Cosma / Communication / Media / Storage / Software / Database


davtech67 (YouTube Channel)


database : a usually large collection of data organized especially for rapid search and retrieval (as by a computer) — Webster   See also OneLook

Database (FOLDOC: Free Online Dictionary of Computing)


Roget’s II (, Merriam-Webster Thesaurus, Visuwords


Database is an organized collection of data, today typically in digital form. The data are typically organized to model relevant aspects of reality (for example, the availability of rooms in hotels), in a way that supports processes requiring this information (for example, finding a hotel with vacancies). — Wikipedia   See also Database (Encyclopædia Britannica)

Outline of Databases (Wikipedia)




Database Management System (DBMS) is software that enables users to define, create, maintain and control access to a database. The DBMS acronym is sometimes extended to indicate the underlying database model, with RDBMS for the relational, OODBMS for the object (oriented) and ORDBMS for the object–relational model. Other extensions can indicate some other characteristic, such as DDBMS for a distributed database management systems. — Wikipedia

Guru99 (YouTube Channel)

What is a Database? (Guru99, Website)

Database Management Systems: Category (Wikipedia)

Relational database is a database based on the relational model of data. A system used to maintain relational databases is a relational database management system (RDBMS). Many relational database systems have an option of using the SQL for querying and maintaining the database.[2] — Wikipedia

Relational Database Management System (FOLDOC: Free Online Dictionary of Computing)

SQL Structured Query Language) is a domain-specific language used in programming and designed for managing data held in a relational database management system (RDBMS), or for stream processing in a relational data stream management system (RDSMS). It is particularly useful in handling structured data, i.e. data incorporating relations among entities and variables. — Wikipedia

SQL (FOLDOC: Free Online Dictionary of Computing)


Comparison of Relational Database Management Systems (Wikipedia)




What Data (YouTube Channel)

History of Databases (Computer History Museum, YouTube Video)

Introduction to Databases (Philip Greenspun, SQL for Web Nerds)
Philip Greenspun (Wikipedia)


Melvil Decimal System # 005.7 Data (Library Thing)
Melvil Decimal System # 005.74 General Databases And Data Files (Library Thing)
Melvil Decimal System # 005.75 Specific Databases And Data Files (Library Thing)
Library of Congress Subject Heading: Database (Library Thing)

Library of Congress # QA76.9.D3 Databases (UPenn Online Books)

WorldCat, Library of Congress, UPenn Online Books, Open Library




MERLOT: Multimedia Educational Resource for Learning and Online Teaching
OER Commons: Open Educational Resources


MIT 6.830/6.814: Database Systems (MIT Opencourseware)
MIT 6.830/6.814: Database Systems (MIT Opencourseware, YouTube Playlist)



Computer Network and Database Architects (CareerOneStop, U.S. Department of Labor, Employment and Training Administration)
Database Administrator (CareerOneStop, U.S. Department of Labor, Employment and Training Administration)

Database Administrators and Architects (Occupational Outlook Handbook, U.S. Bureau of Labor Statistics)

Database Administrator (Computer
Database Administrator (FOLDOC: Free Online Dictionary of Computing)


Data / Storage And Retrieval (Communications of the ACM)
Database Trends and Applications
Database Journal



Databases (



Database Trends and Applications : All Articles RSS feeds from Database Trends and Applications .

  • Digitate Introduces New Multi-Cloud Offerings and...
    on March 31, 2023 at 5:00 pm

    Digitate, a provider of SaaS-based enterprise software for IT and business operations, is releasing a new solution, dubbed Eagle, to help advance greater agility and resiliency in digital enterprises. The new release advances AI and machine learning (ML) capabilities across the entire ignio product line, solving key business challenges with better enterprise risk management, intelligent patching and compliance, automation of advanced SAP operations, and streamlined change management process.

  • Making Data Team ROI Quantifiable and Qualitative
    on March 31, 2023 at 5:00 pm

    John Steinmetz, VP of data and analytics at Shiftkey, and Shane Murray, CTO at Monte Carlo, joined DBTA's webinar, "Virtual Data Panel: Measuring Data Team ROI," to discuss the strategies and tools data teams can implement as they look inward to measure their own ROI?whether it be to improve their data quality, or to effectively vocalize their organizational value.

  • Domo Introduces Variety of Low-Code/No-Code...
    on March 31, 2023 at 5:00 pm

    Domo is launching several new features to enhance the data experience for everyone across an organization, regardless of their skill level, reaching people at all stages of their data journey. "Our focus is to make data accessible and actionable through human-first data experiences. We want to enable everyone with the ability to leverage data, no matter their role or comfort level working with data," said Ben Schein, SVP of product at Domo.

  • AttackIQ Ready! Boosts Security Posture and...
    on March 30, 2023 at 2:55 pm

    AttackIQ is launching AttackIQ Ready!, a fully managed BAS that improves enterprise security posture and security program performance by employing years of advanced content and actionable reporting.

  • SIOS LifeKeeper v9.7 Provides Reliable,...
    on March 30, 2023 at 2:55 pm

    SIOS Technology Corp. is announcing the immediate availability of SIOS LifeKeeper v9.7 clustering software, enabling new and robust HA and DR capabilities for SAP HANA environments.

  • SQL SORT BY Statement
    by Ronnie Payne on March 21, 2023 at 2:11 am

    In relational databases, the SQL ORDER BY statement is a powerful tool for sorting data in a table. The statement is used to arrange queried data into rows in a specific order, based upon one or more columns. In this database programming tutorial, we will learn how to use the SQL ORDER BY statement to The post SQL SORT BY Statement appeared first on Database Journal.

  • Working with NULL Values in SQL
    by Ronnie Payne on March 9, 2023 at 5:17 pm

    In SQL and relational databases, NULL values are an important part of managing data and information stored in SQL tables. A NULL value is used as a placeholder for missing values or values that are unknown in a database column or cell. Understanding how to handle NULL values is important for database developers who want The post Working with NULL Values in SQL appeared first on Database Journal.

  • Working with SQL AND, OR, and NOT Operators
    by Ronnie Payne on February 21, 2023 at 3:17 am

    In a previous tutorial, we learned how to work with the WHERE clause in SQL, which database developers can use when they wish to retrieve a group of records that meet a certain criteria or condition. For instance, a database administrator may wish to find every instance in a database where a user’s name is The post Working with SQL AND, OR, and NOT Operators appeared first on Database Journal.

  • How to Use Databases With Python
    by technologyadv on February 10, 2023 at 4:34 am

    Python allows developers to interact with various relational databases (such as Oracle, SQLite, and MySQL) and relational database systems (RDBMS) through several different libraries, which must conform to standards defined in PEP 249. In this database programming tutorial, we will discuss how to connect to a MySQL database using Python and make database queries. You The post How to Use Databases With Python appeared first on Database Journal.

  • SQL Data Types
    by Ronnie Payne on February 3, 2023 at 11:04 pm

    In SQL, data types help to define the type of value that can be stored in a database cell, or, more specifically, in a column. There are many kinds of data types in SQL and in this database programming and administration tutorial, we will look at each one and learn their syntax, how to use The post SQL Data Types appeared first on Database Journal.




Here are links to pages about closely related subjects.


Function Communications Computation Storage Creation Simulation
Analog Mail Device Paper Type, Print Automaton
Electronic Network Calculator Tape Record Elektro
Digital Internet Computer
Hardware Modem Microprocessor Memory Peripheral Robot, XR
Software Service (Web) Program (OS, SS) Database Application AI, VW

Format Multimedia (Video, Animation) Image (Object) Scent, Flavor, Audio (Text) Haptic, “Other

See also Data



1.   The resources on this page are are organized by a classification scheme developed exclusively for Cosma.