Database and types of database
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The document discusses different types of databases including relational, document oriented, embedded, graph, hypertext, operational, distributed, and flat file databases. It provides details on relational databases describing their use of tables, rows, columns, primary keys, and foreign keys. Document oriented databases are described as storing documents similar to records in relational databases but without uniform field sizes. Graph databases use graph structures with nodes and edges to represent data.
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Database
Databasebaabtra.com - No. 1 supplier of quality freshers This document provides an overview of different types of databases:
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- Operational databases store organization operations distinctly.
- Distributed databases store data across multiple connected computers.
- Flat files store each record as a separate line with delimited fields.
RDMS AND SQL
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database management system (DBMS)
database management system (DBMS)BigyanDhital1 This document provides information about database management systems (DBMS). It defines a DBMS as a software system that stores data, processes data, and provides information in an organized way. It discusses some popular DBMS software like MS Access, Oracle, SQL Server, and MySQL. The document also explains some key concepts in DBMS like tables, records, fields, and objects. It provides examples of how a database with tables can be used to store and organize information.
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6.2 software
6.2 softwarefahrie_khai_sab_taufiq A field is a category of information in a table represented by a column. A record consists of related fields arranged in a row. A file is a named collection of data organized into tables, queries, forms and reports that together form a database.
Info systems databases
Info systems databasesMR Z The document provides an overview of information systems and databases as covered in the HSC course. It discusses different types of information systems and focuses on organizing, storing, and retrieving data with database systems. It describes skills needed to analyze database information systems and provides examples to practice these skills. Finally, it covers topics like database design, data storage and retrieval methods, and some social and ethical issues related to information systems.
Database Management Systems.pptx
Database Management Systems.pptxCallplanetsDeveloper The document discusses database management systems (DBMS) and relational database management systems (RDBMS). It defines key concepts like data, structured, semi-structured and unstructured data, databases, tables, relationships, and SQL. A DBMS stores data across various formats and provides features for data validation, integrity, and sharing. An RDBMS is designed for structured data in tables with relationships and uses SQL. The document provides examples of creating tables and programming in SQL with queries, inserts, updates and joins.
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Introduction to Sql on Hadoop
Introduction to Sql on HadoopSamuel Yee This document introduces SQL and relational databases, and describes how Hadoop addresses some of their limitations for large, unstructured data. It discusses using SQL-like languages like Pig and Hive on Hadoop to perform ETL and analytics. Different data models for NoSQL databases on Hadoop are also presented, including columnar, key-value, document and graph models. The document concludes with a demo of Pig and Hive on Shakespeare's works.
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DatabaseVaibhav Bajaj This document provides an overview of fundamentals of database design. It discusses what a database is, the difference between data and information, why databases are needed, how to select a database system, basic database definitions and building blocks, quality control considerations, and data entry methods. The overall purpose of a database management system is to transform data into information, information into knowledge, and knowledge into action.
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Introduction to databaseSuleman Memon The document discusses different types of databases including relational databases, analytical databases, operational databases, and object-oriented databases. It describes key characteristics of each type of database such as how they model and store data. Relational databases use tables to store data and link tables using relationships while analytical databases store archived data for analysis and operational databases manage dynamic data. Object-oriented databases integrate object-oriented programming with databases.
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Database and types of database
- 2. Date:9-1-2015 [email protected] facebook.com/baabtra twitter.com/baabtra in.linkedin.com/in/baabtra DATABASE AND TYPES OF DATABASE
- 3. DATABASE MANAGEMENT SYSTEM A Database is a collection of records. Database management systems are designed as the means of managing all the records. DBMS is a software system designed to allow the definition , update , retrieval and administration of databases.
- 4. TYPES OF DATABASE •Relational database •Document oriented database •Embedded database •Graph database •Hypertext database •Operational database •Distributed database •Flat file
- 5. RELATIONAL DATABASE A relational database is a database that has a collection of tables of data items. Data in a single table represents a relations. Tables consist of rows and columns. The columns constitute the attributes. The rows constitute tuples.
- 6. • Row-A data set representing a single item. • Column-A labeled element of a tuple, e.g. "Address" or "Date of birth”, of multiple data item.
- 7. A primary key is used to uniquely identify each row. The foreign key a column or group of columns in one table that points to the primary key of another table.
- 8. DOCUMENT ORIENTED DATABASE A computer program designed for storing, retrieving and managing document oriented information. Documents inside a document-oriented database are similar to records or rows in relational databases. Do not store data in tables with uniform sized fields for each record.
- 9. Any number of fields of any length can be added to a document.
- 10. EMBEDDED DATABASE •The databases consist of data developed by individual end users. •Examples of these are collection of documents, spreadsheets, presentations and other files.
- 12. GRAPH DATABASE A graph database is a database that uses graph structures with nodes, edges, and properties to represent and store data. A graph database is any storage system that provides index-free adjacency. This means that every element contains a direct pointer to its adjacent elements.
- 14. HYPERTEXT DATABASE Hypertext databases are particularly useful for organizing large amount of disparate information. Hypertext is text displayed on a computer display or other electronic devices with references to other text which the reader can immediately access. Pages often written in HTML.
- 16. OPERATIONAL DATABASE An operational database contains data about the things that go on inside an organization or enterprise. Example: data on customer complaints, employee information, etc.
- 17. DISTRIBUTED DATABASE It is a database in which portions of the database are stored on multiple computers within a network. The DDBMS synchronizes all the data periodically. Updates and deletes performed on the data at one location will be automatically reflected in the data stored elsewhere.
- 18. FLAT FILE A flat file database is a database that stores data in a plain text file. Flat files are ideal for small amount of data. Each line of the text file holds one record, with fields separated by delimiters, such as commas or tabs.
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