The mysqldump command is used to create SQL dump files from MySQL databases, which can be useful for backup, migration, or analyzing data. One of the options available is --fields-escaped-by=name, which specifies how fields should be escaped in the output files.
Escaping Fields in mysqldump Output:
When you use --fields-escaped-by=name, MySQL will escape fields in the output by prefixing them with the specified character (name). This is particularly useful when dealing with special characters or when you need to ensure that the data can be safely imported back into MySQL.
Here are a few examples demonstrating how this option works:
Example 1: Escape fields with a backslash (\).
mysqldump --fields-escaped-by='\\' dbname > output.sqlThis command dumps the database dbname into output.sql, escaping fields with a backslash.
Example 2: Escape fields with a caret (^).
mysqldump --fields-escaped-by='^' dbname > output.sqlThis command dumps the database dbname into output.sql, escaping fields with a caret (^).
Example 3: Escape fields with a double quote (“).
mysqldump --fields-escaped-by='"' dbname > output.sqlThis command dumps the database dbname into output.sql, escaping fields with a double quote (“).
Example 4: Escape fields with a dollar sign ($).
mysqldump --fields-escaped-by='$' dbname > output.sqlThis command dumps the database dbname into output.sql, escaping fields with a dollar sign ($).
Example 5: Escape fields with a pipe (|).
mysqldump --fields-escaped-by='|' dbname > output.sqlThis command dumps the database dbname into output.sql, escaping fields with a pipe (|).
Verification: To verify if the mysqldump command executed correctly, you can check the size of the output.sql file or open it to ensure that the fields are properly escaped as specified.
Also check similar articles.
Optionally Enclosing Fields in mysqldump Output
Enclosing Fields in mysqldump Output
Setting Field Terminator in mysqldump Output
Using Extended INSERT Syntax in mysqldump
Dumping Events Using mysqldump
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