'Recursive queries' presentation slideshows

Database and Information Systems

Database and Information Systems. Beyond RDBMS Lectures based on material from Phil Trinder (HW) , Connelly & Begg textbook Monica Farrow G30 email : monica@macs.hw.ac.uk. Topics. Impedance mismatch Persistence OR Mapping Frameworks Limitations of RDBMS OODBMS ORDBMS.

586 views • 46 slides

Object (and Object-Relational) Database Systems (part two) CSS263 Lecture 18

Object (and Object-Relational) Database Systems (part two) CSS263 Lecture 18. LECTURE PLAN OBJECT DATABASE SYSTEMS PART TWO What is an OODBMS? Advantages and Disadvantages of OODBMSs What is an ORDBMS? What is SQL3? Comparison of OODBMSs and ORDBMSs When to use an OODBMS

759 views • 43 slides

Datalog

323 views • 15 slides

Optimizing recursive queries in sql

Optimizing recursive queries in sql. BY: Mark Gruszecki. Overview. What is a Recursive Query? Definition(s) and Algorithm(s) Optimization Techniques Practical Issues Impact of each Optimization Conclusion.

270 views • 13 slides

Optimizing recursive queries in sql

Optimizing recursive queries in sql. BY: Mark Gruszecki. Overview. What is a Recursive Query? Definition(s) and Algorithm(s) Optimization Techniques Practical Issues Impact of each Optimization Conclusion.

246 views • 13 slides

Datalog

Datalog. Inspired by the impedance mismatch in relational databases. Main expressive advantage: recursive queries. More convenient for analysis: papers look better. Without recursion but with negation it is equivalent in power to relational algebra

372 views • 11 slides

Processing XML data using a relational database: Schema-Based XML Storage

Processing XML data using a relational database: Schema-Based XML Storage. By Khang Nguyen Based on the paper of Rajasekar Krishnamurthy. Three main points on the query translation problem.

92 views • 9 slides

Laguna Beech Extract of the important and unimportant topics Bernstein DeWitt Gawlick Gray Maier Schek Stonebraker

257 views • 8 slides