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oracle Function


5.µ÷Óú¯ÊýFN_ADDONE
--------------------
SQL> SET SERVEROUTPUT ON
SQL> DECLARE CNUM NUMBER;
  2  BEGIN
  3     CNUM := USER1_ADB.FN_ADDONE(3);
  4     DBMS_OUTPUT.PUT_LINE('CNUM = ' || CNUM);
  5  END;
  6  /
CNUM = 4
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6.ɾ³ýº¯ÊýFN_ADDONE
--------------------
SQL> DROP FUNCTION USER1_ADB.FN_ADDONE;


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create or replace package pkg_pv is
¡¡¡¡procedure set_pv(pv varchar2);
¡¡¡¡function get_pv return varchar2;
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¡¡¡¡v varchar2(20);
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select column_name from all_cons_columns cc
where owner='SSH'  --SSHΪÓû§Ãû³Æ£¬Òª×¢Òâ´óСд
and table_name='SYS_DEPT' --SYS_DEPTΪ±íÃû£¬×¢Òâ´óСд
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oracle instr


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SQL> select
instr('yuechaotianyuechao','ao') position from dual;
 
  POSITION
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