What you'll learn

Writing high-performing database code is one of the key ingredients to maintain and improve customer satisfaction. In this course, Writing Executable Statements, you’ll learn to apply the guidelines and recommendations offered by Oracle in structuring your PL/SQL program and writing maintainable code. First, you’ll explore the lexical units that make up a PL/SQL program. Next, you’ll discover the operator precedence in building expressions using built-in functions. Finally, you’ll learn how to write nested blocks and understand the scope and visibility of the variables. When you’re finished with this course, you’ll have the skills and knowledge of writing an effective PL/SQL program needed to create a fast performing backend.