Relational Databases
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Relational Databases

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Questions and Answers

What is the primary benefit of using primary keys in a relational database?

  • Enhanced data flexibility
  • Increased scalability
  • Ensured data integrity (correct)
  • Improved data security
  • What is the primary advantage of using SQL in a relational database?

  • Increased scalability
  • Simplified data management
  • Enhanced data flexibility (correct)
  • Improved data security
  • Which of the following is NOT a characteristic of a relational database?

  • Data is stored in tables
  • Data is accessed using SQL
  • Data is related to one another
  • Data is stored in a hierarchical structure (correct)
  • What is the primary benefit of using an ERP system?

    <p>Integration of organisation's data and financial information</p> Signup and view all the answers

    Which of the following ERP modules is responsible for managing customer relationships?

    <p>Customer relationship management</p> Signup and view all the answers

    What is a disadvantage of implementing an ERP system?

    <p>Changes to an organisation's existing business process can be disruptive</p> Signup and view all the answers

    What is a benefit of using relational databases in an ERP system?

    <p>Greater management visibility</p> Signup and view all the answers

    What is a characteristic of relational databases that enables them to handle large amounts of data?

    <p>Scalability</p> Signup and view all the answers

    What is a benefit of using ERP systems in an organisation?

    <p>Standardised business operating procedures</p> Signup and view all the answers

    What is a disadvantage of ERP systems?

    <p>Complexity</p> Signup and view all the answers

    Relational databases enforce data ______ through constraints like primary keys, foreign keys, and unique constraints.

    <p>integrity</p> Signup and view all the answers

    Relational databases can handle large amounts of data and can scale ______ or vertically to accommodate growth.

    <p>horizontally</p> Signup and view all the answers

    Relational databases offer robust ______ features such as user authentication, authorization, and encryption.

    <p>security</p> Signup and view all the answers

    ERP modules include ______ and payroll.

    <p>human resources</p> Signup and view all the answers

    ERP systems implement ______ Best Practises.

    <p>Industry</p> Signup and view all the answers

    A disadvantage of ERP systems is that they can be ______ to implement.

    <p>time consuming</p> Signup and view all the answers

    ERP systems can improve ______ service.

    <p>customer</p> Signup and view all the answers

    ERP systems can make ______ operating procedures more efficient.

    <p>business</p> Signup and view all the answers

    Relational databases are based on the ______ model, an intuitive, straightforward way of representing data in tables.

    <p>relational</p> Signup and view all the answers

    ERP systems can increase ______ visibility and monitoring.

    <p>management</p> Signup and view all the answers

    Relational databases can handle small amounts of data and can scale vertically to accommodate growth.

    <p>False</p> Signup and view all the answers

    ERP systems can integrate an organisation's financial information into separate modules.

    <p>False</p> Signup and view all the answers

    Data security is a disadvantage of using relational databases.

    <p>False</p> Signup and view all the answers

    ERP systems can implement Industry Worst Practices.

    <p>False</p> Signup and view all the answers

    Relational databases enforce data redundancy through constraints like primary keys, foreign keys, and unique constraints.

    <p>False</p> Signup and view all the answers

    ERP systems can make business operating procedures more complicated.

    <p>False</p> Signup and view all the answers

    Relational databases are based on the hierarchical model, an intuitive, straightforward way of representing data in tables.

    <p>False</p> Signup and view all the answers

    ERP systems can decrease management visibility and monitoring.

    <p>False</p> Signup and view all the answers

    Relational databases offer limited flexibility in querying data.

    <p>False</p> Signup and view all the answers

    ERP systems are only used by small organisations.

    <p>False</p> Signup and view all the answers

    Study Notes

    Relational Databases

    • Store and provide access to related data points
    • Based on the relational model, representing data in tables
    • Advantages:
      • Enforce data integrity through constraints like primary keys, foreign keys, and unique constraints
      • Allow for complex and flexible queries using SQL
      • Can handle large amounts of data and scale horizontally or vertically
      • Offer robust security features like user authentication, authorization, and encryption

    Enterprise Resource Planning (ERP)

    • Integrate an organization's information into one overall system
    • ERP modules:

      Financial

      • Manage financial information

      Human Resources and Payroll

      • Manage employee data and payroll

      Order to Cash

      • Manage sales and payment processes

      Purchase to Pay

      • Manage procurement and payment processes

      Manufacturing

      • Manage production and inventory

      Project Management

      • Manage projects and tasks

      Customer Relationship Management

      • Manage customer interactions and data

      System Tools

      • Manage system configurations and settings
    • Advantages:
      • Integrate organization's data and financial information
      • Capture data once and reduce redundancy
      • Improve management visibility and monitoring
      • Enhance access controls and security
      • Standardize business operating procedures
      • Improve customer service and manufacturing efficiency
      • Implement industry best practices
    • Disadvantages:
      • High costs
      • Time-consuming implementation
      • Disruptive changes to existing business processes
      • Complexity and resistance to change
      • Risk of losing competitive advantage due to standardized processes

    Documentation of Flowchart

    • Set of documents and models (narratives, data flow, models, flowcharts)
    • Includes inputs, processes, storage, output, and controls
    • Allows auditors to monitor business operations and information

    Different Systems

    • Document: Illustrates the flow of documents through an organization
    • Program: Logical representation of system inputs, processes, and outputs
    • System: Actual steps of the activity, detailed to represent the logical sequence
    • Context: Highest level, showing inputs and outputs into the system
    • Level 0: Shows all major activity steps of a system
    • Level 1: Shows one major activity divided into sub-activities

    Relational Databases

    • Store and provide access to related data points
    • Based on the relational model, representing data in tables
    • Advantages:
      • Enforce data integrity through constraints like primary keys, foreign keys, and unique constraints
      • Allow for complex and flexible queries using SQL
      • Can handle large amounts of data and scale horizontally or vertically
      • Offer robust security features like user authentication, authorization, and encryption

    Enterprise Resource Planning (ERP)

    • Integrate an organization's information into one overall system
    • ERP modules:

      Financial

      • Manage financial information

      Human Resources and Payroll

      • Manage employee data and payroll

      Order to Cash

      • Manage sales and payment processes

      Purchase to Pay

      • Manage procurement and payment processes

      Manufacturing

      • Manage production and inventory

      Project Management

      • Manage projects and tasks

      Customer Relationship Management

      • Manage customer interactions and data

      System Tools

      • Manage system configurations and settings
    • Advantages:
      • Integrate organization's data and financial information
      • Capture data once and reduce redundancy
      • Improve management visibility and monitoring
      • Enhance access controls and security
      • Standardize business operating procedures
      • Improve customer service and manufacturing efficiency
      • Implement industry best practices
    • Disadvantages:
      • High costs
      • Time-consuming implementation
      • Disruptive changes to existing business processes
      • Complexity and resistance to change
      • Risk of losing competitive advantage due to standardized processes

    Documentation of Flowchart

    • Set of documents and models (narratives, data flow, models, flowcharts)
    • Includes inputs, processes, storage, output, and controls
    • Allows auditors to monitor business operations and information

    Different Systems

    • Document: Illustrates the flow of documents through an organization
    • Program: Logical representation of system inputs, processes, and outputs
    • System: Actual steps of the activity, detailed to represent the logical sequence
    • Context: Highest level, showing inputs and outputs into the system
    • Level 0: Shows all major activity steps of a system
    • Level 1: Shows one major activity divided into sub-activities

    Relational Databases

    • Store and provide access to related data points
    • Based on the relational model, representing data in tables
    • Advantages:
      • Enforce data integrity through constraints like primary keys, foreign keys, and unique constraints
      • Allow for complex and flexible queries using SQL
      • Can handle large amounts of data and scale horizontally or vertically
      • Offer robust security features like user authentication, authorization, and encryption

    Enterprise Resource Planning (ERP)

    • Integrate an organization's information into one overall system
    • ERP modules:

      Financial

      • Manage financial information

      Human Resources and Payroll

      • Manage employee data and payroll

      Order to Cash

      • Manage sales and payment processes

      Purchase to Pay

      • Manage procurement and payment processes

      Manufacturing

      • Manage production and inventory

      Project Management

      • Manage projects and tasks

      Customer Relationship Management

      • Manage customer interactions and data

      System Tools

      • Manage system configurations and settings
    • Advantages:
      • Integrate organization's data and financial information
      • Capture data once and reduce redundancy
      • Improve management visibility and monitoring
      • Enhance access controls and security
      • Standardize business operating procedures
      • Improve customer service and manufacturing efficiency
      • Implement industry best practices
    • Disadvantages:
      • High costs
      • Time-consuming implementation
      • Disruptive changes to existing business processes
      • Complexity and resistance to change
      • Risk of losing competitive advantage due to standardized processes

    Documentation of Flowchart

    • Set of documents and models (narratives, data flow, models, flowcharts)
    • Includes inputs, processes, storage, output, and controls
    • Allows auditors to monitor business operations and information

    Different Systems

    • Document: Illustrates the flow of documents through an organization
    • Program: Logical representation of system inputs, processes, and outputs
    • System: Actual steps of the activity, detailed to represent the logical sequence
    • Context: Highest level, showing inputs and outputs into the system
    • Level 0: Shows all major activity steps of a system
    • Level 1: Shows one major activity divided into sub-activities

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    Description

    Explore the concepts and benefits of relational databases, including data integrity and flexibility, and how they store and provide access to related data.

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