declare varchar2 variables : VARCHAR2 « Data Type « Oracle PL / SQL

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Oracle PL / SQL » Data Type » VARCHAR2

declare varchar2 variables


    

SQL>

SQL>

SQL>  declare

  2      l_value1 varchar2(100);

  3      l_value2 varchar2(100) := '';

  4      l_value3 varchar2(100) := null;

  5      l_value4 varchar2(100) default null;

  6    begin

  7      null;

  8    end;

  9    /



PL/SQL procedure successfully completed.



SQL>

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