Want to transfer data from multiple similar DB2 tables to 1 PostgreSQL table?
Try Withdata DBCopier, a DB2 to PostgreSQL converter for Windows, Mac, and Linux, Copy DB2 data 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.
Transfer data from multiple similar DB2 tables to a single PostgreSQL table
Login to DB2 and PostgreSQL -> Select source DB2 tables -> Set the target PostgreSQL table -> Copy DB2 data to PostgreSQL
Choose source DB2 database and logon.
Choose target PostgreSQL database and logon.
Click “Convert Similar Tables” at task dialog.
then show the wizard.
1. Select similar DB2 tables.
2. Select a destination PostgreSQL table and config fields.
3. Preview data.
4. Import data from multiple similar DB2 tables to a single PostgreSQL table.
More about DB2 to PostgreSQL converter
Download Withdata DBCopier
See also:
- Copy DB2 table data to PostgreSQL
- Copy DB2 query results to PostgreSQL table
- Batch copy DB2 tables to PostgreSQL
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.
