Useful SQL queries

In this article, I will explain some general queries to you. I think every developer should be aware of these queries. These queries are not related to a specific SQL topic. But knowing about such queries can solve some complex tasks and can be used in many scenarios, so I decided to write an article about these queries.

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Feedback (MCSE BI)

Last week, I passed my final exam to acquire the MCSE BI, I would like to share with you this feedback especially on my preparation for all the exams, this is not a strict guideline of course, but it is is just what was best for me.

The MCSE certification consists of taking 5 separate exams: the first 3 give you the MCSA SQL Server certification:

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