Working with SET Operators

Oracle 12c
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SET operators allow you to combine the results of two queries into one. Learn how to use SET operators and match SELECT statements in Oracle Database 12c.

WHAT YOU WILL LEARN

  • describe the types of set operators and their associated guidelines
    recognize how the Oracle Server manages set operators
    use UNION and UNION ALL operators returns all rows in a SQL statement
    use the INTERSECT operator to return all rows that are common to multiple queries  in a SQL statement
  • use the MINUS operator to return all distinct rows selected by the first query in a SQL statement
    describe how the expressions in the SELECT lists of the queries must match in number in a SQL statement
    use the ORDER BY clause in set operations in a SQL statement
    write reports requested by the HR department using the SET operators

IN THIS COURSE

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