The correct answers are:
<span>E-commerce platformsMobile
Applications
Online point-of-sales systems
Source and explanation: https://goo.gl/guJKC9
</span>
Answer: Any person or people asking about someone being a hardware or software person displays that they are questioning about the computer knowledge of the person and his/her interest.
The interest can be regarding software tools for programming, designing , etc or hardware device like troubleshooting, assembling the computer parts ,etc.
The person persisting good knowledge about software programming language and software is diverted towards software side .The person who likes to deal with hardware parts of the computer system is hardware-oriented person.
Mainly .com
educational institutes .edu
Answer:
Explanation:
Duplicate tuples are not allowed in a relation because the specifications of the constraints of the regional integrity are violated, especially the main constraint that states that there can be no identical values for the attributes of two tuples at any database relation state.
Also, duplicate tuples are not allowed in a relation due to the fact that they lead to redundancy of the data base which in turn, slowing down the speed of the database when data processing such as inserting, querying, updating, deleting, etc are being performed.
