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  2. Power Query - Wikipedia

    en.wikipedia.org/wiki/Power_Query

    Power Query is an ETL tool created by Microsoft for data extraction, loading and transformation, and is used to retrieve data from sources, process it, and load them into one or more target systems. Power Query is available in several variations within the Microsoft Power Platform , and is used for business intelligence on fully or partially ...

  3. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    Microsoft Excel is a spreadsheet editor developed by Microsoft for Windows, macOS, Android, iOS and iPadOS.It features calculation or computation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA).

  4. Lookup table - Wikipedia

    en.wikipedia.org/wiki/Lookup_table

    When the program requires the sine of a value, it can use the lookup table to retrieve the closest sine value from a memory address, and may also interpolate to the sine of the desired value, instead of calculating by mathematical formula. Lookup tables can thus used by mathematics coprocessors in computer systems.

  5. Select (SQL) - Wikipedia

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

    The query retrieves all rows from the Book table in which the price column contains a value greater than 100.00. The result is sorted in ascending order by title. The asterisk (*) in the select list indicates that all columns of the Book table should be included in the result set.

  6. First normal form - Wikipedia

    en.wikipedia.org/wiki/First_normal_form

    All columns are regular [i.e. rows have no hidden components such as row IDs, object IDs, or hidden timestamps]. Violation of any of these conditions would mean that the table is not strictly relational, and therefore that it is not in first normal form. Examples of tables (or views) that would not meet this definition of first normal form are:

  7. Switch statement - Wikipedia

    en.wikipedia.org/wiki/Switch_statement

    In other languages, it is also possible to assign functions as lookup table values, gaining the same flexibility as a real switch statement. See Control table article for more detail on this). Lua does not support case/switch statements. [15] This lookup technique is one way to implement switch statements in the Lua language, which has no built ...

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  9. Online analytical processing - Wikipedia

    en.wikipedia.org/wiki/Online_analytical_processing

    It supports the MDX query language, the XML for Analysis and the olap4j interface specifications. Apache Doris is an open-source real-time analytical database based on MPP architecture. It can support both high-concurrency point query scenarios and high-throughput complex analysis. [31]