'Relational query language' diaporamas de présentation

CQL: A Language for Continuous Queries over Streams and Relations

CQL: A Language for Continuous Queries over Streams and Relations. Jennifer Widom Stanford University Joint work with Arvind Arasu & Shivnath Babu st anfordst re amdat am anager. Data Streams. Continuous, unbounded, rapid, time-varying streams of data elements

755 views • 62 slides

RELATIONAL ALGEBRA

Lecture 7. RELATIONAL ALGEBRA. Prof. Sin-Min LEE Department of Computer Science. Terminology: table (relation) row (tuple) formally, a relation is a set of ordered n-tuples. Domain : set of data values from which an attribute value can be drawn. Eg. set of department names

720 views • 57 slides

The Relational Model

The Relational Model. CS 186, Spring 2006, Lecture 2 R & G, Chap. 1 & 3. Administrivia I. CS 186 IS MOVING!!!! Starting TUES 1/24 (next week) we will be in 105 NORTHGATE. CS 186 IS MOVING!!!! Starting TUES 1/24 (next week) we will be in 105 NORTHGATE. Administrivia II.

466 views • 34 slides

An Abstract Semantics and Concrete Language for Continuous Queries over Streams and Relations

An Abstract Semantics and Concrete Language for Continuous Queries over Streams and Relations. Presenter: Liyan Zhang Presentation of ICS 224. outline. Introduction Related Work Running Example Streams and Relations Modeling the Running Example Mapping Operators

417 views • 27 slides

SQL: The Query Language Part 1

571 views • 25 slides