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多选题
You work as a database administrator for Certkiller .com. In your development environmentenvironment， the developers are responsible for modifying the table structure according to the application requirements. However， you want to keep track of the ALTER TABLE commands being executed by developers， so you enable auditing to achieve this objective. Which two views would you refer to find out the audit information？（）
A
DBA_AUDIT_TRAIL
B
DBA_AUDIT_SESSION
C
DBA_FGA_AUDIT_TRAIL
D
DBA_COMMON_AUDIT_TRAIL
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单选题You work as a database administrator for Certkiller .com. Client connection requests are failing because the listener is not responding. You want to forward client connect requests to another listener if one listener is not responding. How do you achieve this？（）A
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AB
BC
CD
D
考题
多选题You work as a database administrator for Certkiller .com. In your development environmentenvironment， the developers are responsible for modifying the table structure according to the application requirements. However， you want to keep track of the ALTER TABLE commands being executed by developers， so you enable auditing to achieve this objective. Which two views would you refer to find out the audit information？（）ADBA_AUDIT_TRAILBDBA_AUDIT_SESSIONCDBA_FGA_AUDIT_TRAILDDBA_COMMON_AUDIT_TRAIL
考题
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考题
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考题
多选题You work as a database administrator for Certkiller .com. You want to create your database with the automatic undo management feature enable.Which two tasks must you perform to achieve this？（）ASet the UNDO_RETENTION parameter to AUTO.BCreate an initial undo segment in undotablespace.CSet the UNDO_RETENTION parameter to 900 or moreDSet the initialization parameter UNDO_MANAGEMENT to AUTOESet the UNDO_MANAGEMENT parameter to the name of an undotablespace
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