Updating your expert database profile on pem network
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This document provides instructions for updating an expert profile on the PEMNetwork.org website, including logging into an existing account, finding an existing profile, and agreeing to mentor others registered on the site.
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Topics are
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Query Handling System
ABSTRACT
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The Query Handling Services is to replace the existing manual system with a software solution.
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The document presents on database management systems. It defines a database as a collection of programs that stores and extracts information. It then gives examples of database applications and discusses the steps in database design such as requirements analysis and conceptual modeling. Several functions of database management systems are outlined including data storage, security, and transaction management. The roles and benefits of DBMS are also summarized.
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The document discusses file management systems and database management systems (DBMS). It describes the different types of file organization including sequential, indexed sequential, and direct access. It also discusses fundamental characteristics of file management systems like creation, updating, retrieval, and maintenance of files. Additionally, it covers topics like data models, DBMS languages, database users, advantages and disadvantages of DBMS, and challenges of data redundancy.
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The document provides tips for desktop publishing including having a plan, choosing a template, setting up the document, placing and formatting text and graphics, tweaking graphic placement, applying design rules, proofreading a draft, and finally printing the project. Key steps are to have an initial sketch, select a template or start from scratch, import or type text and graphics, align and style text, move graphics for proper wrapping, and proof before final printing.
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Presentation of DBMS (database management system) part 1
This slide consist of Introduction of DBMS.
Topics are
What is DBMS ? Data Items & Records.
Reasons for using DBMS?
Query Handling System
ABSTRACT
This project is be designed and developed to handle Frequently Asked Questions posted to various departments in a university. The University examination branch wants to maintain all the frequently asked questions in the database subject wise, to avail them to all the students whenever necessary. They will update the questions as and when required. The primary goal of the Query Handling Service is to provide an environment that is both convenient and efficient to use in retrieving and storing the information into database..
The database system must provide the safety to the information stored, despite system crashes or attempts of unauthorized access. If data are to be shared among several users, the system must avoid possible anomalous results.
Existing System
The existing system is a manual one. When the student wants to clear his query he personally contacts the concerned person in the university. The concerned person will clear his doubt.
Disadvantages:
• Difficulty in contacting the concerned person.
• Difficult to handle more students for administrator.
• Difficulty in maintaining frequently asked questions manually
Proposed System
The Query Handling Services is to replace the existing manual system with a software solution.
The University examination branch wants to maintain all the frequently asked questions in the database subject wise, to avail them to all the students. And they will update the questions as and when required in online.
The proposed system has one super user to control the data, appointing the administrators in each department. The administrator is responsible to answer all the questions posted by students.
When the student post a question in certain department the respective administrator will answer the question and a copy of the answer will be sent to the student.
Merits of This System
• Faster processing when compared to existing one.
• Maintaining frequently asked questions
• Modifications of answers can be carried out immediately
• Administrator can handle more number of students.
• Easy maintenance of administrator details.
Modules:
• Super User
• Administrator
• Student
Super User:
super user to control the data, appointing the administrators in each department,appointing the administrator to a particular department for that he register the admin,adding a new departments like computer science, chemistry, physics, maths, etc.. At the same time he can delete the departments, adding a new topic to particular department. At the same time he delete the added topics also, adding the question with answers and storing the data in database.
Administrator:
Admin can add the question with answers and it will be stored in database for students to retrieve it.
Admin will modify the answers.
The student post a question in certain department the respective administrator will answer the question and a co
Ms publisher
This document discusses desktop publishing and the software MS Publisher. It will cover understanding desktop publishing, common desktop publishing software including MS Publisher, popular publication types like business cards and brochures, and how to design different publications using MS Publisher like calendars, flyers, and brochures. Students will learn the components, elements, and principles of design and how to access and use MS Publisher to create publications.
Lecture 10 distributed database management system
This document discusses distributed database management systems (DDBMS). It outlines the evolution of DDBMS from centralized systems to today's distributed systems over the internet. It describes the advantages and disadvantages of DDBMS, components of DDBMS including transaction processors and data processors, and levels of data and process distribution including single-site, multiple-site, and fully distributed systems. It also discusses concepts like distribution transparency, transaction transparency, and distributed concurrency control in DDBMS.
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The data that indicates the earth location (latitude & longitude, or height & depth ) of these rendered objects is known as spatial data.
When the map is rendered, objects of this spatial data are used to project the location of the objects on 2-Dimentional piece of paper.
The spatial data management systems are designed to make the storage, retrieval, & manipulation of spatial data (i.e points, lines and polygons) easier and natural to users, such as GIS.
While typical databases can understand various numeric and character types of data, additional functionality needs to be added for databases to process spatial data types.
These are typically called geometry or feature.
Desktop publishing intro
Desktop publishing involves using page layout skills on a personal computer to design publications. It allows users to combine text, graphics, and other elements into a standardized format for printed output or digital distribution. Key benefits of desktop publishing include making documents visually appealing and streamlining the process of disseminating information to others. While graphic design focuses more on conceptual creativity, desktop publishing is a more production-oriented process of implementing design ideas. Popular desktop publishing software gives users tools for formatting pages, inserting images and arranging objects on a page in layers for high-quality output comparable to traditional printing. Factors like intended audience, delivery method, and page limitations must be considered during the desktop publishing process.
Presentation on Database management system
It includes:
Introduction to Database Management System
DBMS vs File System
View of data
Data models
Database Languages: DML, DDL
Database users and administrators
Transaction Management
Database System Structure
Application architectures
Desktop publishing (power point)
Desktop publishing involves using software to create documents for publication and is a component of graphic design. Graphic design encompasses desktop publishing skills as well as considering broader artistic and visual design elements. Desktop publishers can create materials like business cards, calendars, labels, and newsletters. Their roles involve design and marketing work, and jobs are available at companies in Chicago and Boston focused on creative services and information technology, respectively, paying $23-27 per hour.
introdution to SQL and SQL functions
This document provides an introduction to SQL (Structured Query Language). It defines SQL as a standard language for accessing and manipulating databases. The key points covered include:
- SQL lets you perform queries against a database to retrieve, insert, update, and delete data. It can also be used to create and modify database structures.
- Common SQL commands covered are SELECT, INSERT, UPDATE, DELETE, CREATE TABLE, ALTER TABLE, DROP TABLE.
- Additional SQL concepts explained are data types, WHERE clauses, ORDER BY clauses, GROUP BY clauses, and JOIN operations.
- RDBMS systems like MySQL, SQL Server, Oracle, etc. use SQL to communicate with the databases they manage.
Dbms slides
This document discusses the key components of a database system including applications, file systems, data views, query processors, users and administrators, data languages, transaction management, and storage managers. It provides examples of common database applications and describes how data is abstracted at the physical, logical, and view levels. It also explains the roles of DDL, DML, transactions, and storage managers in database design and management.
Database management system presentation
A database is a collection of data that can be used alone or combined to answer users' questions. A database management system (DBMS) provides programs to manage databases, control data access, and include a query language. When designing a database, it is important to structure the data so that specific records can be easily accessed, the database can respond to different questions, minimal storage is used, and redundant data is avoided. Key concepts in database design include entities, attributes, records, primary keys, foreign keys, and relationships between tables.
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Presentation of DBMS (database management system) part 2
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ADVANCE DATABASE MANAGEMENT SYSTEM CONCEPTS & ARCHITECTURE by vikas jagtap
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- 3. Log In
- 4. Log In New Registered accounts are free.
- 10. Agree to Mentor
- 15. Searching the Expert Database on PEMNetwork.org Todd Chang, MD