Simple Excel upload to SQL

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Bids
71
Avg Bid (USD)
$325
Project Budget (USD)
$250 - $750

Project Description:
I need a simple Excel upload to existing SQL database page, which includes:
1. Simple upload Excel to SQL Page
2. Option 1: Overwrite all data of existing database
3. Option 2: Add only changed/new records to existing database
4. Option 3: Keep versions by saving only changed records to existing database
Please see the attached file for details.

Skills required:
C# Programming, MySQL, Software Architecture
Additional Files: upload_Excel.pptx
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