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Editorial Team
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Asked: 2026-06-10T05:38:25+00:00

I’m developing a web application, based on a DB. In my application, I access

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I’m developing a web application, based on a DB.
In my application, I access to this one from two different Servlets, and it’s possible these accesses are concurrently.

I need to know if it is permitted, and if not, how can I do it?
Is there some trick to perform queries in a thread-safe way?

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1 Answer

  1. Editorial Team

    It is possible and how to handle will be database responsibility based on DB settings (isolation level settings).

    Here are the isolation levels in SQL Server and these may vary based on DB.

    1.Read uncommitted (the lowest level where transactions are isolated only enough to ensure that physically corrupt data is not read)

2.Read committed (Database Engine default level)

3.Repeatable read

4.Serializable (the highest level, where transactions are completely isolated from one another)
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