单项选择题
A.CLOB
B.BLOB
C.BFILE
D.LONG RAW
单项选择题 Note the following functionalities of various background processes: 1. Record the checkpoint information in data file headers. 2. Perform recovery at instance startup. 3. Cleanup unused temporary segments. 4. Free the resources used by a user process when it fails. 5. Dynamically register database services with listeners. 6. Monitor sessions for idle session timeout. Which option has the correct functionalities listed for a background process()
单项选择题 You are using Enterprise Manager to schedule backups for your database. Which type of script would begenerated by the backup scheduler()
单项选择题 in your database instance, the STATISTICS_LEVEL initialization parameter is set to BASIC. What is the impactof this setting()