Query Parquet files and their metadataSQL

-- listing files
FROM glob('dataset/*');

-- reading from files
FROM 'dataset/*.parquet' LIMIT 100; 

-- reading parquet files metadata (min_value, max_value, null_count for each field in each file)
FROM parquet_metadata('dataset/*.parquet');

-- convert files or export tables to parquet
COPY (FROM tbl) TO 'file.parquet' (FORMAT 'parquet');
COPY 'data.csv' TO 'data.paruqet' (FORMAT 'parquet');
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