The request
“Create an ATM transaction ERD with the shown customer, account, ATM, transaction, card, and branch tables, their keys and attributes, and the shown account, card, ATM, and transaction relationships.”
Then tryAdd cash replenishment.Add transaction fees.
What is in this drawing
Read the decisions behind it.
01
Separated Account and Loan as distinct entities due to different attributes and behaviors
02
Linked each financial product to both Customer and Branch for ownership and management tracking
03
Included Employee entity to represent branch staff, linking to Branch for employment relationship
Applicable to any retail banking system, from small credit unions to large commercial banks, requiring core banking functionality and customer management.
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