How Can I Efficiently Dump All MySQL Tables into CSV Format Using `mysqldump`?

Dumping All MySQL Tables into CSV Format with Mysqldump

When faced with the task of extracting all database tables into CSV format, mysqldump offers a convenient solution. However, the default functionality only allows you to dump individual tables at a time.

To dump all tables, a comprehensive approach is required. Here's how to do it:

1. Convert Individual Table Data to CSV Format:

   mysql -B -u username -p password database -h dbhost -e "SELECT * FROM tablename;" \
   | sed "s/\"/\"\"/g;s/'/\'/;s/\t/\",\"/g;s/^/\"/;s/$/\"/;s/\n//g"

   This command extracts data from a specific table named 'tablename' using MySQL and formats it into CSV.

2. Generate a List of All Tables:

   mysql -u username -ppassword dbname -sN -e "SHOW TABLES;"

   This command retrieves a list of all tables in the database and stores it in a variable.

3. Iterate Over Tables and Export CSV Data:

   Using a loop, iterate over the list of tables and append the previously mentioned 'Convert Table Data to CSV Format' command.

   for tb in $(mysql -u username -ppassword dbname -sN -e "SHOW TABLES;"); do
     echo .....;
   done

   Replace '.....' with the 'Convert Table Data to CSV Format' command, ensuring to substitute 'tablename' with '$tb'.

4. Redirect Output to a CSV File:

   Append ' > outfile.csv' to the end of the loop command to direct the output into a CSV file.

By executing this comprehensive solution, you can efficiently dump all MySQL tables into CSV format, providing a convenient export option for your data analysis and processing needs.

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