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Oracle
Level:-Basic
Q(1) SNAPSHOT is used for _____.
A   Synonym
B   Table space
C   System server
D   Dynamic data replication
Q(2) A DIALOG WINDOW has a scroll bar attached to it.
A   True
B   False
Level:-Intermediate
Q(1) LGWR process writes information into Redolog files.
A   True
B   False
Q(2) Which is true about the primary key?
A   Every table should have a primary key.
B   A primary key exclusively identifies each row in a table.
C   A primary key can be made of multiple fields.
D   All of the above
Level:-Expert
Q(1) Database structure is maintained in a file called _____.
A   Redolog file
B   Data file
C   Control file
D   All of the above
Q(2) POST-BLOCK trigger is a _____.
A   Navigational trigger
B   Key trigger
C   Transactional trigger
D   None of the above
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