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  2. Join (SQL) - Wikipedia

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

    CROSS JOIN does not itself apply any predicate to filter rows from the joined table. The results of a CROSS JOIN can be filtered using a WHERE clause, which may then produce the equivalent of an inner join. In the SQL:2011 standard, cross joins are part of the optional F401, "Extended joined table", package.

  3. Plate trick - Wikipedia

    en.wikipedia.org/wiki/Plate_trick

    In mathematics and physics, the plate trick, also known as Dirac's string trick (after Paul Dirac, who introduced and popularized it), [1] [2] the belt trick, or the Balinese cup trick (it appears in the Balinese candle dance), is any of several demonstrations of the idea that rotating an object with strings attached to it by 360 degrees does not return the system to its original state, while ...

  4. List of Xbox 360 System Link games - Wikipedia

    en.wikipedia.org/wiki/List_of_Xbox_360_System...

    This is a list of Xbox 360 games that are compatible with the System Link feature, both released and unreleased, organized alphabetically by name. A system link connects two or more 360 consoles together without an internet connection. For original Xbox games, please see List of Xbox System Link games

  5. Sort-merge join - Wikipedia

    en.wikipedia.org/wiki/Sort-merge_join

    The sort-merge join (also known as merge join) is a join algorithm and is used in the implementation of a relational database management system. The basic problem of a join algorithm is to find, for each distinct value of the join attribute, the set of tuples in each relation which display that value. The key idea of the sort-merge algorithm is ...

  6. List of omnidirectional (360-degree) cameras - Wikipedia

    en.wikipedia.org/wiki/List_of_omnidirectional...

    Omnidirectional (360-degree cameras) can capture spherical 360° 180° panoramic photos or videos. This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources .

  7. MySQL AB - Wikipedia

    en.wikipedia.org/wiki/MySQL_AB

    MySQL AB had 400 employees in 25 countries, [2] and Open-source model companies. Around 70% of the employees were remote workers. [3] Together with Linux, Apache, and PHP, the MySQL Server forms one of the building blocks of the LAMP technology stack. The company claimed over 5 million MySQL installations and over 10 million product downloads ...

  8. Recursive join - Wikipedia

    en.wikipedia.org/wiki/Recursive_join

    The recursive join is an operation used in relational databases, also sometimes called a "fixed-point join". It is a compound operation that involves repeating the join operation, typically accumulating more records each time, until a repetition makes no change to the results (as compared to the results of the previous iteration).

  9. Bearing (navigation) - Wikipedia

    en.wikipedia.org/wiki/Bearing_(navigation)

    Therefore, every forty-five degrees of direction from north on the compass was divided into four 'points'. Thus, 32 points of 11.25° each makes a circle of 360°. An object at 022.5° relative would be 'two points off the starboard bow', an object at 101.25° relative would be 'one point abaft the starboard beam' and an object at 213.75 ...