Want to schedule and automate from Redshift to Oracle copy data task?
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Schedule and automate Redshift to Oracle data task
1. Select and run a task from follow list:
- Merge multiple similar Redshift tables to 1 Oracle table
- Batch copy Redshift tables to Oracle
- Copy Redshift query results to Oracle table
- Copy Redshift table data to Oracle
- Migrate Redshift to Oracle
- Sync data from Redshift to Oracle
- Convert Redshift To Oracle
2. Save session and create .bat file.
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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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