How To Change SQL*Plus System Settings in Oracle?

SQL*Plus environment is controlled a big list of SQL*Plus system settings. You can change them by using the SET command as shown in the following list:

• SET AUTOCOMMIT OFF - Turns off the auto-commit feature.
• SET FEEDBACK OFF - Stops displaying the "27 rows selected." message at the end of the query output.
• SET HEADING OFF - Stops displaying the header line of the query output.
• SET LINESIZE 256 - Sets the number of characters per line when displaying the query output.
• SET NEWPAGE 2 - Sets 2 blank lines to be displayed on each page of the query output.
• SET NEWPAGE NONE - Sets for no blank lines to be displayed on each page of the query output.
• SET NULL 'null' - Asks SQL*Plus to display 'null' for columns that have null values in the query output.
• SET PAGESIZE 60 - Sets the number of lines per page when displaying the query output.
• SET TIMING ON - Asks SQL*Plus to display the command execution timing data.
• SET WRAP OFF - Turns off the wrapping feature when displaying query output.

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