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Transferring Data Between Csv And Postgresql

Transferring Data Between CSV and PostgreSQL

Importing CSV into PostgreSQL

To import a CSV file into PostgreSQL, you can use the COPY command. The syntax for the COPY command is as follows:

COPY table_name FROM 'file_path' DELIMITER ',' CSV HEADER;

For example, to import a CSV file named data.csv into a table named users, you would use the following command:

COPY users FROM '/path/to/data.csv' DELIMITER ',' CSV HEADER;

Exporting PostgreSQL to CSV

To export a PostgreSQL table to a CSV file, you can use the COPY command. The syntax for the COPY command is as follows:

COPY table_name TO 'file_path' DELIMITER ',' CSV HEADER;

For example, to export a table named users to a CSV file named data.csv, you would use the following command:

COPY users TO '/path/to/data.csv' DELIMITER ',' CSV HEADER;

Additional Notes

When importing or exporting CSV files, it is important to ensure that the data is formatted correctly. The delimiter character must be specified correctly, and all data values must be enclosed in quotes. Additionally, the header row must be included in the CSV file if the HEADER option is used.


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