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You got “email hacked” message? Here is what you need to do

Almost Daily, we get mails from our readers reporting that their mails got hacked. After getting a copy of these mails, we found out that all mails contain the same message but in different wording and in different language. In English, Korean or Japanese. I am sure...

SQL Joins – Part 2: Performance Tips and Tricks & Benchmark

This is the second article from SQL Joins series, you can find the first article here. It talks about the basic concepts of joins and compares between different types of inner and outer joins. If you aren't familiar with SQL Joins, kindly, read it first. Now, we are...

SQL Joins – Part 1: Difference between Inner Join and Outer Join

The concept of SQL joins is a must-have skill. Every developer should be able to use it in different use-cases with the best performance possible. This tutorial reveal the difference between Inner Join and Outer Join (Left Outer Join and Right Outer Join) in practical...


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