Bit rate & Baud Rate details here for communication

Bit rate & Baud Rate details here for communication

1. Summary with Real-life Objects: Primary Key → Roll Number of a student Candidate Key → { Roll Number, Email } Alternate Key → Email (if Roll chosen as PK) Foreign Key → StudentID in Library table Composite Key → ( BusNumber + JourneyDate ) Super Key → { EmployeeID }, {Email}, { EmployeeID + PhoneNumber } Unique Key → Phone Number in bank records