Returns the employee IDs of employees who do not have dependents that are of greater age as
compared to employee.
A1 (A2 (F 1 (F 2 (r)
Since F1, F2 are Boolean expressions based on the attributes in r, we can test the expressions together using AND
clause
Cheat Sheet.
time forward processing example
Space saving example with error DS Stream summaryAss1 RA AND RC solution
Query Optimization
Misra Gries Low P
FM SKETCH !
Why Is This Important?
Transaction Management Overview
How can we perform multiple DB operations as one
atomic unit?
Example: insert new dorm building
First insert building into DormBuilding: rejected, because no
rooms registered for it in RoomContain
10/26/10
Outline
Serial and Serializable Schedules (18.1)
Conflict Serializability (18.2)
Locks (18.3)
Introduction to Database Systems
CSE 444
Lecture 13
Transactions: concurrency control
(part 1)
Magda Balazinska  CSE 444, Fall 2010
1
The Problem
2
B561 Assignment 3 Solutions
Instruction: ALL students MUST write their own proofs, and writeups. Please submit your assignment as a single
le in PDF format through Oncourse. Please add references to ALL the resources you have used for completing
the assi
1
2
3
1
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Value = 1
ID = x
ID = y
x = 0
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ID = x
ID = y
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x = 0
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z = 1
y = 0
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Join Indices
PATRICK VALDURIEZ
Microelectronics and Computer Technology Corporation
In new application
areas of relational database systems, such as artificial
intelligence, the join
operator is used more extensively than in conventional
applications. In
CMSC 724: FMSketches; Data Mining
Amol Deshpande
University of Maryland, College Park
May 1, 2007
Aside: FMSketches
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in a sequence in one pass with minimum memory
N = Length of the sequence
n = Numb
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OVERVIEW:
Traffic Ruler
Pratish Merchant
Sagar Bhandare
Sruthi Ramesh Vani
Vikrant Kaushal
Overview
Delivered On:
November 7, 2015
About The Game
Provide any resident/visitor of Indiana with a platform
to get familiar with the traffic rules
Player get to
Carnegie Mellon University
Department of Computer Science
15415/615  Database Applications
C. Faloutsos, A. Pavlo , Spring 2015
Homework 5 (by Elomar Souza)  Solutions
Due: hard and ecopy, at 1:30pm, Mar. 17th, 2015
IMPORTANT what to hand in:
1. Hard
Technical Report CS97529, Department of Computer Science and Engineering, University of California at San Diego, March 1997. Revised March 2002.
A Note on Negligible Functions
Mihir Bellare
Dept. of Computer Science & Engineering
University of California
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INTERS
Milind Gokhale
October 11, 2014
B561 Assignment 2
1. (15%) Please give an example that illustrate a B+ tree insertion which will invoke the
maximum update cost. You are asked to: (1) draw the B+ tree before the insertion; (2)
specify the insertion; (3) dr
B561 Assignment 2 Solutions
Instruction: Please submit your assignment as a single le in PDF format through Oncourse. Please add
references to ALL the resources you have used for completing the assignment. You are allowed to
discuss the assignment with ot