1.1 Analysing the important issue and the various applications of database within the organisational environment

DBMS: DBMS or the database management system considers being the accumulation of numerous programs and that provides the opportunity towards the several users and in order to store, edit and collect information or raw data. According to Wei and Yu (2014, p.16), the user always gets the opportunity to access the data or information, whenever the necessity seems high.
The database management system or DBMS comprises of five key components. The essential components of the DBMS consist of software, hardware, data, methods and the users.


The integrity or the data integrity defined as the accuracy, consistency and maintenance of the numerous data that stored and saved utilising the database management tool. The numerous data collected and stored in the database management system ensures the proper maintenance and making the information or data easily accessible. The key components of the integrity consist of consistency and correctness. According to Wei and Yu (2014, p.16), the data integrity or the integrity deals with the accuracy factor of the information or data and the degree of consistency of the numerous data
There consist of four different integrity entities:
Domain Rule
The domain rule associates with providing legal advices in context to setting up or creating a specific domain.

Rational Rule

The rational rule comprises of providing governing regulation and rules for each single relations.
Database R
The database rules associates with the catering of specific rules and that related with the monitoring of relations and interrelationship.

Attribute Rule

The attribute rule refers to providing values regarding attributes in a legal form.


The database management system or the DBMS consists of unique security systems and that ensures the proper safety and proper maintenance of the informations or data. The database security systems comprises of the data encryption, where the various informations or data gets protected by a security layer known as Cipher. The security measures also comprises of data backup system, which saves a copy of raw information or data in another location. The security measure also comprises of security layers and that prevents unauthorised data transmission (databasecompare.com, 2017).


The recovery system comprises of restoring the system directly in correct stages and always checks the errors and protects the system. The recovery system also assists in the revision of files. The database can easily recovered on redundancy within the physical level.

The data redundancy comprises of various usefulness such as, the data must not get copied, ensuring less allocation of space, the irregularity in context to data must get minimised. The data redundancy manages and controls the replication of data.

The database integrity considers being the most important ingredient of the entire database management system. As per Labrinidis et al. (2014, p.86), the various issues generated during the process or designing of the physical structure of the whole database design. The issues can summarise as;
The method or format of choosing numerous information or data and furthermore selecting the storage procedure of the archived data need proper emphasise.
The grouping attributes of the data or information retrieved from the logical data structure or model and converting them into physical records.
The process of arranging identical structured informations or data and storing those informations or data in the secondary memory. This particular collection of data can easily saved, extract whenever required and easily updatable.
The selection of structures needs to specify and in order to make the process of connecting various identical and non-identical files and making the process of retrieving the data in a more efficient manner.

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Data Flow Diagram

Data Flow Diagram

Data Flow Diagram

This report is prepared for the Acme Garage case study. The Acme garage specializes in repairing the cars. Presently the Acme garage update and maintain its various data such as; customer data, suppliers’ data, car parts invoice data, etc. in the Microsoft Excel spreadsheet. We investigate the overall business and business purpose of Acme garage. We observe the data flow of the business data of Acme garage and made a new database system for it, so that it can easily maintain their various business data. We choose the Microsoft Access to develop a new database system for the Acme garage.

About the Book
Data Flow Diagram


This report is prepared for the Acme Garage case study. The Acme garage specializes in repairing the cars. Presently the Acme garage update and maintain its various data such as; customer data, suppliers’ data, car parts invoice data, etc. in the Microsoft Excel spreadsheet. We investigate the overall business and business purpose of Acme garage. We observe the data flow of the business data of Acme garage and made a new database system for it, so that it can easily maintain their various business data. We choose the Microsoft Access to develop a new database system for the Acme garage.

Data Flow Diagram

2)Business Overview


The Acme garage is providing the car repairing services to their customers. When the customers comes for repairing their cars, the Acme always check  the customer has paid previously for work done or not before fixing the car. After the car repair and ready to deliver to the customer, an invoice report of whole work done is provided to the user after this the customer needs to pay the full amount within 30 days.

The acme kept the detail of the customers and job in the customers file and job file respectively.The employee who is responsible for updating and maintaining the database, maintain the database. The mechanics are repairing the cars and also write the entries into the job book. Its stock the car parts which is used frequently and purchase it’s from the parts supplier regularly. The parts which are used less frequently are ordered to the suppliers when required; the Acme is invoiced by the suppliers for purchasing of these parts. Reference to the Stock file will indicate if parts required for a particular job are in stock otherwise the parts will have to be ordered in. In case where items are removed from the stock, the balance of stock needs to be reduced.The cost of the car parts is added from the invoice which is received at the time of delivery of parts. After completing the job, hours of labour are maintained in the job file and the stock file. The order file will be used to determine the parts price which will record in job file also. Finally, the job file helps to produce an invoice for the customer. At the end of the month all the invoice will be paid in full sent from the supplier.

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