Follow my system infomation:
PL/SQL Developer
Version 6.0.5.926 (MBCS)
18253.6320 - Unlimited user license
Windows 2000 version 5.0 (build 2195) Service Pack 4
Physical memory : 1,047,788 kB (727,548 available)
Paging file : 2,522,040 kB (2,199,072 available)
Virtual memory : 2,097,024 kB (2,015,036 available)
Parameters
D:\Program Files\PLSQL Developer\plsqldev.exe
Preferences
Session mode: Multi
OCI Library:
Use OCI7: False
Plug-Ins
Aliases
227
228
CDMA
CDMA_TEST
CDMA2
...
Homes
OraHome92 (d:\oracle\ora92)
DLLs
d:\oracle\ora92\bin\oci.dll
TNS File
d:\oracle\ora92\Network\Admin\tnsnames.ora
Using
Home: OraHome92
DLL: d:\oracle\ora92\bin\oci.dll
OCI: version 9.2
Oracle9i Enterprise Edition Release 9.2.0.1.0
Character size: 2 byte(s)