Want to migrate from Oracle to Redshift?
Try Withdata DBCopier, a Oracle to Redshift converter for Windows, Mac, and Linux, Migrate Oracle to Redshift, Easy and Fast.
- Step by Step, just a few mouse clicks.
- Create Redshift tables with auto mapping data types. Create Redshift indexes.
Migrate from Oracle to Redshift
Login to Oracle -> Login to Redshift -> Select tables to migrate -> Migrate from Oracle to Redshift
Choose source Oracle database and logon.
Choose target Redshift database and logon.
Click “Wizard – Import All Tables” at task dialog.
then show the wizard.
1. Open source Oracle.
2. Set “Import Type”.
3. Select Redshift tables to migrate.
4. Migrate from Oracle to Redshift.
Create Redshift tables. Copy Oracle data to Redshift. Create Redshift indexes.
FAQ
More about Oracle to Redshift converter
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See also:
Oracle → Redshift reference
Type mapping
| Value kind | in Oracle | in Redshift |
|---|---|---|
| Int | NUMBER(10) | integer |
| Bigint | NUMBER(19) | bigint |
| Decimal | NUMBER(p,s) | numeric(p,s) |
| Float | BINARY_DOUBLE | double precision |
| Text | VARCHAR2(n) | varchar(n) |
| Long text | CLOB | varchar(max) |
| Date | DATE | date |
| Datetime | TIMESTAMP | timestamp |
| Binary | BLOB | (none) |
| Boolean | NUMBER(1) | boolean |
| JSON | CLOB | super |
Dialect differences
Both Oracle and Redshift are database servers, so the differences below are dialect-level: the same concept is spelled differently on each side.
| Property | in Oracle | in Redshift |
|---|---|---|
| port | 1521 | 5439 |
| row limit | FETCH FIRST n ROWS ONLY | LIMIT n |
| dates | DATE, TIMESTAMP | timestamp, date |
| long text | CLOB, NCLOB | VARCHAR(MAX) |
| binary | BLOB, BFILE | — |
Command line
| Side | Command |
|---|---|
| Oracle | exp / expdp |
| Redshift | UNLOAD to S3 |
| Redshift (load) | COPY from S3 |
| Oracle (load) | sqlldr (SQL*Loader) |
No counterpart
- Oracle values of kind Binary have nowhere to go in Redshift.
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