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What is SQL? I know it's a 'query' language, but what does that mean?

As you said, SQL is a query language that is used for databases. A 'query' language when referring to databases means that it is the language used to get information out of the database. Databases can be ver...
LG
Answered by Lauren G. • Computing tutor
3722 Views

What do 0s and 1s have anything to do with Boolean Logic?

In computers, everything is represented with 0s and 1s. While Boolean Logic is often explained using the terms 'true' and 'false', these are actually represented by the numbers 0 and 1. 0 means 'false' and 1...
LG
Answered by Lauren G. • Computing tutor
3430 Views

How would you check if a number is palindrome using a looping algorithm in any programming language ?

A palindrome number is one which remains the same when its digits are reversed. For example 121, if you write 121 backwards its still 121. The algorithm involves a really simple loop which just reverses the ...
YR
11812 Views

What is the difference between a data structure and a data type?

A data structure is a way of describing a certain way to organize peices of data so that operations and alogrithms can be more easily applied. For example tree type datastructures often allow for efficient s...
TB
Answered by Tom B. • Computing tutor
30655 Views

What is batch processing?

Batch processing is when a series of jobs are exectued without any human interfering. This means that in batch processing, all necessary information is collected first and given to the processor as the input...
SG
4827 Views