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Consider the following database schedule with two transactions, T1 and T2.S = r2(X); r1(X); r2(Y); w1(X); r1(Y); w2(X); a1; a2;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-recoverableb)S is recoverable, but has a cascading abortc)S does not have a cascading abortd)S is strictCorrect answer is option 'C'. Can you explain this answer? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared
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Here you can find the meaning of Consider the following database schedule with two transactions, T1 and T2.S = r2(X); r1(X); r2(Y); w1(X); r1(Y); w2(X); a1; a2;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-recoverableb)S is recoverable, but has a cascading abortc)S does not have a cascading abortd)S is strictCorrect answer is option 'C'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Consider the following database schedule with two transactions, T1 and T2.S = r2(X); r1(X); r2(Y); w1(X); r1(Y); w2(X); a1; a2;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-recoverableb)S is recoverable, but has a cascading abortc)S does not have a cascading abortd)S is strictCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for Consider the following database schedule with two transactions, T1 and T2.S = r2(X); r1(X); r2(Y); w1(X); r1(Y); w2(X); a1; a2;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-recoverableb)S is recoverable, but has a cascading abortc)S does not have a cascading abortd)S is strictCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of Consider the following database schedule with two transactions, T1 and T2.S = r2(X); r1(X); r2(Y); w1(X); r1(Y); w2(X); a1; a2;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-recoverableb)S is recoverable, but has a cascading abortc)S does not have a cascading abortd)S is strictCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Consider the following database schedule with two transactions, T1 and T2.S = r2(X); r1(X); r2(Y); w1(X); r1(Y); w2(X); a1; a2;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-recoverableb)S is recoverable, but has a cascading abortc)S does not have a cascading abortd)S is strictCorrect answer is option 'C'. Can you explain this answer? tests, examples and also practice Computer Science Engineering (CSE) tests.