1-6. Displaying Results in SQL*Plus
Problem
You want to display query results at the SQL*Plus prompt.
Solution
Use the DBMS_OUTPUT package to assist in displaying query results or lines of text. The following example depicts both of these use cases:
DECLARE
first VARCHAR2(20);
last VARCHAR2(25);
BEGIN
SELECT first_name, last_name
INTO first, last
FROM employees
WHERE email = 'VJONES';
DBMS_OUTPUT.PUT_LINE('The following employee matches your query:');
DBMS_OUTPUT.PUT_LINE(first || ' ' || last);
END;
The previous example uses DBMS_OUTPUT.PUT_LINE to print a line of text as well as the values of the variables first and last.
How It Works
The DBMS_OUTPUT package contains several useful procedures. ...
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