Want to sync data from Redshift to PostgreSQL ?
Try Withdata DBCopier, a Redshift to PostgreSQL converter for Windows, Mac, and Linux, Synchronize Redshift 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.
Synchronize data from Redshift to PostgreSQL
Login to Redshift and target PostgreSQL -> Select source Redshift tables -> Set target PostgreSQL tables -> Sync Redshift data to PostgreSQL
Choose source Redshift database and logon.

Choose target PostgreSQL database and logon.

Click “Wizard – Import All Tables” at task dialog.

then show the wizard.
1. Select source Redshift tables to sync.

2. List target PostgreSQL tables.
Set “Import Type” to “Replace”, it will do a full synchronization.

Or set “Import Type” to “Upsert”, it will do a upsert synchronization.

3. Select PostgreSQL tables to sync.

4. Sync Redshift data to PostgreSQL.

More about Redshift to PostgreSQL converter
See also:
Redshift → PostgreSQL reference
Type mapping
| Value kind | in Redshift | in PostgreSQL |
|---|---|---|
| Long text | varchar(max) | text |
| Binary | (none) | bytea |
| JSON | super | jsonb |
Dialect differences
Both Redshift and PostgreSQL are database servers, so the differences below are dialect-level: the same concept is spelled differently on each side.
| Property | in Redshift | in PostgreSQL |
|---|---|---|
| port | 5439 | 5432 |
| dates | timestamp, date | timestamp, timestamptz, date, time |
| long text | VARCHAR(MAX) | TEXT |
| binary | — | BYTEA |
Command line
| Side | Command |
|---|---|
| Redshift | UNLOAD to S3 |
| PostgreSQL | pg_dump or COPY ... TO |
| PostgreSQL (load) | COPY ... FROM |
| Redshift (load) | COPY from S3 |
No counterpart
- PostgreSQL has no equivalent for Binary – it has to be flattened or dropped.
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