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  2. Window function (SQL) - Wikipedia

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

    In SQL, a window function or analytic function [1] is a function which uses values from one or multiple rows to return a value for each row. (This contrasts with an aggregate function, which returns a single value for multiple rows.) Window functions have an OVER clause; any function without an OVER clause is not a window function, but rather ...

  3. Virtual column - Wikipedia

    en.wikipedia.org/wiki/Virtual_column

    In relational databases a virtual column is a table column whose value(s) is automatically computed using other columns values, or another deterministic expression. Virtual columns are defined of SQL:2003 as Generated Column, [1] and are only implemented by some DBMSs, like MariaDB, SQL Server, Oracle, PostgreSQL, SQLite and Firebird (database server) (COMPUTED BY syntax).

  4. Correlated subquery - Wikipedia

    en.wikipedia.org/wiki/Correlated_subquery

    In a SQL database query, a correlated subquery (also known as a synchronized subquery) is a subquery (a query nested inside another query) that uses values from the outer query. This can have major impact on performance because the correlated subquery might get recomputed every time for each row of the outer query is processed.

  5. Select (SQL) - Wikipedia

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

    SELECT list is the list of columns or SQL expressions to be returned by the query. This is approximately the relational algebra projection operation. AS optionally provides an alias for each column or expression in the SELECT list. This is the relational algebra rename operation. FROM specifies from which table to get the data. [3]

  6. SQL - Wikipedia

    en.wikipedia.org/wiki/SQL

    SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...

  7. Supreme Court stays out of Peter Navarro's fight to keep ...

    www.aol.com/news/supreme-court-stays-peter...

    WASHINGTON -- The Supreme Court won’t get involved in Trump advisor Peter Navarro’s fight to keep his emails from his tenure during the first Trump administration. The court on Monday declined ...

  8. What is a fair-catch kick? Chargers' Cameron Dicker converts ...

    www.aol.com/sports/fair-catch-kick-chargers...

    If the kick goes through the goalposts on the scoring end of the field, it's worth three points — as many as a field goal. On a fair-catch kick, the ball does not have to be snapped, and the ...

  9. Comedy of errors dooms Raiders vs. Steelers in QB Aidan O ...

    www.aol.com/sports/comedy-errors-dooms-raiders...

    New quarterback. Same Las Vegas Raiders. The first week of the new Aidan O'Connell era started Sunday, a week after Raiders head coach Antonio Pierce benched starting quarterback Gardner Minshew II.