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export ORACLE_BASE=/u01/app/oracle
export ORACLE_HOME=$ORACLE_BASE/product/8.1.7
export PATH=$PATH/ORACLE_HOME/bin
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/usr/lib
export ORACLE_SID=cams
export ORACLE_TERM=vt100
export ORA_NLS33=$ORACLE_HOME/ocommon/nls/admin/data
export NLS_LANG=AMERICAN.ZHS16CGB231280
& ˵Ã÷
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http://database.51cto.com/art/201004/196494.htm
http://database.51cto.com
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INTERVAL YEAR TO MONTHÊý¾ÝÀàÐÍ
OracleÓï·¨:
INTERVAL 'integer [- integer]' {YEAR | MONTH} [(precision)][TO {YEAR | MONTH}]
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eg:
INTERVAL '123-2' YEAR(3) TO MONTH & ......
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CREATE OR REPLACE TYPE AddressType AS OBJECT
(
Country varchar2(15),
City varchar2(20),
Street varchar2(30)
);
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CREATE OR REPLACE TYPE SuperStarType AS OBJECT
(
StarName varchar2(30),
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