What is a message?

Answer Posted / syam

A message is a string of bytes that has meaning to the
applications that use it
Message = Header(s) + Application Data
A message consists of a header and the attached application
data.
Headers like:
Unique Message Id, Routing information, Message format

The data part of a message:
A record from an indexed or flat file
A row from a DB2 table
Individual columns from DB2 tables
Multiple rows or records

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