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  2. Entity–attribute–value model - Wikipedia

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

    Microsoft SQL Server 2008 offers a (proprietary) alternative to EAV. [33] 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 ...

  3. SQL syntax - Wikipedia

    en.wikipedia.org/wiki/SQL_syntax

    TIME: for time values (e.g. 15:51:36). TIME WITH TIME ZONE: the same as TIME, but including details about the time zone in question. TIMESTAMP: This is a DATE and a TIME put together in one variable (e.g. 2011-05-03 15:51:36.123456). TIMESTAMP WITH TIME ZONE: the same as TIMESTAMP, but including details about the time zone in question.

  4. Dimension (data warehouse) - Wikipedia

    en.wikipedia.org/wiki/Dimension_(data_warehouse)

    Storing date/time in both local and standard time, will allow for analysis on when facts are created in a local setting and in a global setting as well. The standard time chosen can be a global standard time (ex. UTC), it can be the local time of the business’ headquarters (ex. CET), or any other time zone that would make sense to use.

  5. SQL - Wikipedia

    en.wikipedia.org/wiki/SQL

    Popular implementations of SQL commonly omit support for basic features of Standard SQL, such as the DATE or TIME data types. The most obvious such examples, and incidentally the most popular commercial and proprietary SQL DBMSs, are Oracle (whose DATE behaves as DATETIME , [ 24 ] [ 25 ] and lacks a TIME type) [ 26 ] and MS SQL Server (before ...

  6. Comparison of relational database management systems - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_relational...

    Note (9): Despite the lack of a date datatype, SQLite does include date and time functions, [83] which work for timestamps between 24 November 4714 B.C. and 1 November 5352. Note (10): Informix DATETIME type has adjustable range from YEAR only through 1/10000th second. DATETIME date range is 0001-01-01 00:00:00.00000 through 9999-12-31 23:59:59 ...

  7. 'Bleeding Eye' Virus Sparks Travel Warning and Worldwide ...

    www.aol.com/bleeding-eye-virus-sparks-travel...

    The Marburg virus, which causes bleeding from the eyes, nose, and mouth, can be fatal in up to 90% of those infected

  8. Colin Jost was stumped by this question about wife Scarlett ...

    www.aol.com/colin-jost-stumped-wife-scarlett...

    Colin Jost couldn't correctly answer a question about wife Scarlett Johansson when he played a round of "Pop Culture Jeopardy!" on the TODAY Show Dec. 3.

  9. Slowly changing dimension - Wikipedia

    en.wikipedia.org/wiki/Slowly_changing_dimension

    The Start date/time of the second row is equal to the End date/time of the previous row. The null End_Date in row two indicates the current tuple version. A standardized surrogate high date (e.g. 9999-12-31) may instead be used as an end date, so that the field can be included in an index, and so that null-value substitution is not required ...