Take the ER-model create in problem1 and translate it into a relational schema using the rules presented in class. Present the relational schema as an SQL script. Present the results of the following intermediate steps in this order (write which rule you are using in your translation). Translate strong entities (including the ISA relation) unnest composite attributes 1. Translate weak entities 2. Translated multi-valued attributes 3. Translate relationships

One subtask in the game is to roll the dice. explain why is roll the dice an abstraction.

How to launch an app: steps to be successful? launching an app is a great idea, but it’s not that easy as we supposed to think. the majority of mobile applications don’t generate revenue because companies aren’t ready to be competitive. referring to our experience in successfully building and launching apps we hope to you omit these difficulties. we are going to talk about ideas, marketing, testing your product, its development, distribution and support. you will learn 8 product launch stages to succeed.

How can a user delete a drawing object