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  2. Data validation - Wikipedia

    en.wikipedia.org/wiki/Data_validation

    Presence check Checks that data is present, e.g., customers may be required to have an email address. Range check Checks that the data is within a specified range of values, e.g., a probability must be between 0 and 1. Referential integrity Values in two relational database tables can be linked through foreign key and primary key.

  3. Range (statistics) - Wikipedia

    en.wikipedia.org/wiki/Range_(statistics)

    The mean range is given by [5] ... The range is a specific example of order statistics. In particular, the range is a linear function of order statistics, ...

  4. Data Analysis Expressions - Wikipedia

    en.wikipedia.org/wiki/Data_Analysis_eXpressions

    Data Analysis Expressions (DAX) is the native formula and query language for Microsoft PowerPivot, Power BI Desktop and SQL Server Analysis Services (SSAS) Tabular models. DAX includes some of the functions that are used in Excel formulas with additional functions that are designed to work with relational data and perform dynamic aggregation.

  5. Spreadsheet - Wikipedia

    en.wikipedia.org/wiki/Spreadsheet

    A cell or range can optionally be defined to specify how the value is displayed. The default display format is usually set by its initial content if not specifically previously set, so that for example "31/12/2007" or "31 Dec 2007" would default to the cell format of date.

  6. AOL

    search.aol.com

    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

  7. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    For example, MARCH1 (Membrane Associated Ring-CH-type finger 1) gets converted to the date March 1 (1-Mar) and SEPT2 (Septin 2) is converted into September 2 (2-Sep) etc. [89] While some secondary news sources [90] reported this as a fault with Excel, the original authors of the 2016 paper placed the blame with the researchers misusing Excel.

  8. 'You're not going to lose the polio vaccine,' Trump says of ...

    www.aol.com/news/youre-not-going-lose-polio...

    At a press conference at Mar-a-Lago Monday, President-elect Donald Trump addressed questions about vaccine policy under his administration.

  9. Time formatting and storage bugs - Wikipedia

    en.wikipedia.org/wiki/Time_formatting_and...

    The last modification date stamp (and with DELWATCH 2.0+ also the file deletion date stamp, and since DOS 7.0+ optionally also the last access date stamp and creation date stamp), are stored in the directory entry with the year represented as an unsigned seven bit number (0–127), relative to 1980, and thereby unable to indicate any dates in ...