Want to export data from multiple similar SQL Server tables to one JSON file?
Try Withdata DBToFile, a SQL Server to JSON converter for Windows, Linux, and macOS, Export SQL Server data to JSON, Easy and Fast.
- Can run in GUI mode, Step by Step, just a few mouse clicks.
- Can run in Command line, for Scheduled Tasks and Streams.
- Support Windows, Linux, and macOS.
Export multiple similar SQL Server tables to a single JSON file
Login to SQL Server -> Select SQL Server tables -> Set JSON file options -> Export SQL Server to JSON
Choose SQL Server and logon.
Click “Export Similar Tables” at task dialog.
Select JSON file type.
1. Select similar SQL Server tables.
2. Set JSON file options.
3. Set rows options.
4. Export multiple similar SQL Server tables to a single JSON file.
After exporting, you can view output JSON file.
More about SQL Server to JSON converter
Download Withdata DBToFile
See also:
- Export SQL Server table to JSON
- Export SQL Server query results to JSON
- Batch export SQL Server tables to JSON files
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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