... otherqueries as carefully, their basic structure is the same. The SQL forthis query is:SELECT sum(lo.revenue), d.year, p.brand1FROM lineorder AS lo, dwdate AS d,part AS p, supplier AS sWHERE ... from a column are passed as a block from one operator to the next, ratherthan using Volcano-style per-tuple iterators [11]. If the val-ues are fixed-width, they are iterated through as an array.• ... fact ta-ble that are accessed by the SSBM queries are not very compress-ible if they do not have order to them, since they are either keys(which have high cardinality) or are random values....