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ACCTCR ACCTDB algorithm ASSEMBLY attrib axis B-tree binary binary relation block blocksize Bloom filter boundary bytes Cartesian product cell Chapter closure Codd cost CUSTOMER database defined deletions DEPT differential file discussed disk domain algebra E.F. Codd edges effective passes entries Equation equiv equivalence reduction example Exercise fanout FLOOR functional dependence gives graph Hannah Trainman hash function histogram ijoin implementation internal nodes ITEM join attribute linear probing load factor Locomotive main file merge multipaging natural join null value number of tuples o--join operations ORDERBOOK ORDLINE overflow partition pointer processing projection query records relational algebra requires result SALESMAN search key secondary storage Section segment selection sequential file shown in Exhibit shows sort-merge space specified split spread sheet stored tion topological sort TOTOUT Toy Train transactions transitive closure tree tuples ujoin update virtual hashing