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- Why 2 DLLs (COM DLL +
version DLL)? Why no just one monolithic DLL?
Splitting them into 2 DLLs eliminates the "DLL
Hell" issue and protects your product installation. If it were all in one DLL, another company's
product may use a different SQLitePlus COM DLL
version than yours. This would be a huge problem, since the COM DLL is compiled with a
specific version of the SQLite engine. If
another program installs a different version of the
COM DLL, it could break your program, or it may be a
SQLite version with a bug that affects your product
in an adverse way.
Does the SQLitePlus COM DLL
require any ODBC or OLEDB drivers (MDAC)? No. The only dependency it has is any of
the SQLite DLLs that ship with it, and possibly a Script
Engine DLL if you are using Stored Scripts (see below regarding
Stored Scripts). The COM DLL was
deliberately created to NOT be an OLEDB driver for the
purpose of NOT requiring MDAC to be installed, and for maximum performance
(lightning speed).
- Can I use SQLitePlus with
.NET?
Yes - .NET fully supports COM objects. However,
we now have a .NET version available, so you might want
to use it instead.
- Why should I use the
SQLitePlus COM DLL?
It provides a clean interface (no calling C sqlite_*
functions); no callbacks to code; no column parsing.
All of that is done for you so you can immediately begin
coding your application. If you are using VB or
.NET, SQLitePlus is the best option you have for
distributing your application and not needing to hassle
with also shipping and installing MDAC.
- Why should I buy the
Explorer
tool?
The SQLitePlus Database Explorer is required to be
able to create Stored Scripts and also to be able to use
the "database licensing" mechanism. Besides
this, it is invaluable for working out complex queries
and viewing your SQLite databases. Once you use
it, you will not want to give it up.
- Do I need to ship any
additional DLLs?
If you decide to use Stored Scripts in your
application, you should distribute the applicable script engine DLL
with your application. The fact is that the high
majority of Windows PCs will have both vbscript.dll and
jscript.dll on them, because they are installed with IE.
But to be sure you should distribute the script engine
DLL.
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