A non-technical post but something I have been asked about few times so I thought that I would put pen to paper and tell you about my journey on becoming a senior DBA. You might find it fun to read. T...
Indexing data for fast and efficient retrieval is one of the data preparation tasks in data science. MongoDB is the most commonly used NoSQL database and the fourth most commonly used database (relati...
This is the second article of my 12c Adaptive Sampling series. In part I, we saw how dynamic sampling estimates single table and group by cardinality. In this part we will focus on how Adaptive Dynami...
