Gives you access to assistance on all SQL statements, components,
    and concepts.

1  –  Environment

    You can issue the HELP statement only in interactive SQL.

2  –  Format

  HELP  --+--------------------+-->
          +->  help-topic  ----+

3  –  Arguments

3.1  –  topic

    The SQL statement or concept on which you need help.

4  –  Example

    Example 1: Obtaining online Help in SQL

    SQL> HELP SELECT