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DuckDB 2.0 ドキュメント 全文検索
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- Summarize 9414
- The SUMMARIZE command can be used to easily compute a number of aggregates over a table or a query. The SUMMARIZE command launches a query that computes a number of aggregates over all columns ( min , max , approx_unique , avg , std , q25 ,
...urn these along the column name, column type, and the percentage of NULL values in the column. Note that the quantiles and percentiles are approximate values . Usage To summarize the contents of a table, use SUMMARIZE followed by the table name. SUMMARIZE t... - https://man.mtool.work/duckdb/2.0/guides/meta/summarize.html
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