Want to transfer data from Oracle query results to PostgreSQL table?
Try Withdata DBCopier, a Oracle to PostgreSQL converter for Windows, Mac, and Linux, Copy Oracle query 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 Oracle query To PostgreSQL table
Login to Oracle and PostgreSQL -> Enter source Oracle query -> Set target PostgreSQL table -> Copy Oracle query data to PostgreSQL table
Choose source Oracle database and logon.
Choose target PostgreSQL database and logon.
Click “Convert From Query” at task dialog.
then show the wizard.
1. Set a Oracle query.
2. Select a destination PostgreSQL table and config fields.
3. Preview data.
4. Transfer data from Oracle query result to PostgreSQL table.
More about Oracle to PostgreSQL converter
Download Withdata DBCopier
See also:
- Copy Oracle table data to PostgreSQL
- Merge multiple similar Oracle tables to 1 PostgreSQL table
- Batch copy Oracle tables to PostgreSQL
Oracle → PostgreSQL reference
Type mapping
| Value kind | in Oracle | in PostgreSQL |
|---|---|---|
| Int | NUMBER(10) | integer |
| Bigint | NUMBER(19) | bigint |
| Decimal | NUMBER(p,s) | numeric(p,s) |
| Float | BINARY_DOUBLE | double precision |
| Text | VARCHAR2(n) | varchar(n) |
| Long text | CLOB | text |
| Date | DATE | date |
| Datetime | TIMESTAMP | timestamp |
| Binary | BLOB | bytea |
| Boolean | NUMBER(1) | boolean |
| JSON | CLOB | jsonb |
Dialect differences
Both Oracle and PostgreSQL are database servers, so the differences below are dialect-level: the same concept is spelled differently on each side.
| Property | in Oracle | in PostgreSQL |
|---|---|---|
| port | 1521 | 5432 |
| row limit | FETCH FIRST n ROWS ONLY | LIMIT n |
| dates | DATE, TIMESTAMP | timestamp, timestamptz, date, time |
| long text | CLOB, NCLOB | TEXT |
| binary | BLOB, BFILE | BYTEA |
Command line
| Side | Command |
|---|---|
| Oracle | exp / expdp |
| PostgreSQL | pg_dump or COPY ... TO |
| PostgreSQL (load) | COPY ... FROM |
| Oracle (load) | sqlldr (SQL*Loader) |
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