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SQL> create table temp
2 ( tempid number
3 );
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SQL> insert into temp(tempid)
2 values('111111111111111111111111111');
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SQL> select *
2 from temp;
TEMPID
----------
1.1111E+26
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SQL> set numformat 9999999999999999999999.999999999999999999;
SQL> select *
2 from temp;
TEMPID
------------------------------------------
##########################################
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SQL> set numf 9.9999EEEE
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set numformat 9999999999999999999999.999999999999999999;
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