In fact, installing the client is to register the dynamic library that connects to oracle. Find out which dynamic libraries are ctl3d32.dll, msvcrt40.dll, ODBC 16GT. DLL, odbc32.dll, odbc32gt.dll, odbccp32.dll, odbccr32.dll and odbcint.dll, and then automatically register them in the installer! But it is best to install the client when developing, which is convenient for debugging.

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Please copy the following files to the directory where the running files are located.

First, ODBC dynamic library:

ctl3d32.dll msvcrt40.dll odbc 16gt . dll odbc32.dll odbc32gt.dll odbccp32.dll odbccr32.dll odbcint.dll

Secondly, create an additional subdirectory and copy the MSVCRT.DLL file into this subdirectory.

Extra \MSVCRT. DLL

Three. ORACLE dynamic libraries and configuration files

tnsnames . ora CORE35O.DLL NASNSNT.DLL NAUNTSNT.DLL NCRNT.DLL Nlnt.dll NLSRTL32.DLL Nnfdnt.dll NNFNNT.DLL NSNT . DLL NTNT . DLL NTTNT . DLL ciw 32 . DLL ora 73 . DLL otrace 73 . DLL sqlnet . ora sqltnsnt . DLL core 35 . DLL

Four. PB dynamic library

pbvm70.dll pbdwe70.dll Pbo7370.dll PBO8470.DLL pbodb70.dll libjcc.dll

This is a way to deal with pb and earlier versions of oracle.