Microsoft ADO.NET 与 Oracle ODP.NET

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Microsoft (OracleType) - ODP.NET (OracleDbType) 类型参照

Oracle Data TypeODP.NET (OracleDbType)Microsoft (OracleType)BFILEBFileBFileBLOBBlobBlobbyteByteByteCHARCharCharCLOBClobClobDATEDateDateTime8-byte FLOATDoubleDouble¹2-byte INTEGERInt16Int164-byte INTEGERInt32Int328-byte INTEGERInt64N/AINTERVAL DAY TO SECONDIntervalDSIntervalDayToSecondINTERVAL YEAR TO MONTHIntervalYMIntervalYearToMonthLONGLongLongVarCharLONG RAWLongRawLongRawNCHARNCharNCharNCLOBNClobNClobNUMBERDecimalNumberNVARCHAR2NVarchar2NVarCharRAWRawRawREF CURSORRefCursorCursorROWIDN/ARowId4-byte FLOATSingleFloat¹TIMESTAMPTimeStampTimestampTIMESTAMP WITH LOCAL TIME ZONETimeStampLTZTimestampLocalTIMESTAMP WITH TIME ZONETimeStampTZTimestampWithTZVARCHAR2Varchar2VarChar SByte¹ UInt16¹ UInt32¹

详情见：http://msdn.microsoft.com/en-us/library/ms971518.aspx

oracle odp.net 32位/64位版本的问题及下载地址：http://www.cnblogs.com/yjmyzz/archive/2011/04/19/2020793.html