencing high I/O and you decide to relocate the index to another tablespace. Which of these will be the best way to accomplish this objective?()
第9题:
You executed the STARTUP MOUNT command to start your database. For which database operation do you need to start the database in the MOUNT state?()
第10题:
You lost the index tablespace in your database. You are not able to use tablespace point-in-time recovery on the index tablespace. What could be the reason for this?()