Question
In a DBMS using a "Strict Two-Phase Locking" protocol,
when is a transaction allowed to release its locks? ÂSolution
Only after it has committed or aborted
Statements:Â Â Â Â Â
No book is a pencil.
All books are boards.
All boards are dusters.
No eraser is a duster.
...
Statements:All circles are rectangles.
No rectangle is a square.
Conclusions:I. No square is a rectangle.
II. Some rectangles are...
Statements : Some eggs are chickens.
No chicken is a hen.
No hen is a pigeon.
Conclusions : I. Some eggs may be hens.
II....
Statements :
All sparrows are parrots.
No parrot is bird.
All birds are peacocks.
Conclusions:
I. Some birds are ...
Statements: Some cars are scooters.
      All scooters are bikes.
Conclusions: I. some cars are bikes.
   II. Some...
Statements:Some students are Rich.
No Rich is a teacher.
Conclusions:I. Some teacher are not Rich.
II. Some Rich are students.
Statements: All flowers are books.
All books are carpets.
Some carpets are keys.
Some keys are locks.
Conclusions:I. Some ke...
Statement:
At-least some chairs are tables.
A few tables are fans.
Only a few windows are tables.
All tables are doors.
Statement:Â
Some jeans are not shirt.
All shirts are pant.
Some pants are not blazers.
Conclusion:
I. Some blaze...
Statements:
Only a few passage is comprehension
A few comprehension is language
All language is story
Conclusions: ...
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