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  2. MultiDimensional eXpressions - Wikipedia

    en.wikipedia.org/wiki/MultiDimensional_eXpressions

    The MultiDimensional eXpressions (MDX) language provides a specialized syntax for querying and manipulating the multidimensional data stored in OLAP cubes. [1] While it is possible to translate some of these into traditional SQL, it would frequently require the synthesis of clumsy SQL expressions even for very simple MDX expressions.

  3. PL/SQL - Wikipedia

    en.wikipedia.org/wiki/PL/SQL

    There is no DATETIME type. And there is a TIME type. But there is no TIMESTAMP type that can contain fine-grained timestamp up to millisecond or nanosecond. The TO_DATE function can be used to convert strings to date values. The function converts the first quoted string into a date, using as a definition the second quoted string, for example:

  4. C Sharp (programming language) - Wikipedia

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

    Boxing is the operation of converting a value-type object into a value of a corresponding reference type. [106] Boxing in C# is implicit. Unboxing is the operation of converting a value of a reference type (previously boxed) into a value of a value type. [106] Unboxing in C# requires an explicit type cast. A boxed object of type T can only be ...

  5. Array (data type) - Wikipedia

    en.wikipedia.org/wiki/Array_(data_type)

    Thus, an array of numbers with 5 rows and 4 columns, hence 20 elements, is said to have dimension 2 in computing contexts, but represents a matrix that is said to be 4×5-dimensional. Also, the computer science meaning of "rank" conflicts with the notion of tensor rank, which is a generalization of the linear algebra concept of rank of a matrix.)

  6. Language Integrated Query - Wikipedia

    en.wikipedia.org/wiki/Language_Integrated_Query

    Language Integrated Query (LINQ, pronounced "link") is a Microsoft.NET Framework component that adds native data querying capabilities to .NET languages, originally released as a major part of .NET Framework 3.5 in 2007.

  7. Entity–attribute–value model - Wikipedia

    en.wikipedia.org/wiki/Entity–attribute–value...

    Columns with an atomic data type (e.g., numeric, varchar or datetime columns) can be designated as sparse simply by including the word SPARSE in the column definition of the CREATE TABLE statement. Sparse columns optimize the storage of NULL values (which now take up no space at all) and are useful when the majority records in a table will have ...

  8. Which type of dog parent are you? This new study will help ...

    www.aol.com/type-dog-parent-study-help-110000375...

    ‘Inside Out 2’ shows that anxiety can be a hero, not a villain (guest column) Sports. Sports. Yahoo Sports. MLB free agency: Why some teams haven’t done much yet this winter. Sports.

  9. BSON - Wikipedia

    en.wikipedia.org/wiki/BSON

    [4] [5] The topmost element in the structure must be of type BSON object and contains 1 or more elements, where an element consists of a field name, a type, and a value. Field names are strings. Field names are strings.

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    convert object column to date pandas