where ri(Z) denotes a read operation by transaction Ti on a variable Z, wi(Z) denotes a write operation by Ti on a variable Z and ai denotes an abort by transaction Ti . Which one of the following statements about the above schedule is TRUE?

S is recoverable, but has a cascading abort

S does not have a cascading abort

where ri(Z) denotes a read operation by transaction Ti on a variable Z

1.	where ri(Z) denotes a read operation by transaction Ti on a variable Z, wi(Z) denotes a write operation by Ti on a variable Z and ai denotes an abort by transaction Ti . Which one of the following statements about the above schedule is TRUE?
A.	S is non-recoverable
B.	S is recoverable, but has a cascading abort
C.	S does not have a cascading abort
D.	S is strict
Answer» D. S is strict

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where ri(Z) denotes a read operation by transaction Ti on a variable Z, wi(Z) denotes a write operation by Ti on a variable Z and ai denotes an abort by transaction Ti . Which one of the following statements about the above schedule is TRUE?

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