Using SQL *Plus to Create Report and Manage Pl/SQL code

SQL*Plus is an environment in which you can
Execute SQL statements to retrieve, modify, add, and remove data from database tables.
Format, perform calculations on, store, and print query results in the form of reports.
Issue SQL statements to create, alter, and remove database tables.
Create anonymous blocks, subprograms, database triggers using procedural language extension, PL/SQL. SQL*Plus has a variety of commands you need to use to execute subprograms, pass values in and out of PL/SQL blocks, and debug your code. SQL*Plus commands may be divided into the following main categories....