Answer : False.
The function to total the values stored in numeric columns is the SUM function.
Answer:
The wider channel bandwidth is efficient and good as it help in increasing the speed of the transmission. Due to the wider channel of the bandwidth it also lead to consuming less energy of the battery and make cost effective.
Due to the wider bandwidth, the number of clients can easily share and transfer the data in the channel and also make the transmission complete.
If the channel of the bandwidth is double then, the single transmission can easily carry more data. Hence, it also lead to double the speed of the transmission.
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.