What is SQL Plus?
Here is the answer,
*PLUS is a command line tool where as SQL and PL/SQL language interface and reporting tool. Its a command line tool that allows user to type SQL commands to be executed directly against an Oracle database. SQL is a language used to query the relational database(DML,DCL,DDL). SQL
*PLUS commands are used to format query result, Set options, Edit SQL commands and PL/SQL.