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  2. Set operations (SQL) - Wikipedia

    en.wikipedia.org/wiki/Set_operations_(SQL)

    The EXCEPT ALL operator does not remove duplicates, but if a row appears X times in the first query and Y times in the second, it will appear (,) times in the result set. Notably, the Oracle platform provides a MINUS operator which is functionally equivalent to the SQL standard EXCEPT DISTINCT operator.

  3. LibreOffice - Wikipedia

    en.wikipedia.org/wiki/LibreOffice

    Addition of a “Handle Duplicate Records” dialog to select/remove duplicate records in Calc; Solver models can be saved into spreadsheets and Solver is able to provide a sensitivity analysis report; Addition of new sheet protection options related to Pivot Tables, Pivot Charts and AutoFilters

  4. Python (programming language) - Wikipedia

    en.wikipedia.org/wiki/Python_(programming_language)

    Since 7 October 2024, Python 3.13 is the latest stable release, and it and, for few more months, 3.12 are the only releases with active support including for bug fixes (as opposed to just for security) and Python 3.9, [55] is the oldest supported version of Python (albeit in the 'security support' phase), due to Python 3.8 reaching end-of-life.

  5. Lock (computer science) - Wikipedia

    en.wikipedia.org/wiki/Lock_(computer_science)

    The more fine-grained the available locks, the less likely one process/thread will request a lock held by the other. (For example, locking a row rather than the entire table, or locking a cell rather than the entire row); deadlock: the situation when each of at least two tasks is waiting for a lock that the other task holds. Unless something is ...

  6. Null (SQL) - Wikipedia

    en.wikipedia.org/wiki/Null_(SQL)

    E. F. Codd mentioned nulls as a method of representing missing data in the relational model in a 1975 paper in the FDT Bulletin of ACM-SIGMOD.Codd's paper that is most commonly cited with the semantics of Null (as adopted in SQL) is his 1979 paper in the ACM Transactions on Database Systems, in which he also introduced his Relational Model/Tasmania, although much of the other proposals from ...

  7. MongoDB - Wikipedia

    en.wikipedia.org/wiki/MongoDB

    All writes and reads are done on the primary replica by default. Secondary replicas maintain a copy of the data of the primary using built-in replication. When a primary replica fails, the replica set automatically conducts an election process to determine which secondary should become the primary.

  8. Plex Inc. - Wikipedia

    en.wikipedia.org/wiki/Plex_Inc.

    Plex Inc. is an American software company that runs its namesake over-the-top ad-supported streaming television service and develops media server software and apps that let users stream their personal media collections to their devices. [1]

  9. Checkmk - Wikipedia

    en.wikipedia.org/wiki/Checkmk

    Checkmk is a software system developed in Python and C++ for IT Infrastructure monitoring. It is used for the monitoring of servers, applications, networks, cloud infrastructures (public, private, hybrid), containers, storage, databases and environment sensors.