What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary? | Aptitude Question | AptiCode | AptiCode

Question 877: What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary?

tcs

wipro

infosys

general

aptitude

physical-database-design

database

No answer description is available.Let's discuss.

VARCHAR2

CHAR

LONG

NUMBER