Export MySQL table to JSON using dynamic filename with current date

Want to export data from MySQL table to JSON using current date as file name?

Try Withdata DBToFile, a MySQL to JSON converter for Windows, Linux, and macOS, Export MySQL data to JSON, Easy and Fast.

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• Support Windows, Linux, and macOS.

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Export data from MySQL table to JSON file using dynamic filename with date and time

Login to MySQL -> Choose MySQL table -> Set JSON filename template including date -> Export MySQL to JSON using current date as file name

Choose MySQL and logon.

“Export From Table” for “JSON to MySQL“.

Select JSON file type.

1. Choose MySQL table.

2. Set JSON file options. Enter filename template, including date, #yyyy# is for current year, #mm# month, #dd# day, #hh# hour, #mi# minute, #ss# second.

3. Set rows options.

4. Export MySQL table data to JSON file. Dynamically created JSON file name using present system time.

After exporting, you can view output JSON files.

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More about MySQL to JSON converter

MySQL → JSON reference

Type mapping

Value kind	in MySQL	in JSON
Int	INT	1234 (number)
Bigint	BIGINT	9007199254740993
Decimal	DECIMAL(p,s)	1234.56 (number)
Float	DOUBLE	1.234e10 (number)
Text	VARCHAR(n)	"text" (string)
Long text	LONGTEXT	"multi-line\ntext" (escaped newline inside a string)
Date	DATE	"2026-09-18" (string)
Datetime	DATETIME	"2026-09-18T14:30:00Z" (string)
Binary	LONGBLOB	"base64:..." (string)
Boolean	TINYINT(1)	true / false (boolean)
JSON	JSON	nested object or array, kept as structure

Dialect differences

MySQL is a database server and JSON is a file format, so the gap is wider than a dialect difference - the rows below are where values and structure stop lining up.

Property	in MySQL	in JSON
port	3306	—
identifiers	`backtick`	Double quotes; backslash escapes
row limit	LIMIT n	—
dates	DATETIME, TIMESTAMP, DATE, TIME	No date type: dates arrive as strings and the reader must p...
long text	TINYTEXT / TEXT / MEDIUMTEXT / LONGTEXT	—
binary	BLOB / TINYBLOB / LONGBLOB	Not supported natively - base64 inside a string
separator	—	Braces and commas
encoding	—	UTF-8 by definition
typing	—	string, number, boolean, null, object, array - no date type
shape	Tables of rows and columns	Nested objects and arrays
ceiling	—	Whole document is usually parsed into memory

Command line

Side	Command
MySQL	mysqldump, or mysql -e "SELECT ..." > out.csv
MySQL (load)	mysqlimport, or LOAD DATA INFILE

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