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create PROCEDURE pagelist
@tablename nvarchar(50),
@fieldname nvarchar(50)='*',
@pagesize int output,--ÿҳÏÔʾ¼Ç¼ÌõÊý
@currentpage int output,--µÚ¼¸Ò³
@orderid nvarchar(50),--Ö÷¼üÅÅÐò
@sort int,--ÅÅÐò·½Ê½£¬1±íʾÉýÐò£¬0±íʾ½µÐòÅÅÁÐ
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declare
identity :=0;
a varchar2(59,0);
b varchar2(50):='abc';
a :='cba';
-- ¿ØÖÆÓï¾ä
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if a>b then
  ......
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#listener command
COMM_LISTENER=/opt/oracle/product/10.2.0/db_1/bin/lsnrctl
L ......