Oracle Database 12c R2 SQL: Using Subqueries to Solve Queries

Oracle SQL 12c    |    Beginner
  • 11 Videos | 1h 22m 46s
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Subqueries are very useful when you need to select rows from a table with a condition that depends on the data in the table itself. Explore the types, syntax, and guidelines for using subqueries in Oracle.

WHAT YOU WILL LEARN

  • use a subquery to solve a problem in a SQL statement
    using group functions and the HAVING clause in a subquery
    use the IN, ANY, and ALL operators in multiple-row subqueries in a SQL statement
    "use a multiple-column subquery to return more than one column to the outer query in a SQL statement "
    use the EXISTS and NOT EXISTS operators
    use the WITH clause
  • use correlated UPDATE subqueries
    use correlated DELETE subqueries
    use the WITH CHECK OPTION
    demonstrate the use of NULL values in a subquery and use the NOT IN operator in a SQL statement
    manipulate data using subqueries

IN THIS COURSE

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