Oct 30, 2019 in DBMS
Q: what is a key?

1 Answer

0 votes
Oct 30, 2019
a key is nothing but a attribute or group of attributes.they are used to perform

some specific operation depending on their operation.the keys are classified

into primary key,secondary key,alternative keysuper key,candidate key,compound

or concatinated or composite key.

Related questions

0 votes
0 votes
May 15, 2020 in DBMS
0 votes
Feb 28, 2020 in DBMS
...