My experience has been that when many developers and DBAs say denormalized, they actually mean unnormalized. You can't reverse what you never did in the first place... :rolleyes:

Atomicity is always...

Right answer, wrong explanation. The stdev function is simply programmed to return null when the sample size is less than 2. It has nothing to do with division by zero....

With an ordered index, there is no difference between equal and not equal since both can easily be determined by the index with the not equal requiring (at most) one...

Better how? It is always best to express the test in the most natural method possible to improve understanding. If a task is exclusionary test for inequality, if inclusive test...

char(1) and varchar(1) are not equivalent. varchar also incurs overhead to store how many characters are being used so a varchar(1) requires more than one byte of storage (3 actually).

cj_logan (5/27/2009)

Why is the inner join the recommended option ? I know Microsoft recommends this way but no where can I find a reason ? According to...

You must not have seen the...

I typically read the email, solve the problem in my head, click the link and select the answer I got. Now you're saying I have to ignore the email because...

I marked the correct answer but was counted as incorrect. The answer given by the explanation is wrong. The execution results are:

Vyas Mohan ...

And the answers would be No, Hell No, Are You Kidding, and Turn In Your Geek Card.

MDX is an entirely separate language from SQL or the T-SQL variant. The author is the one that's wrong.

George Washington was, in fact, the first president of a country. Prior to that the term president was used for the presiding officer of an organization such as a university...

I work for the state of Florida (Dept of Education). I get 9 paid holidays: New Years, Martin Luther King's Birthday, Memorial Day (last Monday in May), July 4th, Labor...

Here in Florida, we don't get it off. They swapped it for MLK Day years back to keep the number of holidays for state workers consistent. All the retailers are...

Actually, there is no such thing as Presidents/President's/Presidents' Day. The official designation of the holiday under federal statute is Washington's Birthday. It is a federal holiday. Contrary to popular opinion,...