If some1 emails u and u want to know who it was how do u find that out

Making a change to the conceptual schema of a database but notaffecting the existing external schemas is an example of ? Physical dataindependence. ? Concurrency control. ? Logical dataindependence. ? Functional dependency

Describe the basic features of the relational data model and discuss their importance to the end user and the designer. Describe the Big Data phenomenon.

What feature would be used to collect how many times users downloaded a product catalog?

Which microphones are considered to have the best quality? External Headset Internal USB

How important is technology in education? what technology-related skills can you contribute to a school district answers?

What type of hard drive is in original xbox?

Red is the longest color of the visible spectrum T or F

Which of these is an example of an open source software java prolog thunderbird internet explorer

Mobile first design is important because

Why are coders using encoder software? What are their advantages and disadvantages? And when might a coder need to use the coding manuals over the encoder software?