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) — Merriam-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)



Talks about Databases (TED: Ideas Worth Spreading)




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)


DDC: 005.7 Data (Library Thing)
DDC: 005.74 General Databases And Data Files (Library Thing)
DDC: 005.75 Specific Databases And Data Files (Library Thing)
Subject: Databases (Library Thing)

Subject: Databases (Open Library)

LCC: QA 76.9.D3 Databases (UPenn Online Books)

LCC: QA 76.9.D3 (Library of Congress)
Subject: Databases (Library of Congress)

Subject: Databases (WorldCat)




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)

Database Courses (edX)



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 (JSTOR)



Databases (


More …

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

  • Airbyte Introduces Fine-Grained, Automated, and...
    on June 9, 2023 at 2:00 pm

    Airbyte is announcing the launch of three new features?checkpointing, column selection, and schema propagation?designed to improve Airbyte's resource usage, efficiency, and reliability while simultaneously enhancing flexibility when addressing compliance requirements

  • Impossible Cloud Creates Partner Program to Ease...
    on June 9, 2023 at 2:00 pm

    Impossible Cloud, offering decentralized multi-service cloud solutions, is launching its Partner Program to help partners and resellers implement, demo, and integrate Impossible Cloud's performance-driven solutions into enterprise environments. According to the company, the program has been developed to support various prospective channel partners?including value-added resellers (VARs), systems integrators (SIs), managed service providers (MSPs), and independent software vendors (ISVs)?in their […]

  • DataStax Furthers the Enhancement of AI...
    on June 9, 2023 at 2:00 pm

    DataStax is announcing that its Database-as-a-Service, Astra DB, now supports vector search?representing a leap by the company into enhanced support for AI workloads, including those using LLMs.

  • CoreWeave Raises $200M to Supercharge Training AI...
    on June 8, 2023 at 4:00 pm

    CoreWeave, a specialized cloud provider built for large-scale GPU-accelerated workloads, announced it has secured an additional $200 million in funding to propel its specialized cloud infrastructure to train, serve inference, and fine-tune models with AI. This latest funding milestone comes from Magnetar Capital, a leading alternative asset manager. The funding extension comes just one month after the company announced $221 million in Series B funding, also led by Magnetar, bringing the total […]

  • Velotix?s Modular Approach to Data Security...
    on June 8, 2023 at 4:00 pm

    Velotix is launching its three-tiered architecture for the Velotix security platform, built to propel organizations on their way toward fully automated data access.

  • 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.