Question: Match each phrase with the correct term. Question Options: Relational Algebra operator that retrieves a vertical [column(s)] subset from a relational database table. A. PROJECT

Match each phrase with the correct term.
  • Question Options:

    Relational Algebra operator that retrieves a vertical [column(s)] subset from a relational database table.
    A.

    PROJECT

    Relational Algebra operator that retrieves a horizontal [row(s)] subset from a relational database table.
    B.

    SELECT

    Relational Algebra operator needed to combine two tables together in a query.
    C.

    JOIN

    Standard format for an SQL query statement. D.
    SELECT Field name(s) or *

    FROM tablename(s)

    WHERE criteria;

    Component of an SQL statement that accomplishes a relational algebra SELECT operation.
    E.

    WHERE clause

    Component of an SQL statement that accomplishes a relational algebra PROJECT operation.
    F.

    SELECT Field name(s) or *

    FROM tablename(s)

    WHERE criteria;

    Component of an SQL statement that accomplishes a relational algebra JOIN operation.
    G.

    FROM tablename1, tablename2

    WHERE tablename1.fieldname = tablename2.fieldname

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