What are different execution methods of executables?

FlexRpt                                   The execution file is wrnitten using the FlexReport API.

FlexSql                                   The execution file is written using the FlexSql API.

Host                                       The execution file is a host script.

Oracle Reports                        The execution file is an Oracle Reports file.

PL/SQL Stored Procedure       The execution file is a stored procedure.

SQL*Loader                            The execution file is a SQL script.

SQL*Plus                                The execution file is a SQL*Plus script.

SQL*Report                            The execution file is a SQL*Report script.

Spawned                                The execution file is a C or Pro*C program.

Immediate                               The execution file is a program written to run as a subroutine of the

concurrent manager. We recommend against defining new immediate concurrent programs, and suggest you use either a PL/SQL Stored Procedure or a Spawned C Program instead.