Contents: CS W186 Spring 2019 Midterm 2 Do not turn this page until instructed to start the exam. • You should receive one double-sided answer sheet and a 20-page exam packet. • The midterm has 6 questions, each with multiple parts. • The midterm is worth a total of 76 points. Taking the exam: • […]
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CS 186/286 Fall 2017 Midterm 2 • Do not turn this page until instructed to start the exam. • You should receive 1 single-sided answer sheet and a 16-page exam packet. • All answers should be written on the answer sheet. The exam packet will be collected but not graded. • You have 80 minutes
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CS W186 Fall 2018 Midterm 1 • Do not turn this page until instructed to start the exam. • You should receive one double-sided answer sheet and a 18-page exam packet. • All answers should be written on the answer sheet. The exam packet will be collected but not graded. • You have 80 minutes
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CS w186 Introduction to Database Systems Prof. Josh Hug Essential Queries • Why take this class? • What is this class all about? • Who is running this? • How will this class work? Who Am I? • 6th year faculty at UC Berkeley. Freshly tenured as of July 1st. • My title is “Associate
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CS W186 Spring 2020 Hashing 1 Motivation Sometimes, sorting is a bit overkill for the problem. In a lot of cases, all we want is to group the same value together, but we do not actually care about the order the values appear in (think GROUP BY or de-duplication). In a database, grouping like values
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Contents: CS W186 Fall 2019 Final Do not turn this page until instructed to start the exam. • You should receive one double-sided answer sheet and a 28-page exam packet. • The midterm has 11 questions, each with multiple parts, and worth a total of 153.5 points. Taking the exam: • You have 170 minutes
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Contents: CS W186 Spring 2019 Midterm 1 Do not turn this page until instructed to start the exam. • You should receive one double-sided answer sheet and a 17-page exam packet. • The midterm has 5 questions, each with multiple parts. • The midterm is worth a total of 60 points. Taking the exam: •
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Contents: CS W186 Fall 2018 Midterm 2 Do not turn this page until instructed to start the exam. • You should receive one double-sided answer sheet and a 12-page exam packet. • The midterm has 5 questions, each with multiple parts. • The midterm is worth a total of 61 points. Taking the exam: •
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CS W186 Fall 2018 Midterm 1 • Do not turn this page until instructed to start the exam. • You should receive one double-sided answer sheet and a 12-page exam packet. • All answers should be written on the answer sheet. The exam packet will be collected but not graded. • You have 80 minutes
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CS W186 Spring 2020 Recovery 1 Motivation In prior modules we discussed the ACID properties of transactions. In this note we will discuss how to make our database resilient to failures. The two ACID properties that we will learn how to enforce in this note are: 2 1. Durability: If a transaction finishes (commits), we
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