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CREATE OR REPLACE VIEW ADMIN.TYPETREEVIEW
(ID, ITEMNO, ITEMNOSUB, GROUPID, MEMO,
TREE)
AS
/* 2007/01/23 16:51 XieShaoHua µÝ¹é²éѯ */
SELECT     typetree.ID, typetree.itemno, typetree.itemnosub, typetree.groupid,
           typetree.memo,
           RPAD ('¡¡', LEVEL * 3 - 2, '¡¡') || '©À' || typetree.memo AS tree
      from typetree
START WITH itemnosub = '0'
CONNECT BY PRIOR typetree.itemno = typetree.itemnosub;


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OracleÖеÄcovering index

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1: select f1, f2, f3, f4 from table where f1 = 'XX' and f2 = 'XX'. ......

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select tablespace_name,file_id,block_id,bytes,blocks from dba_free_space; 
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create table HWQY.TEST
(
CARNO     VARCHAR2(30),
CARINFOID NUMBER
)
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create or replace procedure pro_test
AS
carinfo_id number;
BEGIN
select s_CarInfoID.nextval into carinfo_id
from dual;
in ......
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