Query Optimization (in Relational Databases) | SpringerLink
SOLVED: Technicians (SSN, techname, address, phonenumber), Tests (FAAid, testname, maxscore), Planes (Pid, model), and Examine (SSN, FAAid, Pid, date, score). QUESTION: How to draw a QUERY TREE of a query that uses "
CP 465 Query Optimization Wilfrid Laurier University
SOLVED: A canonical query tree is a tree structure that corresponds to a relational algebra expression or an SQL query directly (following definitions), without doing any optimization. As such, it is usually