Which two items are key for maintaining data consistency in Oracle Database 12c?
A.
undo data
B.
isolation level
C.
lock mechanism
D.
serializability
Which two items are key for maintaining data consistency in Oracle Database 12c?
Which two items are key for maintaining data consistency in Oracle Database 12c?
A.
undo data
B.
isolation level
C.
lock mechanism
D.
serializability