Answer:
D
Explanation:
If bookstores, which are businesses that have to turn a profit, close down because of the internet, this is primairly economic impact.
Answer:
Explanation:
check the attachment for the solution.
1) graphical notation for a telephone object class.
2) a messaging system on a mobile
3) a personal computer
4) a bank account
5) a library catalog
6) personal stereo
Answer:
Check the explanation
Explanation:
A relation schema is the fundamental schema for a table. Which is In a relational kind of database (what individuals naturally refer to when they talk about database) each take can be referred to as a "relation" . therefore a relational schema is the design for the table.
kindly check the attached image below to see the step by step solution to the question.
The second one
bc it looks correct
Compatibility testing or functional testing I believe. I’m guessing functional