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  2. Hierarchical and recursive queries in SQL - Wikipedia

    en.wikipedia.org/wiki/Hierarchical_and_recursive...

    In standard SQL:1999 hierarchical queries are implemented by way of recursive common table expressions (CTEs). Unlike Oracle's earlier connect-by clause, recursive CTEs were designed with fixpoint semantics from the beginning. [1] Recursive CTEs from the standard were relatively close to the existing implementation in IBM DB2 version 2. [1]

  3. Switch statement - Wikipedia

    en.wikipedia.org/wiki/Switch_statement

    Switch statements function somewhat similarly to the if statement used in programming languages like C/C++, C#, Visual Basic .NET, Java and exist in most high-level imperative programming languages such as Pascal, Ada, C/C++, C#, [1]: 374–375 Visual Basic .NET, Java, [2]: 157–167 and in many other types of language, using such keywords as ...

  4. SQL:1999 - Wikipedia

    en.wikipedia.org/wiki/SQL:1999

    The SQL:1999 standard calls for a Boolean type, [1] but many commercial SQL servers (Oracle Database, IBM Db2) do not support it as a column type, variable type or allow it in the results set. Microsoft SQL Server is one of the few database systems that properly supports BOOLEAN values using its "BIT" data type [citation needed]. Every 1–8 ...

  5. Recursive join - Wikipedia

    en.wikipedia.org/wiki/Recursive_join

    The recursive join is an operation used in relational databases, also sometimes called a "fixed-point join". It is a compound operation that involves repeating the join operation, typically accumulating more records each time, until a repetition makes no change to the results (as compared to the results of the previous iteration).

  6. Recursion (computer science) - Wikipedia

    en.wikipedia.org/wiki/Recursion_(computer_science)

    Recursion that contains only a single self-reference is known as single recursion, while recursion that contains multiple self-references is known as multiple recursion. Standard examples of single recursion include list traversal, such as in a linear search, or computing the factorial function, while standard examples of multiple recursion ...

  7. Is it possible to retire comfortably on Social Security alone ...

    www.aol.com/possible-retire-comfortably-social...

    Randle had a long career in the Army and Army Reserve, working as a colonel’s clerk and as a general’s driver. She dabbled in property management and sometimes moonlighted as a cocktail waitress.

  8. Jets eliminated from playoff contention, extending NFL-worst ...

    www.aol.com/jets-eliminated-playoff-contention...

    The New York Jets have once again been eliminated from the NFL playoff picture, pushing their league-worst drought to 14 seasons.

  9. Where does the Canadian Pacific Holiday Train stop? See 2024 ...

    www.aol.com/where-does-canadian-pacific-holiday...

    The Canadian Pacific Holiday Train is bringing holiday joy between Nov. 22 to Dec. 17 through US states like New York, Michigan, Illinois and Texas.

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