Want to batch copy data from DB2 tables to Oracle ?
Try Withdata DBCopier, a DB2 to Oracle converter for Windows, Mac, and Linux, Bulk copy DB2 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.
Batch copy data from DB2 tables to Oracle tables
Login to DB2 and Oracle -> Select source DB2 tables -> Set target Oracle tables -> Copy DB2 data to Oracle
Choose source DB2 database and logon.

Choose target Oracle database and logon.

Click “Convert All Tables” at task dialog.

then show the wizard.
1. Select source DB2 tables.

2. List target Oracle tables.

3. Select Oracle tables to import.

4. Transfer data from DB2 tables to Oracle.

More about DB2 to Oracle converter
See also:
- Copy DB2 table data to Oracle
- Copy DB2 query results to Oracle table
- Merge multiple similar DB2 tables to 1 Oracle table
DB2 → Oracle reference
Type mapping
| Value kind | in DB2 | in Oracle |
|---|---|---|
| Int | INTEGER | NUMBER(10) |
| Bigint | BIGINT | NUMBER(19) |
| Decimal | DECIMAL(p,s) | NUMBER(p,s) |
| Float | DOUBLE | BINARY_DOUBLE |
| Text | VARCHAR(n) | VARCHAR2(n) |
| Boolean | SMALLINT | NUMBER(1) |
Dialect differences
Both DB2 and Oracle are database servers, so the differences below are dialect-level: the same concept is spelled differently on each side.
| Property | in DB2 | in Oracle |
|---|---|---|
| port | 50000 | 1521 |
| row limit | FETCH FIRST n ROWS | FETCH FIRST n ROWS ONLY |
| dates | DATE, TIME, TIMESTAMP | DATE, TIMESTAMP |
| long text | CLOB | CLOB, NCLOB |
| binary | BLOB | BLOB, BFILE |
Command line
| Side | Command |
|---|---|
| DB2 | EXPORT TO out.csv OF DEL |
| Oracle | exp / expdp |
| Oracle (load) | sqlldr (SQL*Loader) |
| DB2 (load) | db2 IMPORT FROM file OF DEL |
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