$17\mathrm{.}14$ The transactions $T,U$ and $V$ of Exercise $17\mathrm{.}12$ use strict two$-$phase locking and their

requests are interleaved as follows:

Assuming that the recovery manager appends the data entry corresponding to each write

operation to the log file immediately instead of waiting until the end of the transaction,

describe the information written to the $log$ file on behalf of the transactions $T,U$ and $V.$

Does early writing affect the correctness of the recovery procedure? What are the

advantages and disadvantages of early writing?