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  2. DB-Engines ranking - Wikipedia

    en.wikipedia.org/wiki/DB-Engines_ranking

    The DB-Engines Ranking ranks database management systems by popularity, covering over 410 systems. The ranking criteria [1] include number of search engine results when searching for the system names, Google Trends, Stack Overflow discussions, job offers with mentions of the systems, number of profiles in professional networks such as LinkedIn, mentions in social networks such as Twitter.

  3. Okapi BM25 - Wikipedia

    en.wikipedia.org/wiki/Okapi_BM25

    In information retrieval, Okapi BM25 (BM is an abbreviation of best matching) is a ranking function used by search engines to estimate the relevance of documents to a given search query. It is based on the probabilistic retrieval framework developed in the 1970s and 1980s by Stephen E. Robertson , Karen Spärck Jones , and others.

  4. List of relational database management systems - Wikipedia

    en.wikipedia.org/wiki/List_of_relational...

    SQL Anywhere (formerly known as Sybase Adaptive Server Anywhere and Watcom SQL) Proprietary SQL Azure (Cloud SQL Server) Proprietary SQLBase: Proprietary SQLite: Public Domain SQream DB: Proprietary SAP Advantage Database Server (formerly known as Sybase Advantage Database Server) Proprietary Teradata: Proprietary TiDB: Apache License 2.0 ...

  5. Programming languages used in most popular websites

    en.wikipedia.org/wiki/Programming_languages_used...

    Microsoft SQL Server, Cosmos DB: Search engine from Microsoft. eBay: 285,000,000 JavaScript: Java, [24] JavaScript, [25] Scala [26] Oracle Database: Online auction house. MSN: 280,000,000 JavaScript: C# Microsoft SQL Server: An email client, for simple use. Previously known as "messenger", not to be confused with Facebook's messaging platform ...

  6. Ranking (information retrieval) - Wikipedia

    en.wikipedia.org/wiki/Ranking_(information...

    Ranking of query is one of the fundamental problems in information retrieval (IR), [1] the scientific/engineering discipline behind search engines. [2] Given a query q and a collection D of documents that match the query, the problem is to rank, that is, sort, the documents in D according to some criterion so that the "best" results appear early in the result list displayed to the user.

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. List of in-memory databases - Wikipedia

    en.wikipedia.org/wiki/List_of_in-memory_databases

    SQL, ODBC, JDBC, ADO.NET, Embedded SQL, C, C++, Python Proprietary Mimer SQL is a general purpose relational database server that can be configured to run fully in-memory. Mimer SQL has full ACID support, support for stored procedures and is the only database that has a full score on SQL compliance Mnesia: Ericsson: 2014 Open Source Erlang License

  9. Comparison of version-control software - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_version...

    get -r N/A edit -i Subversion: svnadmin create svnadmin hotcopy [work-around]: svnadmin load [work-around]: svnadmin dump N/A checkout – co update – up lock add delete – del – remove – rm move – mv – rename – ren copy – cp merge commit – ci revert N/A N/A Surround SCM: mkmainline N/A N/A N/A mkbranch checkout get checkout add rm