Pi order id & Order id whats the difference and info?

General
1

when i buy a scrip for example pi order id is xxxxxxxxxxx45 & exchange id xxxxxxxxxx62

when i squareoff, pi order is xxxxxxxxxxxx46 & exchange id xxxxxxxxxxxx63

so does this means in the given time only i have traded and no body transacted?correct if im wrong.

2

Pi order ID is for internal reference and that is for Zerodha, where as Exchange order id is relevant across all brokers who trade in a particular exchange(NSE,BSE,MCX…) and is unique for each order placed into exchange system.