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Finance / data operations · Excel → database

From a fragile spreadsheet to a database that scales

Moving a fast-growing operation off a 96k-row Excel file onto a real database.

96,454
rows the file had outgrown
~3,000/day
new rows it kept adding
~45s → ~2s
report recalc time(approx.)

The problem

A fast-growing operation ran on a single Excel file that had reached 96,454 rows and was adding roughly 3,000 more every day. Recalculation had slowed to a crawl, the file was becoming unstable, and it had clearly outgrown what a spreadsheet can safely handle.

What we built

We re-engineered the formula and processing logic for speed, then moved the data into a proper database structure — so it keeps growing without the slowdowns, the instability, or the risk of everything living in one fragile file.

The result

Reports that used to take around 45 seconds to recalculate now return in roughly 2 seconds, and the business has a foundation that scales with its daily growth instead of fighting it.

Industry example. Figures marked “approx.” are typical/representative, not a guarantee.

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Case Study: A Fragile Spreadsheet Rebuilt as a Database That Scales — YittBox