What is going to be the use of the table? What type of data is expected? Is it going to be History Handled? Is it going to be loaded near real-time? Will it be used in joins majority of the times? Whats the expected data volume?
Your question's answer depends on all these questions. It is not a common rule that you always need to have a unique PI .... there are countless scenarios where NUPI is the only solution based on usage of the table.
What is going to be the use of the table? What type of data is expected? Is it going to be History Handled? Is it going to be loaded near real-time? Will it be used in joins majority of the times? Whats the expected data volume?
Your question's answer depends on all these questions. It is not a common rule that you always need to have a unique PI .... there are countless scenarios where NUPI is the only solution based on usage of the table.