![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 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](https://cdn.numerade.com/ask_images/df87822afe22421c9b3267ebd3d742d2.jpg)
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
![SOLVED: Text: Question 4 (2 Marks) Consider the following SQL Query: SELECT fname, Iname, pname FROM WORKSON, PROJECT, DEPENDENT, EMPLOYEE WHERE EMPLOYEE.ssn = DEPENDENT.essn AND EMPLOYEE.ssn = WORKSON.essn AND PROJECT.pnumber = WORKSON.pno SOLVED: Text: Question 4 (2 Marks) Consider the following SQL Query: SELECT fname, Iname, pname FROM WORKSON, PROJECT, DEPENDENT, EMPLOYEE WHERE EMPLOYEE.ssn = DEPENDENT.essn AND EMPLOYEE.ssn = WORKSON.essn AND PROJECT.pnumber = WORKSON.pno](https://cdn.numerade.com/ask_images/fffb00997893457b86c2d6f8618bec0e.jpg)
SOLVED: Text: Question 4 (2 Marks) Consider the following SQL Query: SELECT fname, Iname, pname FROM WORKSON, PROJECT, DEPENDENT, EMPLOYEE WHERE EMPLOYEE.ssn = DEPENDENT.essn AND EMPLOYEE.ssn = WORKSON.essn AND PROJECT.pnumber = WORKSON.pno
![optimization - How can I apply heuristics to optimise an expression tree? - Database Administrators Stack Exchange optimization - How can I apply heuristics to optimise an expression tree? - Database Administrators Stack Exchange](https://i.stack.imgur.com/ntXkr.png)
optimization - How can I apply heuristics to optimise an expression tree? - Database Administrators Stack Exchange
![T9-Query Optimization - CS3402 Tutorial No. 5: Query Optimization 1. A canonical query tree is a - Studocu T9-Query Optimization - CS3402 Tutorial No. 5: Query Optimization 1. A canonical query tree is a - Studocu](https://d20ohkaloyme4g.cloudfront.net/img/document_thumbnails/5e854fdc0a62149fc19acbe2f11b2adb/thumb_1200_1699.png)
T9-Query Optimization - CS3402 Tutorial No. 5: Query Optimization 1. A canonical query tree is a - Studocu
![ST9-Query Optimization - CS3402 Tutorial No. 5: 1. A canonical query tree is a tree structure that - Studocu ST9-Query Optimization - CS3402 Tutorial No. 5: 1. A canonical query tree is a tree structure that - Studocu](https://d20ohkaloyme4g.cloudfront.net/img/document_thumbnails/a11748152033b8f9a8a04b2e66f6911c/thumb_1200_1553.png)