A SQL script is a set of SQL commands saved as a file in SQL Scripts. A SQL script can contain one or more SQL statements or PL/SQL blocks. You can use SQL Scripts to create, edit, view, run, and delete database objects.
When using SQL Scripts, remember the following:
SQL*Plus commands in a SQL script are ignored at runtime.
There is no interaction between SQL Commands and SQL Scripts.
You can cut and paste a SQL command from the SQL Script editor to run it in SQL Commands.
SQL Scripts does not support bind variables.
" Using SQL Scripts ", " Using SQL Commands " and "About Long Operations"