Database Index Performance Visualizer

See how indexes improve query performance

Table Size: 1000 rows

Without Index (Full Table Scan)

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Rows scanned: -

With Index (B-Tree Lookup)

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Rows scanned: -

How Indexes Work

Without Index: Database must scan every row (O(n))

With Index: Uses B-tree structure for fast lookup (O(log n))

As table size grows, indexes provide exponentially better performance!