A table in a database holds the attributes for one entity only. Data can then be added in the form of records. Rather than storing information in one table, relational databases store data across ...

I started out in Database Design early in my application development career. I still remember being issued with an official IBM stencil for drawing Entity Relationship Diagrams (ERDs). Change ...

Standard graphical representations have played a crucial role in science and engineering throughout the last century. Without electrical symbolism, it is very likely that our industrial society would ...

Standard graphical representations have played a crucial role in science and engineering throughout the last century. Without electrical symbolism, it is very likely that our industrial society would ...