Distributed Query Processing Agenda Recap of query optimization Transformation rules for P&D systems Memoization Queries in heterogenous systems Query evaluation strategies…
Internal nodes are Executed when inputs are ready - Replaced by results + Different representation for the same algebra expression … assumed to be the initial form There…
Internal nodes are Executed when inputs are ready - Replaced by results + Different representation for the same algebra expression … assumed to be the initial form There…
Internal nodes are Executed when inputs are ready - Replaced by results + Different representation for the same algebra expression … assumed to be the initial form There…