Introduction to Oracle9i: SQL (10)

Producing readable output with iSQL *Plus
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• iSQL*Plus commands can be abbreviated. Like DESCRIBE as DESC. iSQL*Plus is the ORACLE proprietary interface for executing SQL statement.
• SQL statements manipulate data and table definitions in the database.
• If you set Environment Variables in LOGIN.SQL file, every time you login, this file runs automatically.
• Ttitle, connect, define, undefined, prompt are iSQL plus commands.
• START dela
  It runs the DELA.SQL script file.
• SQL*Plus DEL command deletes the current line from the buffer. And DEL 4 5 command deletes lines 4 & 5 of the buffer.
• Using REM, /**/, - -.