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2. Database storage structures - Wikipedia

   en.wikipedia.org/wiki/Database_storage_structures

   By contrast, column-oriented DBMS store all data from a given column together in order to more quickly serve data warehouse-style queries. Correlation databases are similar to row-based databases, but apply a layer of indirection to map multiple instances of the same value to the same numerical identifier.

3. Key–value database - Wikipedia

   en.wikipedia.org/wiki/Key–value_database

   A tabular data card proposed for Babbage's Analytical Engine showing a key–value pair, in this instance a number and its base-ten logarithm. A key–value database, or key–value store, is a data storage paradigm designed for storing, retrieving, and managing associative arrays, and a data structure more commonly known today as a dictionary or hash table.

4. List of in-memory databases - Wikipedia

   en.wikipedia.org/wiki/List_of_in-memory_databases

   Mnesia is a distributed, soft real-time database management system written in the Erlang programming language. It is distributed as part of the Open Telecom Platform. MonetDB: MonetDB Solutions, CWI: 2004 SQL, ODBC, JDBC, C, C++, Java, Python, PHP, Node.js, Perl, Ruby, R, MAL open-source MonetDB License, based on MPL 2.0 as of version Jul2015.

5. Database engine - Wikipedia

   en.wikipedia.org/wiki/Database_engine

   A database engine (or storage engine) is the underlying software component that a database management system (DBMS) uses to create, read, update and delete (CRUD) data from a database. Most database management systems include their own application programming interface (API) that allows the user to interact with their underlying engine without ...

6. Database object - Wikipedia

   en.wikipedia.org/wiki/Database_object

   A database object is a structure for storing, managing and presenting application- or user-specific data in a database. Depending on the database management system (DBMS), many different types of database objects can exist. [1] [2] The following is a list of the most common types of database objects found in most relational databases (RDBMS):

7. Database schema - Wikipedia

   en.wikipedia.org/wiki/Database_schema

   The database schema is the structure of a database described in a formal language supported typically by a relational database management system (RDBMS). The term "schema" refers to the organization of data as a blueprint of how the database is constructed (divided into database tables in the case of relational databases).

8. Frontend and backend - Wikipedia

   en.wikipedia.org/wiki/Frontend_and_Backend

   In software development, frontend refers to the presentation layer that users interact with, while backend involves the data management and processing behind the scenes. In the client–server model, the client is usually considered the frontend, handling user-facing tasks, and the server is the backend, managing data and logic.

9. Object database - Wikipedia

   en.wikipedia.org/wiki/Object_database

   Relational DBMS projects, by way of contrast, maintain a clearer division between the database model and the application. As the usage of web-based technology increases with the implementation of Intranets and extranets, companies have a vested interest in OODBMSs to display their complex data.