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  2. SQL syntax - Wikipedia

    en.wikipedia.org/wiki/SQL_syntax

    A query includes a list of columns to include in the final result, normally immediately following the SELECT keyword. An asterisk ("*") can be used to specify that the query should return all columns of the queried tables. SELECT is the most complex statement in SQL, with optional keywords and clauses that include:

  3. Set operations (SQL) - Wikipedia

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

    Set operations in SQL is a type of operations which allow the results of multiple queries to be combined into a single result set. [ 1 ] Set operators in SQL include UNION , INTERSECT , and EXCEPT , which mathematically correspond to the concepts of union , intersection and set difference .

  4. Select (SQL) - Wikipedia

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

    A query includes a list of columns to include in the final result, normally immediately following the SELECT keyword. An asterisk ("*") can be used to specify that the query should return all columns of all the queried tables. SELECT is the most complex statement in SQL, with optional keywords and clauses that include:

  5. Relational algebra - Wikipedia

    en.wikipedia.org/wiki/Relational_algebra

    Practical query languages have such facilities, e.g. the SQL SELECT allows arithmetic operations to define new columns in the result SELECT unit_price * quantity AS total_price FROM t, and a similar facility is provided more explicitly by Tutorial D's EXTEND keyword. [5] In database theory, this is called extended projection. [6]: 213

  6. NFL-Goodell says no change to NFL's relationship with Jay-Z ...

    www.aol.com/news/nfl-goodell-says-no-change...

    NFL Commissioner Roger Goodell on Wednesday said the league is aware of a lawsuit that accuses musician Jay-Z of rape but said it is not impacting the NFL's partnership with the rap mogul's Roc ...

  7. Join (SQL) - Wikipedia

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

    A join clause in the Structured Query Language combines columns from one or more tables into a new table. The operation corresponds to a join operation in relational algebra. Informally, a join stitches two tables and puts on the same row records with matching fields : INNER, LEFT OUTER, RIGHT OUTER, FULL OUTER and CROSS.

  8. Florida lawyer busted smuggling legal docs soaked in ‘K2 ...

    www.aol.com/high-court-lawyer-busted-smuggling...

    Now he’s gonna need a good lawyer.. A Florida defense lawyer was busted for allegedly smuggling legal documents soaked in the wild synthetic marijuana known as K2 into jail so inmates could get ...

  9. 'Everyone wants to be my friend': Takeaways from Trump's ...

    www.aol.com/news/everyone-wants-friend-takeaways...

    “The government knows what is happening,” Trump said of the drone sightings over many states, though he declined to say if he had been briefed by government officials on them.