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Oracle® Database SQL Reference 10g Release 2 (10.2) Part Number B14200-02 |
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# 9 SQL Queries and Subqueries

This chapter describes SQL queries and subqueries.

This chapter contains these sections:

- About Queries and Subqueries

- Creating Simple Queries

- Hierarchical Queries

- The UNION [ALL], INTERSECT, MINUS Operators

- Sorting Query Results

- Joins

- Using Subqueries

- Unnesting of Nested Subqueries

- Selecting from the DUAL Table

- Distributed Queries