Answer:
Information virtualization is the process of representing the abstract data such as numeral number and text into the form of visual which is human can easily understand.
The main challenges faced by the information visualization researchers are:
- The main challenge which are faced by the information virtualization is during the data importing and also cleaning in the system.
- It also not able to access the large amount of the data easily from the system.
- Due to the poor selection of the scale and the coordinate rotation it also lead to the data distortion.
The correct answer to this question is A. One level or record an be returned in a single query when a developer writes a SOQL query to find child records for a specific parent.
1989 <span>A graduate of Oxford University, Tim Berners-Lee invented the Web while at CERN, the European Particle Physics Laboratory, in </span>1989<span>. He wrote the first web client and server in </span>1990<span>.</span>
print(3+7) will output 10, which is an integer.
print("2+3") will output 2+3, which is a string.
