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  2. Join (SQL) - Wikipedia

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

    In the Teradata implementation, specified columns, aggregate functions on columns, or components of date columns from one or more tables are specified using a syntax similar to the definition of a database view: up to 64 columns/column expressions can be specified in a single join index.

  3. MySQL - Wikipedia

    en.wikipedia.org/wiki/MySQL

    MySQL (/ ˌ m aɪ ˌ ɛ s ˌ k juː ˈ ɛ l /) [6] is an open-source relational database management system (RDBMS). [6] [7] Its name is a combination of "My", the name of co-founder Michael Widenius's daughter My, [1] and "SQL", the acronym for Structured Query Language.

  4. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    In the figure, the fraction 1/9000 is displayed in Excel. Although this number has a decimal representation that is an infinite string of ones, Excel displays only the leading 15 figures. In the second line, the number one is added to the fraction, and again Excel displays only 15 figures. In the third line, one is subtracted from the sum using ...

  5. Comparison of relational database management systems - Wikipedia

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

    Note (1): Both function and procedure refer to internal routines written in SQL and/or procedural language like PL/SQL. External routine refers to the one written in the host languages, such as C, Java, Cobol, etc. "Stored procedure" is a commonly used term for these routine types. However, its definition varies between different database vendors.

  6. Wikipedia - Wikipedia

    en.wikipedia.org/wiki/Wikipedia

    Languages with fewer than 1,000,000 articles are represented by one circle. Languages are grouped by region of continent and each region of continent is presented by a separate color. In January 2007, Wikipedia first became one of the ten most popular websites in the United States, according to Comscore Networks. [43]

  7. Milan - Wikipedia

    en.wikipedia.org/wiki/Milan

    Milan (/ m ɪ ˈ l æ n / mil-AN, US also / m ɪ ˈ l ɑː n / mil-AHN, [5] [6] Milanese: ⓘ; Italian: Milano ⓘ) is a city in northern Italy, regional capital of Lombardy, the largest city in Italy by urban population [7] and the second-most-populous city proper in Italy after Rome.

  8. Mecca - Wikipedia

    en.wikipedia.org/wiki/Mecca

    Mecca has been referred to by many names. As with many Arabic words, its etymology is obscure. [24] Widely believed to be a synonym for Makkah, it is said to be more specifically the early name for the valley located therein, while Muslim scholars generally use it to refer to the sacred area of the city that immediately surrounds and includes the Ka'bah.

  9. Wikipedia:Vital articles/Level/5/Technology - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Vital_articles/...

    Vital articles is a list of subjects for which Wikipedia should have corresponding high-quality articles. It serves as a centralized watchlist to track the status of Wikipedia's most essential articles. This is one of the sub-lists of the fifty thousand article Vital articles/Level 5 and is currently under construction.