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Combining Schemas – DuckDB 11705: This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview ... he second column in each file, etc. For example, consider the following two files. flights1.csv : FlightDate|UniqueCarrier|OriginCityName|DestCityName 1988-01-01|AA|New York, NY|Los Angeles, CA 1988-01-02|AA|New York, NY|Los Angeles, CA flights2.csv : FlightDa ... te|UniqueCarrier|OriginCityName|DestCityName 1988-01-03|AA|New York, NY|Los Angeles, CA Reading the two files at the same time will produce the following ... result set: FlightDate UniqueCarrier OriginCityName DestCityName 1988-01-01 AA New York, NY Los Angeles, CA 1988-01-02 AA New York, NY Los Angeles, CA 1988-01-03 AA New York, ...; https://man.mtool.work/duckdb/1.3/data/multiple_files/combining_schemas.html

CSV Import – DuckDB 10337: This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview ... ead_csv ( 'flights.csv' , delim = '|' , header = true , columns = { 'FlightDate' : 'DATE' , 'UniqueCarrier' : 'VARCHAR' , 'OriginCityName' : 'VARCHAR' , 'DestCityName' : 'VARCHAR' }); Read a CSV from stdin, auto-infer options: cat flights.csv | duckdb -c "SELE ... FROM read_csv('/dev/stdin')" Read a CSV file into a table: CREATE TABLE ontime ( FlightDate DATE , UniqueCarrier VARCHAR , OriginCityName VARCHAR , DestCityName VARCHAR ); COPY ontime FROM 'flights.csv' ; Alternatively, create a table without specifying the sc ... 1, column2, ... . An example with the flights.csv file: SELECT * FROM read_csv ( 'flights.csv' ); FlightDate UniqueCarrier OriginCityName DestCityName 1988-01-01 AA New York, NY Los Angeles, CA 1988-01-02 AA New York, NY Los Angeles, CA 1988-01-03 AA New York, ...; https://man.mtool.work/duckdb/1.3/data/csv/overview.html

Reading Multiple Files – DuckDB 7507: This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview ... example: SELECT * FROM read_csv ([ 'flights1.csv' , 'flights2.csv' ], union_by_name = true , filename = true ); FlightDate OriginCityName DestCityName UniqueCarrier filename 1988-01-01 New York, NY Los Angeles, CA NULL flights1.csv 1988-01-02 New York, NY Los ...; https://man.mtool.work/duckdb/1.3/data/multiple_files/overview.html

CSV Auto Detection – DuckDB 7397: This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview ... ues delim , | ; \t quote " ' (empty) escape " ' \ (empty) Consider the example file flights.csv : FlightDate|UniqueCarrier|OriginCityName|DestCityName 1988-01-01|AA|New York, NY|Los Angeles, CA 1988-01-02|AA|New York, NY|Los Angeles, CA 1988-01-03|AA|New York, ...; https://man.mtool.work/duckdb/1.3/data/csv/auto_detection.html

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