Batch copy PostgreSQL tables to Oracle

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.

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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.

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More about PostgreSQL to Oracle converter

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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