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Which two are true about AWR snapshots? (Choose two.)
Which two are true about transactions, UNDO segments, and UNDO tablespaces? (Choose two.)
Examine these commands and their output:

A power failure occurs. The instance is restarted and this query is executed.
SQL> SELECT ename FROM emp;
What is the outcome?
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Your database is configured in archivelog mode.
The USERS01 tablespace is currently online.
You are required to take the tablespace offline.
Which clause or clauses ensure that no media recovery is required when the tablespace is brought back online?
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Log In / Sign UpYou have to create a table, STUDENTS, with the columns: STUDENT_ID, STUDENT_NAME, DATE_OF_BIRTH, and COURSE_ID.
The following constraints have to be enforced on this table:
Which three are true about auditing? (Choose three.)