Safari Books Online is a digital library providing on-demand subscription access to thousands of learning resources.
Certain identifiers or words are critical to building programming languages. PL/SQL divides these critical words into two groups: reserved words and keywords. They are listed in the data dictionary with each release, and can be found in the V$RESERVED_WORDS view.
Lexical symbols are also listed as reserved words in the view. They are covered in Chapter 3 and are not part of this appendix.