PL/SQL Constant

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PL/SQL Constant

AConstant is an identifier which holds data whose value can not be changed at the execution time of program.

Constant declaration


constant_name Constant datatype := value;
  • constant_name is the name of the constant it means similar to a variable name.
  • The word Constant is a reserved word and that value does not change.
  • value: value is assigned to constant when it is declared.


 salary_bonus constant number(4); 
 salary_bonus := 2000; 
 dbms_output.put_line (salary_bonus); 

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