A two-tier architecture is an application package architecture in which a presentation layer or interface operates on a customer, and a data layer or data structure gets saved on a server.
Fundamentals of database system - Database System Concepts and ArchitectureMustafa Kamel Mohammadi
In this chapter you will learn
DBMS evolution
Data model
Three schema architecture
DBMS language
DBMS interfaces
DBMS components
Classification of DBMS
Structure and characteristics of DBMS with graph.
The Functionality of DBMS and it's working methodology
and brief description of all components of DBMS.
DBMS Vs TRADITIONAL FILES COMPARISON, DBMS ADVANTAGES AND DISADVANTAGES, CLASSIC FILE BASED SYSTEM, ADVANTAGES AND DISADVANTAGES OF CLASSICAL TECHNIQUE
A two-tier architecture is an application package architecture in which a presentation layer or interface operates on a customer, and a data layer or data structure gets saved on a server.
Fundamentals of database system - Database System Concepts and ArchitectureMustafa Kamel Mohammadi
In this chapter you will learn
DBMS evolution
Data model
Three schema architecture
DBMS language
DBMS interfaces
DBMS components
Classification of DBMS
Structure and characteristics of DBMS with graph.
The Functionality of DBMS and it's working methodology
and brief description of all components of DBMS.
DBMS Vs TRADITIONAL FILES COMPARISON, DBMS ADVANTAGES AND DISADVANTAGES, CLASSIC FILE BASED SYSTEM, ADVANTAGES AND DISADVANTAGES OF CLASSICAL TECHNIQUE
The slide was made about Basic Database Management system.
If you are a new student for Database Management then you should read this slide. by this slide you can easily gather a quick knowledge about database Management system. so now open this slide and read it.
An perspective into the raise of NoSQL systems and an comparison between RDBMS and NoSQL technologies.
The basic idea of the presentation originated while trying to understand the different alternatives available for managing data while building a fast, highly scalable, available, and reliable enterprise application.
Advanced Database Systems CS352Unit 2 Individual Project.docxnettletondevon
Advanced Database Systems CS352
Unit 2 Individual Project
Randle Kuhn
02/29/16
Contents
The Database Models, Languages, and Architecture 3
Database System Development Life Cycle 6
Database Management Systems 9
Advanced SQL 10
Web and Data Warehousing and Mining in the Business World 11
References 12
The Database Models, Languages, and Architecture
It is exceedingly essential for every organization to evaluate its constituent database needs/requirements so as to determine whether it will be operationally compatible with the distinct architectural layouts available. Making the wrong choice of architectural design results to degraded database performance in terms of speed of accessing data as well as executing data definition and manipulation commands. These architectural database designs include the 3-level architecture which is implemented under the ANSI-SPARC (American National Standards Institute, Standards Planning and Requirements Committee) architectural framework of computational standards. It was inaugurated in the year 1975 as an abstract standard for utilization in DBMSs (Database Management System). The core objective of this 3-level architecture is to introduce efficient database operability by separating the users view from the other views (internal, conceptual and external). The user’s view is implemented and operates independently of the underlying database architecture. Therefore, multiple users are able to access similar data items synchronously while at the same time customizing their respective views with no regard to the other users’ views (www.computingstudents.com, 2009). Additionally, it ensures that the users are not presented with the sophisticated hardware/physical implementation details which are basically irrelevant to users. The access speed for this type of architecture is exceedingly high with fault tolerance capabilities.
Data independence refers to a very important concept utilized in centrally oriented database management systems and which incorporates data transparency. This sort of transparency exempts the users from being affected by any alterations conducted on the structural or organizational makeup of the underlying data. According to the guidelines followed by data independence policies, the user applications should not be involved in problems or issues emanating from the internal data definitions. Operations conducted by the user applications should not be influenced in any way by these internal data modifications (Zaiane, 2016). Data independence is subdivided into two categories namely first level and second level of data independence.
Data administrators are responsible of many essential roles which are different from those of a database administrator in several ways. For instance, a data administrator is in charge of coming up with the necessary definition of data items, creating names to refer to various data items as well as their respective relationships. He/she often consult datab.
Counseling Ethics in Astrology for better Mental HealthBishal Ghimire
"Counseling Ethics in Astrology" navigates the delicate intersection between astrology and mental health, emphasizing the ethical considerations inherent in providing astrological counseling services. Recognizing the profound impact astrology can have on individuals' perceptions of self, relationships, and life events, practitioners in this field prioritize the well-being and mental health of their clients. Ethical guidelines encompass respecting clients' autonomy, confidentiality, and informed consent while offering astrological insights and guidance. Moreover, practitioners are committed to avoiding deterministic interpretations that could potentially harm clients' mental health, instead empowering them to explore possibilities and make informed choices. Ultimately, counseling ethics in astrology underscores the importance of utilizing astrological insights as tools for personal growth, self-awareness, and emotional healing within the context of responsible and compassionate counseling practices.
Agile Intro to Manifesto - Values 1 - Interaction over ProcessBishal Ghimire
This slide describes how we should be agile in software development by giving Interaction of people who are developing the software its space over the process and tools we use for software.
The simplified electron and muon model, Oscillating Spacetime: The Foundation...RitikBhardwaj56
Discover the Simplified Electron and Muon Model: A New Wave-Based Approach to Understanding Particles delves into a groundbreaking theory that presents electrons and muons as rotating soliton waves within oscillating spacetime. Geared towards students, researchers, and science buffs, this book breaks down complex ideas into simple explanations. It covers topics such as electron waves, temporal dynamics, and the implications of this model on particle physics. With clear illustrations and easy-to-follow explanations, readers will gain a new outlook on the universe's fundamental nature.
A review of the growth of the Israel Genealogy Research Association Database Collection for the last 12 months. Our collection is now passed the 3 million mark and still growing. See which archives have contributed the most. See the different types of records we have, and which years have had records added. You can also see what we have for the future.
Introduction to AI for Nonprofits with Tapp NetworkTechSoup
Dive into the world of AI! Experts Jon Hill and Tareq Monaur will guide you through AI's role in enhancing nonprofit websites and basic marketing strategies, making it easy to understand and apply.
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
How to Add Chatter in the odoo 17 ERP ModuleCeline George
In Odoo, the chatter is like a chat tool that helps you work together on records. You can leave notes and track things, making it easier to talk with your team and partners. Inside chatter, all communication history, activity, and changes will be displayed.
Thinking of getting a dog? Be aware that breeds like Pit Bulls, Rottweilers, and German Shepherds can be loyal and dangerous. Proper training and socialization are crucial to preventing aggressive behaviors. Ensure safety by understanding their needs and always supervising interactions. Stay safe, and enjoy your furry friends!
A workshop hosted by the South African Journal of Science aimed at postgraduate students and early career researchers with little or no experience in writing and publishing journal articles.
Read| The latest issue of The Challenger is here! We are thrilled to announce that our school paper has qualified for the NATIONAL SCHOOLS PRESS CONFERENCE (NSPC) 2024. Thank you for your unwavering support and trust. Dive into the stories that made us stand out!
2. Fundamentals Of Database Management
Syllabus
Unit 1 Fundamentals of DBMS
Introduction, DBMS & Approaches to Data Management,
Advantages of Database Systems, Functions of a DBMS,
Role of the Database Administrator, Types of Database
Systems
Unit 2 Physical Storage Structure of Databases
Introduction, Physical Storage Structure, Clustering,
Indexing, Self Assessment Questions, Hashing, Linear
Search, Collision Chain
Unit 3 Introduction to Relational Model
Introduction, The Relational Model , Properties of
Relations, Integrity Rules Relational Algebra Operators
3. Fundamentals Of Database Management
Syllabus
Unit 4 Database Processing
Introduction, Database Architecture, Application Logic,
One Tier Architectures, Two Tier Client/Server
Architectures, Advantages of Database Processing,
Economy of Scale, Efficient extraction of relevant
Information, Sharing of Data, Balancing Conflicting
Requirements, Environment of Standards, Controlled
Redundancy, Consistency , Integrity , Security ,
Flexibility and Responsiveness, Data Independence,
Three Level Architecture of a Database, Services of a
Database System, Functions of Database Management
Systems
4. Fundamentals Of Database Management
Syllabus
Unit 5 Relational Operators & Standards
Introduction, Relational Model – a
Review, Relation, Formal definition of a relation SQL –
The Relational database standard, Database
Creation, Sorting, Built-in Functions, Joining
Tables, Union, Relational Algebra
Unit 6 Database Design
Introduction, Introduction to Database Design, E-R
Modeling, Basic Constructs of E-R Modeling , Degree of a
Relationship , ER Notation , Normalization, Functional
Dependence, First Normal Form, Second Normal
Form, Third Normal Form, Boyce-Codd Normal
Form, Multi-valued Dependencies and Fourth Normal
Form Database Design Goals
5. Fundamentals Of Database Management
Syllabus
Unit 7 Database Security and Authorization
Introduction, Introduction to Database Security Issues , Types of
Security, Threats to Databases, Database Security and the
DBA, Access Protection, User Accounts, and Database
Audits, Discretionary Access Control Based on Granting and
Revoking Privileges, Types of Discretionary Privileges, Specifying
Privileges Using Views, Revoking Privileges, Propagation of
Privileges Using the grant option, Mandatory Access Control and
Role-based Access Control or Multilevel Security, Comparing
Discretionary Access Control and Mandatory Access, Control, Role-
Based Access Control, Access Control Policies for E-Commerce and
the Web, Introduction to Statistical Database Security, Introduction
to Flow Control, Covert Channels, Encryption and Public Key
Infrastructures, The Data and Advanced Encryption
Standards, Public Key Encryption, Digital Signatures
6. Fundamentals Of Database Management
Syllabus
Unit 8 ORDBMS and Concepts of Data Mining and Data
Warehousing
Introduction, The Evolution of Database Systems Technology, The
Informix Universal Server, Categories of INFORMIX Universal
Server, Overview of Data Mining Technology, Goals of Data Mining
and Knowledge Discovery. Association Rules, Market-Basket Model,
Support, and Confidence, Additional Considerations for Association
Rules, Classification, Clustering, Approaches to Other Data Mining
Problems , Discovery of Sequential Patterns, Discovery of Patterns
in Time Series, Regression, Neural Networks, Genetic Algorithms,
Applications of Data Mining, Commercial Data Mining Tools, Data
Warehousing, Introduction, Definitions, and Terminology,
Characteristics of Data Warehouses, Data Modeling for Data
Warehouses, Building a Data Warehouse, Typical Functionality of a
Data Warehouse, Data Warehouse versus Views, Problems and
Open Issues in Data Warehouses , Difficulties of Implementing Data
Warehouses, Open Issues in Data Warehousing
7. Fundamentals Of Database Management
Syllabus
Unit 9 SQL
Introduction, SQL - An Overview, Data Manipulation Language, Data
Definition Language , Data Control Language, Implementation of DML
Statements, Basics of the SELECT Statement , Conditional Selection
, Relational Operators, More Complex Conditions: Compound Conditions /
Logical Operators In & Between ,SQL Order of Logical Operations (each
operates from left to right) , Using LIKE , Joins , Keys, Performing a Join
, DISTINCT and Eliminating Duplicates , Aliases & In /
Subqueries, Miscellaneous SQL Statements - Aggregate Functions , Views
, Creating New Tables, Altering Tables, Adding Data , Deleting Data
, Updating Data , Miscellaneous Topics - Indexes , Group By & Having
, More Subqueries, Exists & All , UNION & Outer Joins, Cartesian product
Unit 10 Transaction Processing, Recovery and Concurrency
Introduction, Transactions, Read And Write Operations, Transaction and
System Concepts, Transaction and System Concepts, Recovery from System
Failures, Concurrency Control Mechanism, Locking, Deadlocks