The database manager component which is responsible for managing the sequence of operations that can be considered as one logical operation is called: Select one: O a. Transaction manager O b. Query optimizer O c. All the above O d. Buffer manager Next pa ege NEXT ACTIVITY Alms >> EVIOUS ACTIVITY roduction to SQL ENG 1621 PM 2/19/2021 ORI Type here to search DOO TE Delete Home End 610 +