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  2. Microsoft Access - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Access

    Microsoft Access. Microsoft Access is a database management system (DBMS) from Microsoft that combines the relational Access Database Engine (ACE) with a graphical user interface and software-development tools. It is a member of the Microsoft 365 suite of applications, included in the Professional and higher editions or sold separately.

  3. Operating system - Wikipedia

    en.wikipedia.org/wiki/Operating_system

    Server editions of Windows are widely used, however, Windows' usage on servers is not as widespread as on personal computers as Windows competes against Linux and BSD for server market share. ReactOS is a Windows-alternative operating system, which is being developed on the principles of Windows – without using any of Microsoft's code.

  4. Query plan - Wikipedia

    en.wikipedia.org/wiki/Query_plan

    A query plan (or query execution plan) is a sequence of steps used to access data in a SQL relational database management system. This is a specific case of the relational model concept of access plans. Since SQL is declarative, there are typically many alternative ways to execute a given query, with widely varying performance.

  5. List of SQL reserved words - Wikipedia

    en.wikipedia.org/wiki/List_of_SQL_reserved_words

    Reserved words in SQL and related products In SQL:2023 In IBM Db2 13 In Mimer SQL 11.0 In MySQL 8.0 In Oracle Database 23c In PostgreSQL 16 In Microsoft SQL Server 2022 In Teradata 15 ...

  6. Microsoft Query - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Query

    Microsoft Query is a visual method of creating database queries using examples based on a text string, the name of a document or a list of documents. The QBE system converts the user input into a formal database query using Structured Query Language (SQL) on the backend, allowing the user to perform powerful searches without having to ...

  7. IBM Db2 - Wikipedia

    en.wikipedia.org/wiki/IBM_Db2

    Users write a query once and data returns from multiple sources quickly and efficiently. Db2 on Cloud/Db2 Hosted. Db2 on Cloud: Formerly named "dashDB for Transactions", Db2 on Cloud is a fully managed, cloud SQL database with a high-availability option featuring a 99.99 percent uptime SLA. Db2 on Cloud offers independent scaling of storage and ...

  8. Query by Example - Wikipedia

    en.wikipedia.org/wiki/Query_by_Example

    Query by Example. Query by Example ( QBE) is a database query language for relational databases. It was devised by Moshé M. Zloof at IBM Research during the mid-1970s, in parallel to the development of SQL. [1] It is the first graphical query language, using visual tables where the user would enter commands, example elements and conditions.

  9. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    A server operator has received a legal demand to deny access to a resource or to a set of resources that includes the requested resource. The code 451 was chosen as a reference to the novel Fahrenheit 451 (see the Acknowledgements in the RFC). 5xx server errors. The server failed to fulfill a request.