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

Choose target Oracle 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 Oracle 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 Oracle tables to sync.

4. Sync Redshift data to Oracle.

More about Redshift to Oracle converter
See also:
Redshift → Oracle reference
Type mapping
| Value kind | in Redshift | 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 | varchar(max) | CLOB |
| Date | date | DATE |
| Datetime | timestamp | TIMESTAMP |
| Binary | (none) | BLOB |
| Boolean | boolean | NUMBER(1) |
| JSON | super | CLOB |
Dialect differences
Both Redshift and Oracle are database servers, so the differences below are dialect-level: the same concept is spelled differently on each side.
| Property | in Redshift | in Oracle |
|---|---|---|
| port | 5439 | 1521 |
| row limit | LIMIT n | FETCH FIRST n ROWS ONLY |
| dates | timestamp, date | DATE, TIMESTAMP |
| long text | VARCHAR(MAX) | CLOB, NCLOB |
| binary | — | BLOB, BFILE |
Command line
| Side | Command |
|---|---|
| Redshift | UNLOAD to S3 |
| Oracle | exp / expdp |
| Oracle (load) | sqlldr (SQL*Loader) |
| Redshift (load) | COPY from S3 |
No counterpart
- Oracle has no equivalent for Binary – it has to be flattened or dropped.
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