Select the statement that best defines row-centric storage? a. Row-Centric storage is a logical data storage technique in which data is stored in blocks, which hold data from all columns of a given set of rows b. Row-Centric storage is a local data storage technique in which data is stored in blocks, which hold data from all rows of a given set of columns OcRow.Centric storage is a physical data storage technique in which data is stored in blocks, which hold data from all rows of a given set of columns d. Row.Centric storage is a physical data storage technique in which data is stored in blocks, which hold data from all columns of a given set of rows MapReduce is the computing framework used to process large data sets across clusters.