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Editorial Team
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Asked: 2026-05-25T02:43:56+00:00

I started to work in a project which must reuse a Microsoft SQL Server

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I started to work in a project which must reuse a Microsoft SQL Server 2008 old database that has a table with more than 7,000,000 records.

Queries to that table last minutes and I was wondering if a different type of database (i.e. not relational) would be better to handle this.

What do you recommend? In any case, is there a way to improve the performance of a relational database?

Thanks

UPDATE:

I am using Navicat to perform this simple query:

SELECT DISTINCT [NROCAJA]
FROM [CAJASE]

so complex stuff and subqueries are not a problem. I was also wondering if a lack of indexes was the problem, but the table seems to be indexed:

Index description of CAJASE table

EPIC FAIL:

The database was in a remote server!! The query actually takes 5 seconds (I still think it’s much time, but now the issue is different). 99% of elapsed time was network transfer. Thanks for your answers anyway 🙂

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1 Answer

  1. Editorial Team

    Profile your queries – 7 million records isn’t that great a number, so chances are you’re missing an index or performing complex sub-queries that are not performing well as the dataset scales.

    I don’t think you need to re-architect the entire system yet.

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