Won't explain any theory, as you should know it.
However, I'll give some examples of what it is.
If a bit stream has an even number of 1's in it, it has even parity.
e.g.
0110101 = 4 1's.
If a bit stream has an odd number of 1's in it, it has odd parity.
e.g.
0001101 = 3 1's.
Parity...
A database without any functionality would be useless.
Luckily, we have queries which enable us to extract data and transform it into information (give the data meaning e.g. reports, forms, etc).
I went to Bali for schoolies in 2007, was epic.
Bounty was fun as, cheap fish bowels to get smashed on but fairly crap music.
I mainly went to go surfing with mates though, however.