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index_usage

Shows how often each index on a table is used.

Works in read modeTool sets: dba · full

You might ask

“Are the indexes on orders being used?”

Your assistant may call index_usage to answer.

How it works

  • Scan counts, size, type and definition for every index on the table, from pg_stat_user_indexes.

Parameters

tablestringrequired
Table as "schema.name" (e.g. "public.orders").

What your assistant reads

The description nexql-mcp sends with the tool. It's how the assistant decides when to use it.

Get index usage statistics (scan counts, size, definition, type) for a specific table's indexes. Useful for finding unused or missing indexes.