Cse 511 - Study guides, Class notes & Summaries

©THESTAR EXAM SOLUTIONS 2024/2025 ALL RIGHTS RESERVED. 1 | P a g e CSE 511 Midterm Exam Questions With Verified And Updated Answers True or false, sources of dat are becoming larger and more diverse - answerTrue, Billions or even trillions of data sources What is the goal of data processing? - answerTo extract data that is useful Why is the volume of data that is available so large? - answerIncreasing number of data sources (social media, wearable tech, sensors, cameras, etc), formats,...

©THESTAR EXAM SOLUTIONS 2024/2025 ALL RIGHTS RESERVED. 1 | P a g e CSE 511 – Midterm Exam Questions With Verified And Updated Answers Transaction - answerUser program that can either read or write data from or to the database system ACID - answerAtomicity, Consistency, Isolation and Durability ACID - Atomic - answerAll or nothing - Transaction must be completed in full or not at all (no subdividing) ACID - Consistency - answerTransactions will transform the database from one consist...

©THESTAR EXAM SOLUTIONS 2024/2025 ALL RIGHTS RESERVED. 1 | P a g e CSE 511 Midterm Exam Questions With Verified And Updated Answers Which of the following are the advantages of using a DBMS? - answerData Independence, Data Security, Concurrency, Data Administration... (Concurrent Access/Crash Recovery, Data Integration/Security, Reduced App Development Time) At which level of abstraction is the logical structure defined? - answerConceptual Schema What does the physical level of schema ...

CSE 511 Week 1-4 Questions And Accurate Answers 100% Correct...

True or false, sources of dat are becoming larger and more diverse True, Billions or even trillions of data sources What is the goal of data processing? To extract data that is useful Why is the volume of data that is available so large? Increasing number of data sources (social media, wearable tech, sensors, cameras, etc), formats, and data points How much data is possibly generated in a day? A petabyte (1 million GB) What is scalable data processing? Allows database processing systems ...

Transaction User program that can either read or write data from or to the database system ACID Atomicity, Consistency, Isolation and Durability ACID - Atomic All or nothing - Transaction must be completed in full or not at all (no subdividing) ACID - Consistency Transactions will transform the database from one consistent state to another. There are no violations of integrity constraints. ACID - Isolated Transactions execute independently of one another. Database changes are not rev...

©THESTAR EXAM SOLUTIONS 2024/2025 ALL RIGHTS RESERVED. 1 | P a g e CSE 511 Week 2 Exam Questions With Verified And Updated Answers Describe a file - answerLogical collection of data physically stored as a set of pages Name 3 alternative file organizations - answer1. Heap files 2. Sorted files 3. indexes Describe the characteristics of heap files - answerHeap files have a header page and then a series of data pages connected and in a random order. Suitable when accessing a large propo...

©THESTAR EXAM SOLUTIONS 2024/2025 ALL RIGHTS RESERVED. 1 | P a g e CSE 511 Week 4 Exam Questions With Verified And Updated Answers What is a sharded deployment of a database? - answerEach fragment resides in one site only What is the main disadvantage of full replication? - answerThe process to perform a single update is slower since it must be updated on different databases to keep the copies consistent. What Rule of Thumb do we use to consider Replication? - answerIf read-only queries...

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©THESTAR EXAM SOLUTIONS 2024/2025 ALL RIGHTS RESERVED. 1 | P a g e CSE 511 Week 1 Exam Questions With Verified And Updated Answers What is the role of a relationship in a database? - answerIt connects two entities. Which of the following can be an entity name in a database? - Gender - Student - First Name - Age - answerStudent can be an entity name because it is an object with multiple characteristics, such as name, address, phone number, etc. What is required in order to use the ca...