Want to batch copy data from DB2 tables to PostgreSQL ?
Try Withdata DBCopier, a DB2 to PostgreSQL converter for Windows, Mac, and Linux, Bulk copy DB2 to PostgreSQL, 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.
Batch copy data from DB2 tables to PostgreSQL tables
Login to DB2 and PostgreSQL -> Select source DB2 tables -> Set target PostgreSQL tables -> Copy DB2 data to PostgreSQL
Choose source DB2 database and logon.
Choose target PostgreSQL database and logon.
Click “Convert All Tables” at task dialog.
then show the wizard.
1. Select source DB2 tables.
2. List target PostgreSQL tables.
3. Select PostgreSQL tables to import.
4. Transfer data from DB2 tables to PostgreSQL.
More about DB2 to PostgreSQL converter
Download Withdata DBCopier
See also:
- Copy DB2 table data to PostgreSQL
- Copy DB2 query results to PostgreSQL table
- Merge multiple similar DB2 tables to 1 PostgreSQL table
DB2 → PostgreSQL reference
Type mapping
| Value kind | in DB2 | in PostgreSQL |
|---|---|---|
| Int | INTEGER | integer |
| Bigint | BIGINT | bigint |
| Decimal | DECIMAL(p,s) | numeric(p,s) |
| Float | DOUBLE | double precision |
| Text | VARCHAR(n) | varchar(n) |
| Long text | CLOB | text |
| Date | DATE | date |
| Datetime | TIMESTAMP | timestamp |
| Binary | BLOB | bytea |
| Boolean | SMALLINT | boolean |
| JSON | CLOB | jsonb |
Dialect differences
Both DB2 and PostgreSQL are database servers, so the differences below are dialect-level: the same concept is spelled differently on each side.
| Property | in DB2 | in PostgreSQL |
|---|---|---|
| port | 50000 | 5432 |
| row limit | FETCH FIRST n ROWS | LIMIT n |
| dates | DATE, TIME, TIMESTAMP | timestamp, timestamptz, date, time |
| long text | CLOB | TEXT |
| binary | BLOB | BYTEA |
Command line
| Side | Command |
|---|---|
| DB2 | EXPORT TO out.csv OF DEL |
| PostgreSQL | pg_dump or COPY ... TO |
| PostgreSQL (load) | COPY ... FROM |
| 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.
