Post 52 | HDPCD | The conclusion

Hi everyone. Finally, we have reached the end of this tutorial series. It's been so long. We started this journey together on January 15th, 2017, and, 276 days later this beautiful journey is coming to an end. But, we do not need to worry, because, I am working on something new and would love to … Continue reading Post 52 | HDPCD | The conclusion

Post 48 | HDPCD | Printing the execution plan of a Hive query

Hello, everyone. Welcome to one more tutorial in the HDPCD certification series. In the┬álast┬átutorial, we saw how to enable vectorization in Hive. In this tutorial, we are going to see how to print the execution plan of a Hive query. Let us begin, then. This is one of the simplest┬átutorials in this certification series. In … Continue reading Post 48 | HDPCD | Printing the execution plan of a Hive query

GROUP IN REGEX

In my last update on regular expressions i.e. regex, I mentioned that regex have the group thing which is used extensively by java people in order to enhance its productivity. So in this update, we are going to talk about the groups which are used in regular expressions. The concept of groups is quite simple. … Continue reading GROUP IN REGEX