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SQL> col deptno format a10 heading "񅧏"
SQL> select * from dept;

±àºÅ ²¿ÃÅ LOC
---------- ---------- -------------
########## ACCOUNTING NEW YORK
########## RESEARCH DALLAS
########## SALES CHICAGO
########## OPERATIONS BOSTON

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col 񅧏 heading depton
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SQL code:

deptno ²¿ÃÅ LOC
---------- ---------- -------------
########## ACCOUNTING NEW YORK
########## RESEARCH DALLAS
########## SALES CHICAGO
########## OPERATIONS BOSTON


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SQL> col deptno format 9999999999999
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