[Additional] Reading material for 1z0-061 Oracle Database 12c SQL Fundamentals test.
Chapter 5: Using Joins and Subqueries explains how data from multiple tables can be related via joins, subquries. and by using SET operators.
- 7 Displaying Data from Multiple Tables Using Joins
- 7.1 Write SELECT statements to access data from more than one table using equijoins and nonequijoins
- 7.2 Join a table to itself by using a self-join
- 7.3 View data that generally does not meet a join condition by using OUTER joins
- 7.4 Generate a Cartesian product of all rows from two or more tables
- 8 Using Subqueries to Solve Queries
- 8.1 Define subqueries
- 8.2 Describe the types of problems that the subqueries can solve
- 8.3 Describe the types of subqueries
- 8.4 Write single-row and multiple-row subqueries
- 8.5 Using the SET operators
- 8.6 Describe set operators
- 8.7 Use a set operator to combine multiple queries into a single query
- 8.8 Control the order of rows returned
Reading Material
1Z0-061 Objectives List
Oracle Database 12c OCA Certification