Chapter 14Formatting Readable

Output

Basic Report Creation in SQL*Plus Enter format for the report Enter a query to retrieve data

COLUMN Command

Formats both column heading and data displayed in column

COLUMN Command Options

FORMAT Option

Specifies format model for the data

FORMAT Example

HEADING Option

Specifies a column heading

Output with HEADING Option

SET Command

SET command used to change the UNDERLINE variable

Assign blank space to add separator with FORMAT option of COLUMN command

Modified Report

NULL Option

Provides substitute for NULL values

Report Headers and Footers

Header– Appears at top of reports– Created with TTITLE command

Footer– Appears at bottom of reports– Created with BTITLE command

TTITLE and BTITLE Options

SQL*Plus Variables

BREAK Command

Suppresses duplicate data Allows blank lines after groups

BREAK Command Example

CLEAR Command

Used to clear settings applied to the BREAK and COLUMN commands

COMPUTE Command

Can include AVG, SUM, COUNT, MAX, or MIN keywords

COMPUTE Command Example

SPOOL Command

Saves results to text file

SPOOL Command Example