Want to export data from SQL Server query to JSON file?
Using SqlToTxt, you can export data from SQL Server query to Json file easily and fast, just a few mouse clicks!
Here you can download and install SqlToTxt.
Export data from SQL Server query to Json file
Click “Export From Query” at task dialog.
then show the Export Query form.
1. Select Json file type.
2. Enter query.
3. Enter data file name.
4. Summary.
5. Export.
More about SqlToTxt – the tool to export data from SQL Server query to Json file
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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