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The type of failure that occurs when Oracle Database itself fails due to an operating system or computer hardware failure is called an instance failure.

A) True
B) False

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What is SQL*Plus?

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SQL*Plus is a character-based command li...

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In Oracle Database security,a Role can have many system privileges.

A) True
B) False

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Which type of trigger is commonly used to update views?


A) BEFORE triggers
B) AFTER triggers
C) SELECT triggers
D) INSTEAD OF triggers
E) UPDATE triggers

F) A) and B)
G) None of the above

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D

Which of the following is an account name for which you are asked to enter a password when Oracle Database creates a new database?


A) SYSTEM
B) SYS
C) INTERNAL
D) A and B
E) A,B and C

F) B) and D)
G) D) and E)

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In Oracle Database,to achieve transaction level consistency,which level of transaction isolation must be used?


A) Read Committed
B) Serializable
C) Repeatable Read
D) Read-only
E) Read Uncommitted

F) B) and C)
G) A) and B)

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B

For which of the following types of failure would Oracle Database use OnLine ReDo files as part of a recovery effort?


A) Instance failure
B) Administrative failure
C) Media failure
D) Logic failure
E) Application failure

F) A) and D)
G) C) and D)

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Instead of creating a new database instance in Oracle Database,it is preferable to create a new tablespace.

A) True
B) False

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Which of the following is a tool for managing an existing Oracle Database database?


A) The Oracle Enterprise Manager 11g Database Control
B) The Oracle SQL*Plus command utility program
C) The Oracle Database Configuration Assistant
D) A and B
E) A,B and C

F) All of the above
G) A) and D)

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Which of the following Oracle Database ReDo files are stored on disk and contain the rollback segments from recent database changes?


A) OnLine ReDo files.
B) Active ReDo files.
C) OffLine ReDo files.
D) Archive ReDo files.
E) All of the above.

F) A) and D)
G) A) and E)

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Briefly describe how Oracle Database implements serializable transaction isolation.

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Whenever a transaction begins,Oracle Dat...

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In the event of an application failure,Oracle Database uses the in-memory rollback segments and OnLine ReDo files to recover.

A) True
B) False

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You can include single line comments in an Oracle Database stored procedure by starting each comment line with the /* symbol.

A) True
B) False

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The GUI tool for creating a new index is the Oracle SQL Developer ________.


A) Edit Table table editor
B) Edit Index index editor
C) Edit Schema schema editor
D) A and B
E) A,B and C

F) A) and D)
G) B) and C)

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A

The Oracle database PL/SQL statement used to test for a condition and then direct when blocks of code should be run depending on the outcome of the test is:


A) DECLARE.
B) BEGIN.
C) IF...THEN...ELSE...END IF.
D) LOOP.
E) END;.

F) C) and D)
G) A) and B)

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The NextVal method provides the next value in a sequence.

A) True
B) False

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The PL/SQL keyword RETURN is used to exit a block of code and terminate whatever code structure is running.

A) True
B) False

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The Oracle Database variant of SQL with additional procedural language components is:


A) T-SQL.
B) PL/SQL.
C) My/SQL.
D) MS/SQL.
E) SQL.

F) A) and B)
G) B) and C)

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Which method returns the next value in a sequence?


A) CountVal
B) Next
C) UpVal
D) NextVal
E) Append

F) All of the above
G) B) and D)

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Which of the following can Oracle Database not support?


A) Triggers that are fired when SQL commands create new database structures.
B) Triggers that are fired before each row change in a table.
C) Triggers that are fired once when changes are made to rows in a table.
D) Triggers that are fired after each row change in a table.
E) All of the above are supported.

F) B) and E)
G) A) and D)

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