Database Administration Questions

A search engines are a software systems used for searching about any information in the world on the web.

Search engines like Google, Bing, Internet explorer, Yahoo, etc... functions by providing relevant search results for the keywords user searches. 

Hence, the given statement is TRUE.

Firstly, I focussed on "If you remove my 1st & 2nd letters, you can't see me". The first thing that comes to mind which we can’t see is the "AIR".

So now, what 4 letter words can be formed ending with "AIR"? Think of all the words from A to Z, considering which one lies above you. That is how we get to "HAIR".

Now, which 5 letter word can be formed ending with "HAIR"? Starting with A to Z, we reach "CHAIR" and also, it lies below us.

And the required answer is "CHAIR".

Count function in SQL returns the number of values or rows.

The time complexity of sequential search is O(n)

In computing, memory refers to the computer hardware integrated circuits that store information for immediate use in a computer.

Most semiconductor memory is organized into memory cells or bistable flip-flops, each storing one bit (0 or 1).

Te Sun.

From the time rising it goes around the house upto sunset, but never touches the house.

The description of a data base is called the database schema , which is specified during database design and is not expected to change frequently . A displayed schema is called schema diagram .We call each object in the schema as schema construct.

The letter 'X' resembles the same as the tool AXE in sounding.

Hence, the alphabet X is a tool.