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

Choose target Oracle database and logon.

Click “Wizard – Import All Tables” at task dialog.

then show the wizard.
1. Select source MariaDB 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 MariaDB data to Oracle.

More about MariaDB to Oracle converter
See also:
MariaDB → Oracle reference
Type mapping
| Value kind | in MariaDB | in Oracle |
|---|---|---|
| Int | INT | NUMBER(10) |
| Bigint | BIGINT | NUMBER(19) |
| Decimal | DECIMAL(p,s) | NUMBER(p,s) |
| Float | DOUBLE | BINARY_DOUBLE |
| Text | VARCHAR(n) | VARCHAR2(n) |
| Long text | LONGTEXT | CLOB |
| Datetime | DATETIME | TIMESTAMP |
| Binary | LONGBLOB | BLOB |
| Boolean | TINYINT(1) | NUMBER(1) |
| JSON | JSON | CLOB |
Dialect differences
Both MariaDB and Oracle are database servers, so the differences below are dialect-level: the same concept is spelled differently on each side.
| Property | in MariaDB | in Oracle |
|---|---|---|
| port | 3306 | 1521 |
| identifiers | `backtick` | "double quotes" |
| row limit | LIMIT n | FETCH FIRST n ROWS ONLY |
| dates | DATETIME, TIMESTAMP, DATE, TIME | DATE, TIMESTAMP |
| long text | TINYTEXT / TEXT / MEDIUMTEXT / LONGTEXT | CLOB, NCLOB |
| binary | BLOB / TINYBLOB / LONGBLOB | BLOB, BFILE |
Command line
| Side | Command |
|---|---|
| MariaDB | mariadb-dump |
| Oracle | exp / expdp |
| Oracle (load) | sqlldr (SQL*Loader) |
| MariaDB (load) | mariadb-import, or LOAD DATA INFILE |
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