Want to export data from multiple similar MariaDB tables to one JSON file?
Try Withdata DBToFile, a MariaDB to JSON converter for Windows, Linux, and macOS, Export MariaDB 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 MariaDB tables to a single JSON file
Login to MariaDB -> Select MariaDB tables -> Set JSON file options -> Export MariaDB to JSON
Choose MariaDB and logon.
Click “Export Similar Tables” at task dialog.
Select JSON file type.
1. Select similar MariaDB tables.
2. Set JSON file options.
3. Set rows options.
4. Export multiple similar MariaDB tables to a single JSON file.
After exporting, you can view output JSON file.
More about MariaDB to JSON converter
Download Withdata DBToFile
See also:
- Export MariaDB table to JSON
- Export MariaDB query results to JSON
- Batch export MariaDB tables to JSON files
MariaDB → JSON reference
Type mapping
| Value kind | in MariaDB | 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
MariaDB 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 MariaDB | 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 |
|---|---|
| MariaDB | mariadb-dump |
| MariaDB (load) | mariadb-import, or LOAD DATA INFILE |
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