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dbms_output.put_line

dbms_output.put_line

Definition of dbms_output.put_line

• It works in the oracle database package to write data or information for flat files.
• It is a procedure to direct PL/SQL database output in a screen.
• The put_line is function includes in the dbms_output package of the oracle database to contain information.
• It is a database function that works for removing extra space before and after lines.
• It enables the package of the dbms_output and uses the put_line function to send a message using triggers, stored procedures.
• It is a database procedure to display as well as debug information in PL/SQL program.
• It is the oracle package function to insert information and display it on the screen using a buffer.

What is dbms_output.put_line?

• It is oracle database packages uses to contain information and display the required message in the code.

• The put_line is the most useful function to enable the package for the write data in the program.

• It is an oracle database function used in the package for writing and displaying information on the output screen.

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• The put_line function uses a maximum of 32,767 bytes lines. If you want to extend line size then the database package shows ORA-20000 and ORU-10027 errors.

• It uses an unlimited size of buffer but the database uses 20000 bytes size of the buffer.

• Syntax is shown below.

BEGIN
DBMS_OUTPUT.PUT_LINE('write data or message here…');
END;

Description:

  • The function works with the oracle package.
  • The BEGIN and END blocks use to contain functions.
  • The BEGIN is part of a block uses at the start of the database program.
  • The END which is part of a block uses at the end of the database program.

How does dbms_output.put_line work?

Simple function with block.

  • Use BEGIN and END blocks for the dbms_output.put_line function.
  • Use database function with its data.

BEGIN dbms_output.put_line('learn database tutorial'); END;

Basic dbms_output.put_line working procedure in the database.

  • Set the “SERVEROUTPUT” function at the starting point.

SET SERVEROUTPUT ON;

  • Use BEGIN and END blocks function.

BEGIN
Write database function with a message.
END;

  • Use single function with its data.

dbms_output.put_line('learn database tutorial');

  • Use dbms_output.put_line function with the message.

SET SERVEROUTPUT ON ;
BEGIN dbms_output.put_line ('learn database tutorial');
END ;

• Multiple dbms_output.put_line working procedure in the database.

  • Use BEGIN and END blocks for the function.

BEGIN [Write database function with message;] END;

  • Use multiple functions with their data.

dbms_output.put_line ('learn database tutorial');

  • Use dbms_output.put_line function with the message.

dbms_output.put_line('learn database tutorial');
dbms_output.put_line ('learn programming tutorial');
dbms_output.put_line ('learn web developer tutorial');
dbms_output.put_line ('learn machine learning tutorial');

  • Program for dbms_output.put_line in the database.

Declare the objects of the variable and function.

DECLARE

o Create variables in the SQL program.

line_arr dbms_output.chararr;
number_line number;

o Use BEGIN keyword for the starting point of the dbms_output package.

o Enable dbms_output package.

o Use function with the message.

dbms_output.put_line ('learn database tutorial');
dbms_output.put_line ('learn programming tutorial');

  • Use for loop for dbms_output.put_line function.

number_line := 2;
dbms_output.get_lines(line_arr, number_line);
FOR b IN 1. .number_line LOOP
dbms_output.put_line (line_arr(b));
END LOOP;

  • Use the “END” keyword at the point of the dbms_output package.
  • Combine working procedure of the dbms_output.put_line function.

DECLARE
line_arr dbms_output.chararr;
number_line number;
BEGIN
DBMS_OUTPUT .ENABLE;
dbms_output.put_line ('learn database tutorial');
dbms_output.put_line ('learn programming tutorial');
number_line := 2;
dbms_output.get_lines(line_arr, number_line);
FOR b IN 1. .number_line LOOP
dbms_output.put_line (line_arr(b));
END LOOP;
END;

Examples

Example #1: the simple dbms_output.put_line function example and output.

BEGIN
dbms_output.put_line('learn database tutorial');
END;

Output:

dbms_output.put_line - 1

Description:

  • The begin and end block is necessary for the function.
  • This function uses in the SQL database.
  • This program uses as a command in the interface.

Example #2: the basics dbms_output.put_line function example and output.

SET SERVEROUTPUT ON;
BEGIN
dbms_output.put_line('learn database tutorial');
END;

Output:

dbms_output.put_line-2

Description:

  • The “begin and end” block necessary for the function.
  • Sometimes database interface does not run the function.
  • You need to set the serveroutput function or use the “set serveroutput on” function.

Example #3: The multiple dbms_output.put_line functions example and output

BEGIN
dbms_output.put_line('learn database tutorial');
dbms_output.put_line ('learn programming tutorial');
dbms_output.put_line ('learn web developer tutorial');
dbms_output.put_line ('learn machine learning tutorial');
END ;

Output:

dbms_output.put_line - 3

Description

  • The dbms_output.put_line uses multiple times in a single block.
  • You can use this function for different messages and data of the program.

Example #4: the basics dbms_output.put_line functions with loop example and output.

DECLARE
line_arr dbms_output.chararr;
number_line number;
BEGIN
DBMS_OUTPUT .ENABLE;
dbms_output.put_line ('learn database tutorial');
dbms_output.put_line ('learn programming tutorial');
number_line := 2;
dbms_output.get_lines(line_arr, number_line);
FOR b IN 1. .number_line LOOP
dbms_output.put_line (line_arr(b));
END LOOP;
END;

Output:

c

Description

  • This function uses several times in a single block.
  • This function displays using for loop and variable.
  • The “declare” statement uses to create a different variable with its data types.
  • This loop displays multiple put_line function messages.

Example #5: The simple functions with stored procedure example and output.

Write the following code for the summation of the two numbers.

CREATE OR REPLACE PROCEDURE addition_number
(number1 NUMBER, number2 NUMBER) AS
summations NUMBER;
BEGIN
summations = number1 +number2;
dbms_output.put_line ('The summation of two numbers is ' || summations);
END;
o After database coding, you can write or enter the required numbers.
CALL addition_number (6, 8);

Output:

4

Description

  • The database creates variables and methods.
  • This method uses to enter the required value of the data.
  • The variable uses to operate programs and execute data.
  • The block contains function and its operations.
  • The declared statement uses to create a different variable with its data types.
  • This loop displays multiple put_line function messages.

Conclusion

The dbms_output.put_line function helps to handle and maintain programs and operations. It is a functional procedure of a database package to operate a complicated database. It creates a user-friendly application to handle data and execute programs. It uses a lightweight, elegant and attractive user-friendly application.

Recommended Articles

This is a guide to dbms_output.put_line. Here we discuss the definition, What is dbms_output.put_line, How does work dbms_output.put_line? for better understanding. You may also have a look at the following articles to learn more –

  1. DBMS Transaction Processing
  2. States of Transaction in DBMS
  3. DBMS Components
  4. DBMS_LOB
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