Well, you need to start out by breaking your job down into smaller and smaller parts. Once you get them down small enough, each one will be a simple little problem to solve. Off the bat, you might want to start with a list like this:
- Connect to the DB
- Find each of the 3000 files.
For each file:
- Open the file
- Parse the file
- Insert a record
- Update some counter/stats
- Close the file
It seems like your question is really 'How do I program' more than anything. And, that's such a big topic, that in a way it's harder to answer than 'I asked FunctionX for a result and I got Y instead of Z' type question.
So, just take a deep breath, break it down into teeny-tiny parts, and post specific questions.
Good luck.
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