Exam Topic: Using Single-Row Functions to Customize Output - Describe various types of functions available in SQL Single row functions return a result for every row in a result. They can be used in any part of a SQL query, such as the SELECT lists or any part that can use a conditional statement. Oracle 11g has … Continue reading Oracle Single Row Character Functions Returning Numeric Values

To quote Wikipedia, "A computer is a general-purpose device that can be programmed to carry out a set of arithmetic or logical operations automatically. Since a sequence of operations can be readily changed, the computer can solve more than one kind of problem." Given the early devices seen over the centuries, I think this is … Continue reading 110-Year-Old Computer that Plays Music: the Marenghi 81-Key Organ