Want to bulk import CSV files into DB2 tables at one time?
Try Withdata FileToDB, a desktop CSV to DB2 converter for Windows, MacOS, and Linux, Convert CSV to DB2, 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 CSV files to online services.
- Support Windows, Linux, and macOS.
Bulk import CSV files into DB2 tables
Login to DB2 -> Choose CSV files -> Set DB2 tables -> Import CSV files to DB2 tables
Choose DB2 and logon.
Click “Wizard – N Files To N Tables” at task dialog.
Select the “CSV” file type.
then show the wizard.
1. Select a folder that constains CSV files.
Support large ( > 4GB ) CSV files.
2. Config first CSV file importing options.
3. Set “Import Type”.
4. Map DB2 tables to CSV files.
5. Summary. Set “Convert Rows” and “Skip Rows” if need.
6. Import CSV files to DB2 tables, 1 file to 1 table, one by one.
View imported data in DB2 table
Bulk import CSV files into DB2 tables in command line
Save “bulk CSV files to DB2 tables” session, then you can:
- Bulk import CSV files into DB2 tables in Windows command line.
- Bulk import CSV files into DB2 tables in Linux command line.
- Bulk import CSV files into DB2 tables in macOS command line.
Set scheduled tasks for bulk importing CSV files into DB2 tables
You can schedule and automate this converting task by:
- Save session and create .bat (Windows) or .sh (Linux/macOS) file for “CSV to DB2” conversion.
- Set scheduled task for “CSV to DB2” conversion.
FAQ
More about Withdata FileToDB – CSV to DB2 converter
Download Withdata FileToDB
See Video: DB2 bulk import CSV files into tables in one go
See also:
CSV → DB2 reference
Type mapping
| Value kind | in CSV | in DB2 |
|---|---|---|
| Int | 1234 | INTEGER |
| Bigint | 9007199254740993 | BIGINT |
| Decimal | 1234.56 | DECIMAL(p,s) |
| Float | 1.234e+10 | DOUBLE |
| Text | quoted only when it contains a comma or a quote | VARCHAR(n) |
| Long text | must be quoted; line breaks inside force multi-line records | CLOB |
| Date | 2026-09-18 | DATE |
| Datetime | 2026-09-18 14:30:00 | TIMESTAMP |
| Binary | not representable - base64 or hex string | BLOB |
| Boolean | TRUE / FALSE, or 1 / 0 depending on the writer | SMALLINT |
| JSON | the whole JSON value quoted, with internal quotes doubled | CLOB |
Dialect differences
CSV is a file format and DB2 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 CSV | in DB2 |
|---|---|---|
| port | — | 50000 |
| identifiers | Double quotes; a literal quote is doubled ("" ) | "double quotes" |
| row limit | — | FETCH FIRST n ROWS |
| dates | Conventional text: 2026-09-18 or 2026-09-18 14:30:00 | DATE, TIME, TIMESTAMP |
| long text | — | CLOB |
| binary | Not supported | BLOB |
| separator | Comma "," | — |
| encoding | No declaration - UTF-8 works only with a BOM | — |
| typing | None - every field is text | — |
| shape | Flat table, optional header row | Tables of rows and columns |
| ceiling | No formal limit; row count bounded by memory | — |
Command line
| Side | Command |
|---|---|
| DB2 | EXPORT TO out.csv OF DEL |
| DB2 (load) | db2 IMPORT FROM file OF DEL |
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.
