Export SQL Server table to JSON using dynamic filename with current date

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

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

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• Support Windows, Linux, and macOS.

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

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

Choose SQL Server and logon.

“Export From Table” for “JSON to SQL Server“.

Select JSON file type.

1. Choose SQL Server 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 SQL Server 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 SQL Server to JSON converter

SQL Server → JSON reference

Type mapping

Value kind	in SQL Server	in JSON
Int	int	1234 (number)
Bigint	bigint	9007199254740993
Decimal	decimal(p,s)	1234.56 (number)
Float	float	1.234e10 (number)
Text	nvarchar(n)	"text" (string)
Long text	nvarchar(max)	"multi-line\ntext" (escaped newline inside a string)
Date	date	"2026-09-18" (string)
Datetime	datetime2	"2026-09-18T14:30:00Z" (string)
Binary	varbinary(max)	"base64:..." (string)
Boolean	bit	true / false (boolean)
JSON	nvarchar(max)	nested object or array, kept as structure

Dialect differences

SQL Server 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 SQL Server	in JSON
port	1433	—
identifiers	[square brackets]	Double quotes; backslash escapes
row limit	SELECT TOP n	—
dates	datetime, datetime2, date, time	No date type: dates arrive as strings and the reader must p...
long text	nvarchar(max)	—
binary	varbinary(max)	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
SQL Server	bcp
SQL Server (load)	bcp, or BULK INSERT

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