f execution database processor then executes the database access routines. The results are returned to the application that first made the request. All runtime errors are also returned. Query Optimization Allow the system to obtain (or improve) acceptable performance by choosing a better (if not the best) strategy during the query process. One of the great strengths to the relational...

This question came from a busy professional. How do I tell my boss that my resignation letter was just a way to push for more salary and not actually resigning? They’re taking it seriously. Sadly, if you had asked me my opinion before you sent the letter, I would have advised NOT TO LIE about your intentions. Your boss and...

First Normal Form (1NF) A relationship is said in first normal form (1NF) if it does not contain a non-atomic value as well as each and every row or tuple can offer an exclusive combination of values. As you can see, each and every row or tuple has an exclusive combination of values. In contrast to un-normal form (UNF), this...

This question came from a busy professional. I have two employees that usually leave work at 6 pm. They are good, but I don’t like that their commitment lasts for work hours only. What should I do as a CEO? Resetting expectations One thing that I would recommend is to reset your business expectations. As a CEO, you are naturally...

TRIVIAL FUNCTIONAL DEPENDENCY A functional dependency is known as trivial when B is a subset of A. In a table or relation with the attributes or columns student name as well as student identification number (SIN), the name of the student is functionally dependent on the SIN, as this is the case for individual names. An SIN recognizes the student...

This question came from a busy professional. I am overpaid and have great benefits at my job, but have a terrible boss. Should I stay? Given the amount of information you’ve provided. Yes. You should stay at this job. Bosses come and go. Jobs that overpay and have great benefits don’t. Pinpointing the exact issue One recommendation is clearly articulate...