1) Information about a bank is about customer, Database Management System

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1) Information about a bank is about customers and their account. Customer has a name, address which consists of house number, area and city, and one or more phone numbers. Account has number, type and balance. We need to record customers who own an account. Account can be held individually or jointly. An account cannot exist without a customer.

Arrive at an E-R diagram. Clearly indicate attributes, keys, the cardinality ratios and participation constraints

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