3. What are the three phases in which the transaction is executed in the validation-based protocol?Read phase Validation phase Write phase All of the aboveAnswer: D) All of the aboveExplanation:The three phases in which the transaction is executed in the validation-based protocols are -...
However, given the traditionally “flat” nature of database tables, there has until recently been no corresponding structure in persistent data, although object-relational DBMSs (database management systems)—such as Postgres, first described in (Stonebraker and Moore, 1996)—and recent versions of...
for each delegated lock owned by a delegator transaction, testing validity of delegating the lock based, at least in part, on ignore conflicts relationships amongst the delegatee transactions and between the delegatee transactions and otherwise incompatible-mode owners of locks, which would remain after...