1. What is the different between Microsoft ODBC Driver and Oracle OBDC Driver?
Microsoft ODBC driver will support all the methods and properties of Visual Basic. Where as the Oracle not.

2. What is Static Variable?
Its Scope will be available through out the life time.

3. What is Implicit?
Instance of specific copy of a class with its own settings for the properties defined in that class.
Note: The implicitly defined variable is never equal to nothing.

4. What is diff between the Generic Variable and Specific Variable?
Generic Variable:
Create Object Ex:-Ole-Automation . No need refer the object library.
Specific Variable:
Binding Procedure Early and Late Binding ( Can be Remove from the Memory).

5. How to declare Dll Procedure?
Declare function  lib
Alias  (Arg, ..) as Return type.

6. What are the Technologies for Accessing Database from Visual Basic?set?
DAO, Data Control, RDO, ODBCDIRECT, ADO, ODBC API , 0040.

7. How many procedures are in VB?
function and sub procedures

8. What is the tool used to configure the port range and protocols for DCOM communications?
DCOMCONFIG.EXE

9. Under the ADO Command Object, what collection is responsible for input to stored procedures?
The Parameters collection.

10. What is Centralization Error Handling?
Writing function and calling it when error occurs.