Want to migrate from Redshift to Oracle ?
Try Withdata DBCopier, a Redshift to Oracle converter for Windows, Mac, and Linux, Migrate Redshift to Oracle, Easy and Fast.
- Step by Step, just a few mouse clicks.
- Create Oracle tables with auto mapping data types. Create Oracle indexes.
Migrate from Redshift to Oracle
Login to Redshift -> Login to Oracle -> Select tables to migrate -> Migrate from Redshift 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. Open source Redshift.
2. Set “Import Type”.
3. Select Oracle tables to migrate.
4. Migrate from Redshift to Oracle.
Create Oracle tables. Copy Redshift data to Oracle. Create Oracle indexes.
FAQ
More about Redshift to Oracle converter
Download Withdata DBCopier
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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