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Question 3 Consider the following logical schema, that implements a two-dimensional data cube. The data cube contains information about the enrolments of subjects performed by the students. Assume, that the files student . txt, subject . txt, and enrolment. txt contain data consistent with a logical schema of two-dimensional data cube given abov
Scope The objectives of Assignment 2 include conceptual modeling of a data warehouse, logical design of a data warehouse, implementation of a data warehouse as a collection of external tables in Hive, and querying a data cube. Task 1 The intuitive design of a data cube from a functional specification of operational database A train company has an
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Scope The objectives of Assignment 1 include an analysis and processing of unknown HDFS applications, implementation of MapReduce application without the Reduce phase, describing a MapReduce application, and implementation of MapReduce applications. Task 1 Discovering the functionality and processing of unknown HDFS applications. Consider the ava
Objectives On completion of this assignment you should be able to: Understand some basic techniques for building a secure channel. Understand network programming. Write (Java or C/C++) UDP programs allowing two parties to establish a secure communication channel. For simplicity, let us call the programs “Host” and “Client”, which are
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Objectives Able to write clear code with comments and follow a coding convention Able to use variables with meaningful names and correct data types Able to define functions and class objects Able to raise exceptions and handle different errors Assignment questions: there are 5 assignment questions. Write clear code with comments and foll
Aim The objectives of this assignment include: tasks related to the implementation of discretionary access control, granting system resources, verification of complex consistency constraints, tasks related to using backup and restore features of DBMS to find the differences between two states of a relational table, and implementation of a sim
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Assignment Overview: Aim: To gain a basic familiarity with public-key cryptography and its applications. Task 1. Simplified Hash Functions SHA-1 (or SHA1) is a hash function that produces 160-bit digest (output). You can download the source code for SHA-1 from the web, but you need to state where you get the original code from. As an example, see t
