What you'll learn
This course will help you prepare for your PL/SQL certification by making you proficient with the exam objective of working with packages in PL/SQL. In this course, Oracle Database Program with PL/SQL Exam Number: 1Z0-149 - Working with Packages, you'll learn how to effectively use packages in your PL/SQL code. First, you'll look at how we can use package variables and constants in other programs and how we can use them to maintain the session state. Next, you'll see how we can use the package constants and functions in SQL. Finally, you'll explore the ACCESSIBLE BY clause which is used to restrict access to the package subprograms by other PL/SQL units. When you're finished with this course, you'll have a good knowledge of working with packages in Oracle PL/SQL, which should help you ace that section of the Oracle Database Program with PL/SQL exam number 1Z0-149.