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How to install OracleDB on Docker

I come up with this problem yesterday, Oracle is potentiating their cloud solutions so they are not making it that easy to install their star product on a testing environment.

Advanced SQL / PL/SQL / SQL Tutorials / Transact-SQL

How to use Parameters in Stored Procedures?

The Stored Procedures are an elegant way to store your code inside a SQL database. You can save your code and reuse it whenever you want to.

Advanced SQL / PL/SQL / SQL Tutorials / Transact-SQL

How to use a QUALIFY clause in SQL?

Qualify may be one of the most underestimate commands in SQL, as a Data Analyst, I use it a lot and I really hope after this tutorial you use it too.

Advanced SQL / Miscellaneous / PL/SQL / Transact-SQL

Why is my SQL query taking so long?

This is one of the questions we almost always ask ourselves.
In this article, we are going to learn a bit about how to make an efficient query.

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