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userid="/ as sysdba"
directory=EXP_DIR
dumpfile=expdp_job.dmp
logfile=expdp_job.log
include=job
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set echo on
conn sm ---------->JOBËùÔÚµÄÓû§Ãû¡£
set serveroutput on;
declare
mycall varchar2(3000);
begin  
dbms_job.user_export(111, mycall);  111------>ΪJOBµÄID¡£
dbms_output.put_line(mycall);
end;
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v_aa varchar2(20);
v_bb varchar2(20);
va_aa varchar2(20);
va_bb varchar2(20);
va_number_aa number;
message varchar2(60);
CURSOR aas is
SELECT DISTINCT aa.aa, aa.bb from aa;
CURSOR aaas is
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