Database Performance and Optimization
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Questions and Answers

What is the acronym for the properties that relational databases must adhere to?

  • ADIC
  • ACID (correct)
  • AICD
  • ACDC
  • True or false: NewSQL databases can support distributed and multi-model features.

    True

    What is the acronym for the properties that relational databases adhere to?

  • ACD
  • ADI
  • ACI
  • ACID (correct)
  • What is the main disadvantage of using mainframe databases?

    <p>They are expensive</p> Signup and view all the answers

    What type of databases are more affordable but may not have the best scale-up performance?

    <p>Hyper-converged Database appliances</p> Signup and view all the answers

    True or false: Database optimization does not include hardware aspects.

    <p>False</p> Signup and view all the answers

    What type of databases are Google Spanner and NewSQL?

    <p>Distributed and multi-model</p> Signup and view all the answers

    What technology is used for scale-out, but requires many code changes to the application?

    <p>Middleware-based sharding</p> Signup and view all the answers

    True or false: An in-memory cache can be used to improve database performance.

    <p>True</p> Signup and view all the answers

    What is one way to improve database performance?

    <p>Using an in-memory cache as a data layer between applications and databases</p> Signup and view all the answers

    True or false: Relational databases do not adhere to the ACID properties.

    <p>False</p> Signup and view all the answers

    What is one way to improve database performance?

    <p>Use of an in-memory cache</p> Signup and view all the answers

    What can the Intel 3rd Xeon scalable platform processor provide for database performance?

    <p>Both A and B</p> Signup and view all the answers

    What processor is a good choice for database performance?

    <p>Intel 3rd Xeon scalable platform processor</p> Signup and view all the answers

    True or false: Mainframe databases are more affordable than Hyper-converged Database appliances.

    <p>False</p> Signup and view all the answers

    Study Notes

    • Relational databases are based on the relational model, strictly adhering to a-to-mi-city, consistency, isolation, and durability properties - which we call ACID.
    • Mainframe databases are outdated and expensive, while RISC+ DiskArrays and Hyper-converged Database appliances are more affordable but compromise on scale-up performance.
    • Middleware-based sharding is used for scale-out, but requires many code changes to the application.
    • NewSQL databases like Google Spanner were invented to support distributed and multi-model features.
    • In-Memory Data Grid is the future direction of Databases, and memory resources can be more easily pooled, accelerating the design and deployment of IMDG in the cloud.
    • Database optimization is an important part of keeping a database running at its best.
    • There are many aspects to database optimization, including architecture, hardware, application, and database engine aspects.
    • One way to improve database performance is by using an in-memory cache as a data layer between applications and databases.
    • Separation of storage and compute can also help improve database performance.
    • The Intel 3rd Xeon scalable platform processor is a good choice for database performance because it has more cores and higher frequency.

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    Description

    Test your knowledge about database performance, optimization techniques, and modern database solutions including ACID properties, sharding, NewSQL databases, in-memory data grid, and hardware choices for database performance.

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