The document discusses different types of database models. It describes hierarchical database models as organizing data in a tree structure, with parent-child relationships. Network database models allow for more complex relationships between objects. Object oriented database models manage data access and querying by representing data as objects. The models each have advantages like flexibility and ease of use, and disadvantages like complexity and added costs.
Databases are the prime technique used to develop any information system used in modern business. There are many different types of database available used for different purposes.
Databases are the prime technique used to develop any information system used in modern business. There are many different types of database available used for different purposes.
Introduction to Database Management SystemsAdri Jovin
This presentation contains content relevant to the introduction to the database management systems. The content is adapted from the original work of Abe Silberschatz et. al.
Course Title: Database Programming with SQL
Course Code: DEE 431
TOPICS COVER:
Database Terminologies
Drawbacks of Traditional System
Data processing Modes
Application of DBMS
Types of Database
Histroy of Database
Characteristics of Database
Advantages and Disadvantages of Database
Types of database architecture: 1 Tier, 2 Tier, 3 Tier
Introduction to Database and Database Management. This presentation gives a basic idea of the differences among terms and types of databases.
It can be used for the first lecture on Database Management course or a seminar in Information Systems.
It doesn't cover database modelling and languages.
Introduction to Database Management SystemsAdri Jovin
This presentation contains content relevant to the introduction to the database management systems. The content is adapted from the original work of Abe Silberschatz et. al.
Course Title: Database Programming with SQL
Course Code: DEE 431
TOPICS COVER:
Database Terminologies
Drawbacks of Traditional System
Data processing Modes
Application of DBMS
Types of Database
Histroy of Database
Characteristics of Database
Advantages and Disadvantages of Database
Types of database architecture: 1 Tier, 2 Tier, 3 Tier
Introduction to Database and Database Management. This presentation gives a basic idea of the differences among terms and types of databases.
It can be used for the first lecture on Database Management course or a seminar in Information Systems.
It doesn't cover database modelling and languages.
FIA officials brutally tortured innocent and snatched 200 Bitcoins of worth 4...jamalseoexpert1978
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At Techbox Square, in Singapore, we're not just creative web designers and developers, we're the driving force behind your brand identity. Contact us today.
Discover the innovative and creative projects that highlight my journey throu...dylandmeas
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Visit : https://www.avirahi.com/blog/tata-group-dials-taiwan-for-its-chipmaking-ambition-in-gujarats-dholera/
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Building Your Employer Brand with Social MediaLuanWise
Presented at The Global HR Summit, 6th June 2024
In this keynote, Luan Wise will provide invaluable insights to elevate your employer brand on social media platforms including LinkedIn, Facebook, Instagram, X (formerly Twitter) and TikTok. You'll learn how compelling content can authentically showcase your company culture, values, and employee experiences to support your talent acquisition and retention objectives. Additionally, you'll understand the power of employee advocacy to amplify reach and engagement – helping to position your organization as an employer of choice in today's competitive talent landscape.
In the Adani-Hindenburg case, what is SEBI investigating.pptxAdani case
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LA HUG - Video Testimonials with Chynna Morgan - June 2024Lital Barkan
Have you ever heard that user-generated content or video testimonials can take your brand to the next level? We will explore how you can effectively use video testimonials to leverage and boost your sales, content strategy, and increase your CRM data.🤯
We will dig deeper into:
1. How to capture video testimonials that convert from your audience 🎥
2. How to leverage your testimonials to boost your sales 💲
3. How you can capture more CRM data to understand your audience better through video testimonials. 📊
Premium MEAN Stack Development Solutions for Modern BusinessesSynapseIndia
Stay ahead of the curve with our premium MEAN Stack Development Solutions. Our expert developers utilize MongoDB, Express.js, AngularJS, and Node.js to create modern and responsive web applications. Trust us for cutting-edge solutions that drive your business growth and success.
Know more: https://www.synapseindia.com/technology/mean-stack-development-company.html
Understanding User Needs and Satisfying ThemAggregage
https://www.productmanagementtoday.com/frs/26903918/understanding-user-needs-and-satisfying-them
We know we want to create products which our customers find to be valuable. Whether we label it as customer-centric or product-led depends on how long we've been doing product management. There are three challenges we face when doing this. The obvious challenge is figuring out what our users need; the non-obvious challenges are in creating a shared understanding of those needs and in sensing if what we're doing is meeting those needs.
In this webinar, we won't focus on the research methods for discovering user-needs. We will focus on synthesis of the needs we discover, communication and alignment tools, and how we operationalize addressing those needs.
Industry expert Scott Sehlhorst will:
• Introduce a taxonomy for user goals with real world examples
• Present the Onion Diagram, a tool for contextualizing task-level goals
• Illustrate how customer journey maps capture activity-level and task-level goals
• Demonstrate the best approach to selection and prioritization of user-goals to address
• Highlight the crucial benchmarks, observable changes, in ensuring fulfillment of customer needs
Personal Brand Statement:
As an Army veteran dedicated to lifelong learning, I bring a disciplined, strategic mindset to my pursuits. I am constantly expanding my knowledge to innovate and lead effectively. My journey is driven by a commitment to excellence, and to make a meaningful impact in the world.
Digital Transformation and IT Strategy Toolkit and TemplatesAurelien Domont, MBA
This Digital Transformation and IT Strategy Toolkit was created by ex-McKinsey, Deloitte and BCG Management Consultants, after more than 5,000 hours of work. It is considered the world's best & most comprehensive Digital Transformation and IT Strategy Toolkit. It includes all the Frameworks, Best Practices & Templates required to successfully undertake the Digital Transformation of your organization and define a robust IT Strategy.
Editable Toolkit to help you reuse our content: 700 Powerpoint slides | 35 Excel sheets | 84 minutes of Video training
This PowerPoint presentation is only a small preview of our Toolkits. For more details, visit www.domontconsulting.com
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This session provided an update as to the latest valuation data in the UK and then delved into a discussion on the upcoming election and the impacts on valuation. We finished, as always with a Q&A
5. Introduction
“A system which does not use any computer devices. All
data would be kept in other ways , mainly paper. “
Uses: Manual system use in daily basis routine work such as
Index files of Recipes
Paper phone book
Paper Dictionary
Structure: its done by hand that could be typing all your
information into notepad
6. Examples:
People would have hand written letters
or used typewriters instead of word
processor.
Graphs & Diagrams would have been
drawn by hand instead of using
Computer Software to do them .
7. Advantages:
Large reduction in cost of hardware &
software.
Availability of user-friendly accounting
software package.
It is relatively cheaper like maintaining a
manual system.
8. Disadvantages:
Data Duplication
Lack of Security
Common Error
Inconsistency of data
Repetition of work
Too much paper work
Space consuming
9.
10. Introduction
“It is a method of storing and organizing
arbitrary collection of data in a form that is
human readable.”
Uses:
File system used to organized and
represent access to any data.
File System are used on data storage
devices.
11. Structure
File system is a section of hard disk that
has been allocated to contain files.
File System
/User /tamp /var /home
12. Example:
Disk File System
Optical Discs
Flash File System
Database File System
Transaction File System
Network File System
Flat File System
13. Advantages
Give access to uniform data to group of
users
Useful when many users exists on many
systems with each other’s name
directory located on every single
machine.
Reduced overall disk storage cost.
14. Disadvantages
Program data dependence
Lengthy development times
Duplication of data
Limited data sharing
Security risk
15.
16. Introduction
“Database is an organized collection of
related data that is stored in an efficient and
compact manner.”
Purpose:
The purpose of database is to help people
and organization keep track of things.
18. Examples
A system that maintains component part
details for a car manufacture.
An advertising company keeping details
of all clients.
A training company keeping course
information and particular details.
An organization maintaining all sales
order information
19. Advantages
Reduced updating errors and increase
consistency.
Reduced data entry, storage and
retrieval costs.
Facilitated development of new
application programs
Reduced data redundancy.
Improved data security.
20. Disadvantages
Database system are complex and time
consuming to design.
Substantial hardware and software start-
up costs.
Initial training required for all programmers
and users.
24. Examples
Roll No. Name Class
1352 Ansa Khalid Msc
1324 Komal Iftikhar Msc.
1460 Gazala Rai Msc
1342 Tehrim Shehzad Msc.
25. Advantages
Data Integrity
Data independence
Structural independence
Data consistency & Accuracy
Easy data retrieval & sharing
26. Disadvantage
Calculation become rigid while working
with the larger data.
Slow in performance.
It requires more knowledge to
implement.
Once the database created it is not
changed easily.
30. Hierarchical Database Model
“Organize data in a series like a family tree or
organization chart”
Structure:
In which data is organized into a tree-
like structure.
The structure allows representing
information using Parent/child
relationship.
32. Advantages
This is good for one-to-many
relationship.
It can store large numbers of segment
and process information efficiently.
It is a simple structure and minimize disk
input and output.
33. Disadvantages
It is less user-friendly.
It creates inflexibility and programming
complexity.
It is difficult to recognize the database
as hierarchy has to be maintained.
34. Network Database Models
“ This conceived as a flexible way of
representing objects and their relationships.”
Employee
Supervisor Department
Project
35. Advantages
Ability to handle more relationship type.
Ease of data access
Data integrity
Data independence
37. Object Oriented Database
Models
“It actually manages the data access and the
querying of the data from the databases.”
Object oriented
Database Model
Name
Year
Advisor
Classes
38. Advantages
The amount of information that can be
modeled by an OODBMS Is increased.
It is also easier to model this information.
This is also able to have higher modeling
capabilities through extensibility.
39. Disadvantages
Data and operations are separated.
Inadequate for current problems.
Causing an added training cost for
developers.