CS61B Fall 2017 UNIVERSITY OF CALIFORNIA Department of Electrical Engineering and Computer Sciences Computer Science Division P. N. Hilfinger READ THIS PAGE FIRST. Please do not discuss this exam with people who haven’t taken it. Your exam should contain 7 problems on 11 pages. Officially, it is worth 17 points (out of a total of […]
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PowerPoint Presentation Introduction to Database Jianjun Chen Thanks, Matt Contents Database introduction 不必掌握 Relational model Relational Keys What is Data? Example 1: An array that stores some numbers, which can be retrieved sometime later. private int workloadWeekly[] = {2, 3, 5, 2, 1, 9}; public int getWorkload(String dayOfWeek) { switch (dayOfWeek.toLowerCase()) { case “monday”: return
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Relational Algebra Relational Algebra Jianjun Chen Contents Basic operators in relational algebra. Cartesian product and Joins. Aggregations, division and grouping. Relational Algebra DBMS: Software that is designed to enable users and programs to store, retrieve and update data. We need a language to describe these operations. The language is called Structured Query Language (SQL) What
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Microsoft PowerPoint – lectureweek7 (1).pptx PLSQL Basics II KIT712 Announcements • Test 2: SQL Queries and Optimisations after midsemester break • Lectures (SQL Queries, Database Security ,SQL Optimisations) • Tutorial (SQL Queries and SQL Optimisation) • Question Types & Duration will be sent by email • Mock test will be available by Mylo • Will be using livesql website. • Marks for assignment and Test 1 will be finalised by this Friday. General comments will be
Creating a Ruby on Rails Application Before following these instructions please make sure you have completed the steps in the guide ¡°Getting Started with GitLab¡±. Which repository? When you are practising developing with Ruby on Rails (e.g. when completing worksheets) you should use your personal Git repositories. GitLab will allow you to create up to
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1.Intro_Networks Introduction to Computer Networks Computer Networks and Applications Week 1 COMP 3331/COMP 9331 Reading Guide: Chapter 1, Sections 1.1 – 1.4 1 Acknowledgment v Majority of lecture slides are from the author’s lecture slide set § Enhancements + additional material 2 1. Introduction Goals: v get “feel” and terminology v defer depth and detail
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4.Application_Part2 Application Layer (DNS, P2P, Video Streaming and CDN) Computer Networks and Applications Week 3 COMP 3331/COMP 9331 Reading Guide: Chapter 2, Sections 2.4 -2.7 2 Application Layer: outline 2.1 principles of network applications 2.2 Web and HTTP 2.3 electronic mail • SMTP, POP3, IMAP 2.4 DNS 2.5 P2P applications 2.6 video streaming and content
3.Intro_Applications Application Layer (Principles, Web, Email) Computer Networks and Applications Week 2 COMP 3331/COMP 9331 Chapter 2, Sections 2.1-2.3 1 2. Application Layer: outline 2.1 principles of network applications 2.2 Web and HTTP 2.3 electronic mail § SMTP 2.4 DNS 2.5 P2P applications 2.6 video streaming and content distribution networks (CDNs) 2.7 socket programming with
Algorithms and Analysis COSC 2123/1285 Assignment 2: Algorithm Design & Complexity Analysis Assessment Type Individual Assignment. Submit online via Canvas → Assign- ments → Assignment 2. Clarifications/updates/FAQs can be found in Canvas Announcements and Discussion → Assign- ment 2 Queries. Due Date Week 12, 11:59pm, October 15, 2021 Marks 40 IMPORTANT NOTES • If you
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Copy_of_2020F_CIS545_Homework_4 CIS 545 Homework 4 : Machine Learning¶ Due November 16th, 10pm EST¶ Worth 100 points in total¶ Hopefully everyone is doing well after this midterm – we’re halfway there! We hope to continue to equip your data science toolkit with new skills through out the remainder of the semester. This homework will give you