Want to migrate from PostgreSQL to DB2 ?
Try Withdata DBCopier, a PostgreSQL to DB2 converter for Windows, Mac, and Linux, Migrate PostgreSQL to DB2, Easy and Fast.
- Step by Step, just a few mouse clicks.
- Create DB2 tables with auto mapping data types. Create DB2 indexes.
Migrate from PostgreSQL to DB2
Login to PostgreSQL -> Login to DB2 -> Select tables to migrate -> Migrate from PostgreSQL to DB2
Choose source PostgreSQL database and logon.
Choose target DB2 database and logon.
Click “Wizard – Import All Tables” at task dialog.
then show the wizard.
1. Open source PostgreSQL.
2. Set “Import Type”.
3. Select DB2 tables to migrate.
4. Migrate from PostgreSQL to DB2.
Create DB2 tables. Copy PostgreSQL data to DB2. Create DB2 indexes.
FAQ
More about PostgreSQL to DB2 converter
Download Withdata DBCopier
See also:
PostgreSQL → DB2 reference
Type mapping
| Value kind | in PostgreSQL | in DB2 |
|---|---|---|
| Int | integer | INTEGER |
| Bigint | bigint | BIGINT |
| Decimal | numeric(p,s) | DECIMAL(p,s) |
| Float | double precision | DOUBLE |
| Text | varchar(n) | VARCHAR(n) |
| Long text | text | CLOB |
| Date | date | DATE |
| Datetime | timestamp | TIMESTAMP |
| Binary | bytea | BLOB |
| Boolean | boolean | SMALLINT |
| JSON | jsonb | CLOB |
Dialect differences
Both PostgreSQL and DB2 are database servers, so the differences below are dialect-level: the same concept is spelled differently on each side.
| Property | in PostgreSQL | in DB2 |
|---|---|---|
| port | 5432 | 50000 |
| row limit | LIMIT n | FETCH FIRST n ROWS |
| dates | timestamp, timestamptz, date, time | DATE, TIME, TIMESTAMP |
| long text | TEXT | CLOB |
| binary | BYTEA | BLOB |
Command line
| Side | Command |
|---|---|
| PostgreSQL | pg_dump or COPY ... TO |
| DB2 | EXPORT TO out.csv OF DEL |
| DB2 (load) | db2 IMPORT FROM file OF DEL |
| PostgreSQL (load) | COPY ... FROM |
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