The syntax_error indicates that the format of the CSV file or the delimiter used in the file does not match the specifications provided in the import command, which may result in the import failing or the data being corrupted.
syntax_error: Incorrect format or delimiter Make sure that the file actually exists, and that the provided file path is valid. The undefined_file error indicates that the file you are trying to import doesn’t exist. Here is a list of the most common errors you might encounter, and that you will need to resolve before the file can successfully be imported. Importing a CSV file might fail for various reasons. It allows you to import data into a table by going to the 'Import/Export' option, selecting the file to import, specifying the format, delimiter, encoding, and the column names.
It is also possible to import a CSV file in PostgreSQL using GUI tools such as pgAdmin, a popular open-source management tool for PostgreSQL. Note that the WITH clause is optional, but it allows you to specify the format of the file (CSV), whether the first row contains header information (HEADER true), and the delimiter used in the file (DELIMITER ',').
