Consider the following case study for estate agency .Draw level-0 data flow diagram.Clients wishing to put their property on the market visit the estate agent, who will take details of their house, flat or bungalow and enter them on a card, which is filed according to the area, price range and type of property. Potential buyers complete a similar type of card, which is filed by buyer name. Weekly, the estate agent matches the potential buyer' requirements with the available properties and sends them the details of selected properties. When a sale is completed, the buyer confirms that the contracts have been exchanged, client details are removed from the property file, and an invoice is sent to the client. The client receives the top copy of a three-part set, with the other two copies being filed. On receipt of the payment, the invoice copies are stamped and archived. Invoices are checked on a monthly basis and for those accounts not settled within two months a reminder (the third copy of the invoice) is sent to the client. Consider the following case study for estate agency .Draw level-0 data flow diagrbm.Clients wishing to put their property on the market visit the estate agent, who will take details oftheir house, flat or bungalow and enter them on a card, which is filed according to the area, pricerange and type of property. Potential buyers complete a similar type of card, which is filed bybuyer name. Weekly, the estate agent matches the potential buyer' requirements with the availableproperties and sends them the details of selected properties. When a sale is completed, the buyerconfirms that the contracts have been exchanged, client details are removed from the property file,and an invoice is sent to the client. The client receives the top copy of a three-part set, with theother two copies being filed. On receipt of the payment, the invoice copies are stamped andarchived. Invoices are checked on a monthly basis and for those accounts not settled within twomonths a reminder (the third copy of the invoice) is sent to the client.

A data-flow diagram depicts how data is transferred among various processes in a system. It helps in…

Answered: Consider the following case study for…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Consider the following case study for estate agency .Draw level-0 data flow diagram. Clients wishing to put their property on the market visit the estate agent, who will take details of their house, flat or bungalow and enter them on a card, which is filed according to the area, price range and type of property. Potential buyers complete a similar type of card, which is filed by buyer name. Weekly, the estate agent matches the potential buyer' requirements with the available properties and sends them the details of selected properties. When a sale is completed, the buyer confirms that the contracts have been exchanged, client details are removed from the property file, and an invoice is sent to the client. The client receives the top copy of a three-part set, with the other two copies being filed. On receipt of the payment, the invoice copies are stamped and archived. Invoices are checked on a monthly basis and for those accounts not settled within two months a reminder (the third copy of the invoice) is sent to the client.

Consider the following case study for estate agency .Draw level-0 data flow diagrbm.
Clients wishing to put their property on the market visit the estate agent, who will take details of
their house, flat or bungalow and enter them on a card, which is filed according to the area, price
range and type of property. Potential buyers complete a similar type of card, which is filed by
buyer name. Weekly, the estate agent matches the potential buyer' requirements with the available
properties and sends them the details of selected properties. When a sale is completed, the buyer
confirms that the contracts have been exchanged, client details are removed from the property file,
and an invoice is sent to the client. The client receives the top copy of a three-part set, with the
other two copies being filed. On receipt of the payment, the invoice copies are stamped and
archived. Invoices are checked on a monthly basis and for those accounts not settled within two
months a reminder (the third copy of the invoice) is sent to the client.

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