0
0
DBMS Theoryknowledge~10 mins

View serializability in DBMS Theory - Interactive Code Practice

Choose your learning style9 modes available
Practice - 5 Tasks
Answer the questions below
1fill in blank
easy

Complete the code to identify the schedule type.

DBMS Theory
A schedule is considered [1] if it is equivalent to some serial schedule.
Drag options to blanks, or click blank then click option'
Aview serializable
Brecoverable
Cconflict serializable
Dcascadeless
Attempts:
3 left
💡 Hint
Common Mistakes
Confusing conflict serializability with view serializability.
Assuming all serializable schedules are conflict serializable.
2fill in blank
medium

Complete the code to describe the condition for view equivalence.

DBMS Theory
Two schedules are view equivalent if they have the same [1] and final writes.
Drag options to blanks, or click blank then click option'
Acommit order
Brollback points
Cread operations
Dconflict order
Attempts:
3 left
💡 Hint
Common Mistakes
Confusing commit order with read operations.
Ignoring the importance of final writes.
3fill in blank
hard

Fix the error in the statement about view serializability.

DBMS Theory
View serializability is a stricter condition than [1] serializability.
Drag options to blanks, or click blank then click option'
Astrict
Bconflict
Ccascadeless
Drecoverable
Attempts:
3 left
💡 Hint
Common Mistakes
Thinking view serializability is stricter than conflict serializability.
Mixing up the definitions of serializability types.
4fill in blank
hard

Fill both blanks to complete the view serializability condition.

DBMS Theory
For view serializability, schedules must have the same [1] and [2] for all transactions.
Drag options to blanks, or click blank then click option'
Aread-from relations
Bcommit order
Cfinal writes
Dconflict edges
Attempts:
3 left
💡 Hint
Common Mistakes
Confusing commit order with read-from relations.
Ignoring the importance of final writes.
5fill in blank
hard

Fill all three blanks to complete the explanation of view serializability.

DBMS Theory
A schedule is view serializable if it is [1] to a serial schedule, has the same [2] for reads, and the same [3] for writes.
Drag options to blanks, or click blank then click option'
Aview equivalent
Bconflict equivalent
Cread-from relations
Dfinal writes
Attempts:
3 left
💡 Hint
Common Mistakes
Using conflict equivalence instead of view equivalence.
Mixing up read-from relations and conflict edges.