Want to import multiple JSON files into a single MariaDB table?
Try Withdata FileToDB, a desktop JSON to MariaDB converter for Windows, MacOS, and Linux, Import JSON to MariaDB, 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.
- Convert locally and privately, avoid uploading large or private JSON file(s) to online services.
- Support Windows, Linux, and macOS.
Import multiple JSON files into a single MariaDB table
Login to MariaDB -> Choose JSON files -> Set MariaDB table -> Import JSON files to MariaDB table
Choose MariaDB and logon.
Click “Wizard – N Files To 1 Table” at task dialog.
Select the “JSON” file type.
then show the wizard.
1. Select a folder that constains JSON files.
Support large ( > 4GB ) JSON file.
2. Config first JSON file importing options.
3. Select a MariaDB table and config fields.
4. Preview data will be in MariaDB table.
5. Import multiple JSON files to the MariaDB table.
View imported data in MariaDB table
Convert JSON files to MariaDB in command line
Save “JSON to MariaDB” session, then you can:
- Import multiple JSON to a single MariaDB table in Windows command line.
- Import multiple JSON to a single MariaDB table in Linux command line.
- Import multiple JSON to a single MariaDB table in macOS command line.
Set scheduled tasks for converting JSON files to MariaDB
You can schedule and automate this “JSON to MariaDB” conversion task by:
- Save session and create .bat (Windows) or .sh (Linux/macOS) file for “JSON to MariaDB” conversion.
- Set scheduled task for “JSON to MariaDB” conversion.
FAQ
More about Withdata FileToDB – JSON to MariaDB converter
Download Withdata FileToDB
See also:
JSON → MariaDB reference
Type mapping
| Value kind | in JSON | in MariaDB |
|---|---|---|
| Int | 1234 (number) | INT |
| Bigint | 9007199254740993 | BIGINT |
| Decimal | 1234.56 (number) | DECIMAL(p,s) |
| Float | 1.234e10 (number) | DOUBLE |
| Text | "text" (string) | VARCHAR(n) |
| Long text | "multi-line\ntext" (escaped newline inside a string) | LONGTEXT |
| Date | "2026-09-18" (string) | DATE |
| Datetime | "2026-09-18T14:30:00Z" (string) | DATETIME |
| Binary | "base64:..." (string) | LONGBLOB |
| Boolean | true / false (boolean) | TINYINT(1) |
| JSON | nested object or array, kept as structure | JSON |
Dialect differences
JSON is a file format and MariaDB is a database server, so the target has to be told the types the file never carried - the rows below are where the two sides diverge.
| Property | in JSON | in MariaDB |
|---|---|---|
| port | — | 3306 |
| identifiers | Double quotes; backslash escapes | `backtick` |
| row limit | — | LIMIT n |
| dates | No date type: dates arrive as strings and the reader must p... | DATETIME, TIMESTAMP, DATE, TIME |
| long text | — | TINYTEXT / TEXT / MEDIUMTEXT / LONGTEXT |
| binary | Not supported natively - base64 inside a string | BLOB / TINYBLOB / LONGBLOB |
| separator | Braces and commas | — |
| encoding | UTF-8 by definition | — |
| typing | string, number, boolean, null, object, array - no date type | — |
| shape | Nested objects and arrays | Tables of rows and columns |
| ceiling | Whole document is usually parsed into memory | — |
Command line
| Side | Command |
|---|---|
| MariaDB | mariadb-dump |
| MariaDB (load) | mariadb-import, or LOAD DATA INFILE |
Convert your data online, free
Free in-browser converters for CSV, Excel, JSON, XML and SQL: Withdata Online Data Conversion. Large files, batch conversion or scheduling? See the offline desktop apps, or browse all data conversion tools.
