secondary indexing in database | indexing | DBMS 

its great.nice explanation. please do more videos. awesome

same here...i loved ur explanation...thank u mam...

Thanks for the explanation.

i love ur explanation :) ty

Great explanation madam.. thnx a lot i was thinking this was a hard part. but u made me this a piece of cake thnxx againn madam

Super madam explanation

Thanks a lot!

tq mam

Nice

Thank you chechi

thank you

Half Knowledge

4:24 Bn=34

مافي عربي!!!

Block pointer or record pointers?