Vlad Mihalcea

@vlad_mihalcea

Champion working on Optimizer, database aficionado, author of High-Performance Java Persistence. Blogging at

Vrijeme pridruživanja: prosinac 2013.

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  1. Prikvačeni tweet
    19. pro 2019.

    It takes 1 minute to add Optimizer to your Persistence project, and you can instantly find hundreds of performance-related issues. Imagine how much time it would take to find all those issues the old fashioned way.

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  2. proslijedio/la je Tweet

    It is with great pleasure that we announce that the JavaZone 2020 CfP is now open! Submit your proposals at . The lines will be open until April 17th, so start your brainstorming!

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  3. prije 7 sati

    I could be the first person who submitted a talk to since the CFP has just been opened. This is an amazing conference, so you should submit your proposal too.

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  4. proslijedio/la je Tweet
    prije 12 sati
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  5. prije 13 sati
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  6. proslijedio/la je Tweet
    prije 15 sati

    Using SQL's `EXISTS` and `NOT EXISTS`: (`EXISTS` has been part of the SQL standard since SQL:86 but it's frequently underused.)

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  8. proslijedio/la je Tweet
    prije 16 sati
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  9. prije 16 sati

    Answer: How to use the pooled-lo optimizer with

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  10. prije 16 sati

    I thought Open-Session in View is an issue for applications only, but explains that it can affect applications as well. If you're using , do yourself a favor and disable this terrible Anti-Pattern

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  11. prije 21 sat
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  12. proslijedio/la je Tweet
    1. velj

    SQL EXISTS and NOT EXISTS - Vlad Mihalcea

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  13. 2. velj

    Answer: What is “Linearizability”?

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  14. 2. velj

    I got busy in the field of data access performance, so I didn't get the chance to implement a project with microservices. And now, everyone is moving to something else. 😀

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  15. proslijedio/la je Tweet

    I was today years old when I learned that an ampersand (&) is a ligature for the word 'et'

    Prikaži ovu nit
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  16. proslijedio/la je Tweet
    1. velj

    | How to return a Map result from a JPA or Hibernate query

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  17. 1. velj

    Answer: Optimistic vs. Pessimistic locking

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  18. 1. velj
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  19. proslijedio/la je Tweet
    1. velj

    SQL EXISTS and NOT EXISTS - Vlad Mihalcea

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  20. 1. velj

    Answer: How to map a map JSON column to Java Object with Persistence

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  21. proslijedio/la je Tweet
    31. sij
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