Global Variable in PL/SQL .
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Non-Across Sessions
- create or replace package test_pkg
- as
- global_var number :=1;
- constant_var CONSTANT NUMBER := 2;
- end;
create or replace package test_pkgas global_var number :=1; constant_var CONSTANT NUMBER := 2;end;
Across Sessions
- create table global_value ( x int );
- insert into global_value values ( 0 );
- create or replace package get_global
- as
- function val return number;
- procedure set_val( p_x in number );
- end;
- /
- create or replace package body get_global
- as
- function val return number
- as
- l_x number;
- begin
- select x into l_x from global;
- return l_x;
- end;
- procedure set_val( p_x in number )
- as
- pragma autonomous_transaction;
- begin
- update global set x = p_x;
- commit;
- end;
- end;
- /
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