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Documentation
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/ File Formats
CSV Export
To export the data from a table to a CSV file, use the COPY statement:
COPY tbl TO 'output.csv' (HEADER, DELIMITER ',');
The result of queries can also be directly exported to a CSV file:
COPY (SELECT * FROM tbl) TO 'output.csv' (HEADER, DELIMITER ',');
For additional options, see the COPY statement documentation.