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