24.4. SQL*Plus
SQL*Plus is the interactive (low-level) user interface to the Oracle database management system. Typically, SQL*Plus is used to issue ad-hoc queries and to view the query result on the screen.
24.4.1. Features of SQL*Plus
A built-in command line editor can be used to edit (incorrect) SQL queries. Instead of this line editor any editor installed on the computer can be invoked.
There are numerous commands to format the output of a query.
SQL*Plus provides an online-help.
Query results can be stored in .les which then can be printed. Queries that are frequently issued can be saved to a .le and invoked later. Queries can be parameterised such that it is possible to invoke a saved query with a parameter.
24.4.2. Invoking SQL*Plus
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