Want to export data from multiple similar DB2 tables to one JSON file?
Try Withdata DBToFile, a DB2 to JSON converter for Windows, Linux, and macOS, Export DB2 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.
Download Withdata DBToFile
Windows 64 bit
Windows 32 bit
Linux .deb (For Debian, Ubuntu) 64 bit
Linux .rpm (For Red Hat, Fedora, SUSE) 64 bit
MacOS 64 bit
Export multiple similar DB2 tables to a single JSON file
Login to DB2 -> Select DB2 tables -> Set JSON file options -> Export DB2 to JSON
Choose DB2 and logon.
Click “Export Similar Tables” at task dialog.
Select JSON file type.
1. Select similar DB2 tables.
2. Set JSON file options.
3. Set rows options.
4. Export multiple similar DB2 tables to a single JSON file.
After exporting, you can view output JSON file.
More about DB2 to JSON converter
Download Withdata DBToFile
Windows 64 bit
Windows 32 bit
Linux .deb (For Debian, Ubuntu) 64 bit
Linux .rpm (For Red Hat, Fedora, SUSE) 64 bit
MacOS 64 bit
See also:
DB2 → JSON reference
Type mapping
| Value kind | in DB2 | in JSON |
|---|---|---|
| Int | INTEGER | 1234 (number) |
| Bigint | BIGINT | 9007199254740993 |
| Decimal | DECIMAL(p,s) | 1234.56 (number) |
| Float | DOUBLE | 1.234e10 (number) |
| Text | VARCHAR(n) | "text" (string) |
| Long text | CLOB | "multi-line\ntext" (escaped newline inside a string) |
| Date | DATE | "2026-09-18" (string) |
| Datetime | TIMESTAMP | "2026-09-18T14:30:00Z" (string) |
| Binary | BLOB | "base64:..." (string) |
| Boolean | SMALLINT | true / false (boolean) |
| JSON | CLOB | nested object or array, kept as structure |
Dialect differences
DB2 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 DB2 | in JSON |
|---|---|---|
| port | 50000 | — |
| identifiers | "double quotes" | Double quotes; backslash escapes |
| row limit | FETCH FIRST n ROWS | — |
| dates | DATE, TIME, TIMESTAMP | No date type: dates arrive as strings and the reader must p... |
| long text | CLOB | — |
| binary | BLOB | 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 |
|---|---|
| DB2 | EXPORT TO out.csv OF DEL |
| DB2 (load) | db2 IMPORT FROM file OF DEL |
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