Importing Structure and Data - Mastering phpMyAdmin 3.1 for Effective MySQL Management - page 142

Exporting a test file
Before trying an import, let's generate an author.csv export file from the author
table. We use the default values in the CSV export options. We can then Empty
the author table—we should avoid dropping this table because we still need the
table structure.
CSV
From the author table menu, we select Import and then CSV .
We can influence the behavior of the import in a number of ways. By default,
importing does not modify existing data (based on primary or unique keys).
However, the Replace table data with file option instructs phpMyAdmin to use
REPLACE statement instead of INSERT statement, so that existing rows are replaced
with the imported data.
Using Ignore duplicate rows , INSERT IGNORE statements are generated. These cause
MySQL to ignore any duplicate key problems during insertion. A duplicate key from
the import file does not replace existing data, and the procedure continues for the
next line of CSV data.
We can then specify the character that terminates each field, the character that
encloses data, and the character that escapes the enclosing character. Usually this
is \ . For example, for a double quote enclosing character, if the data field contains
a double quote, it must be expressed as "some data \" some other data" .