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I have 3 excel spreadsheets that, combined, contain about 2.75 million rows and 30 columns of data. The spreadsheet is structured in rows and columns as follows: [obscured] /nicholas_j_wagoner/2011/01/sample-db.html.
TRANSFER ROWS & COLUMNS OF DATA TO THE WEB:
I would like to combine my 3 spreadsheets into a single, online table that functions like an excel spreadsheet (i.e., it must allow users to filter the columns, calculate averages, search text, create charts and graphs, etc.). For example, "Show me only rows where <OfficeType>=<Alexandria>." or "What is the average amount in the 'demand' column where <Nature_of_SuitType>=<890>?".
PERFORMANCE OF ONLINE TABLE:
The online table should be fast and smooth (unlike the example spreadsheet linked above, which is slow and cumbersome).
GRAPHICAL USER INTERFACE:
I am not familiar with SQL or any other programming language, so the database's user interface should resembl...
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