Lance has three tables in his database. He wants to generate a report to show data from the three tables. Therefore, he decides to link the tables. What type of fields will help Lance to create the relationships? Lance will have to identify the in his tables to help him link the tables.

What tool can discover and report computer errors and conflicts that occur when you first turn on a computer and before the operating system?

Python write an expression that executes the loop body as long as the user enters a non-negative number. note: if the submitted code has an infinite loop, the system will stop running the code after a few seconds and report "program end never reached." the system doesn't print the test case that caused the reported message. sample outputs with inputs: 9 5 2 -1

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.