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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 c...

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 'fals...

This is similar to other factorisation problems such as x² + 5x - 6. In this problem, you would find prime factors of -6 that add up to 5 (In this case -3, -2). 
Now, do the exact same wit...

This is a really common concern because, even though we have the subjunctive in English, it isn't used nearly as commonly as in Spanish and is often used incorrectly!

The first thing to r...

This is one of the areas in which Oxbridge most differs from other Russel Group universities. You should only mention extra curricular activities if they are directly relevant to the subject you want t...