In this issue, we talk about the following: How to Learn SQL? What is the Difference Between Inner, Left, Right, and Full Join? SQL Queries Run Order What is Query Optimizer? Top 20 SQL Query Optimization Techniques Tools & Resources How To Learn SQL?
Could you also write about NoSQL specifically MongoDB?
This is really great article
is it possible for query optimizer to chose sub optimal plan which can cause performance degradation. This happened in one of the environment and still i couldn't get the idea behind it
Thank you for this good sir!
what is the idea behind avoiding SELECT DISTINCT where possible?