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TNS-12518: TNS:listener could not hand off client connection
TNS-12560: TNS:protocol adapter error
TNS-00530: Protocol adapter error
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goodsid varchar(15),
incount int,
providerid varchar(10)
)not final;
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1. Which statements are true? (Choose all that apply.)
A. The data dictionary is created and maintained by the database administrator.
B. The data dictionary views can consist of joins of dictiona ......
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select t.id ,t.code, t.name ,t.pid
,SYS_CONNECT_BY_PATH(t.id,'.')||'.' as IdPath
from tas_catalog t
--where id!=110
start with id=110
connect by pid = prior id
order siblings by id
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OracleTransaction myTrans ;
conn.Open();
myTrans =conn.BeginTransaction(IsolationLevel.ReadCommitted) ......