What is the purpose of SET DBMSSERVER OUTPUT ON
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TO PRINT
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TO COPY
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TO CONVERT
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TO SEE THE RESULT OF PL/SQL PROGRAMS ON DISPLAY
SET SERVEROUTPUT ON is a SQL*Plus command that enables display of output from DBMS_OUTPUT.PUT_LINE calls in PL/SQL programs. Without it, the output buffer is not displayed even if the program executes successfully. Option D correctly describes this purpose, despite the typo (DBMSSERVER vs SERVER). Options A, B, C are not related to this command's function.
SET SERVEROUTPUT ON is a SQL*Plus/SQL Developer environment command that enables the client tool to display output generated by DBMS_OUTPUT.PUT_LINE calls inside PL/SQL blocks. Without it, PL/SQL programs can still buffer output internally, but nothing is shown on screen. It doesn't print, copy, or convert data on its own — it just turns on the display channel for PL/SQL's debug/output buffer.