Want to migrate from Oracle to MariaDB?
Try Withdata DBCopier, a Oracle to MariaDB converter for Windows, Mac, and Linux, Migrate Oracle to MariaDB, Easy and Fast.
- Step by Step, just a few mouse clicks.
- Create MariaDB tables with auto mapping data types. Create MariaDB indexes.
Migrate from Oracle to MariaDB
Login to Oracle -> Login to MariaDB -> Select tables to migrate -> Migrate from Oracle to MariaDB
Choose source Oracle database and logon.
Choose target MariaDB 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 MariaDB tables to migrate.
4. Migrate from Oracle to MariaDB.
Create MariaDB tables. Copy Oracle data to MariaDB. Create MariaDB indexes.
FAQ
More about Oracle to MariaDB converter
Download Withdata DBCopier
See also:
Oracle → MariaDB reference
Type mapping
| Value kind | in Oracle | in MariaDB |
|---|---|---|
| Int | NUMBER(10) | INT |
| Bigint | NUMBER(19) | BIGINT |
| Decimal | NUMBER(p,s) | DECIMAL(p,s) |
| Float | BINARY_DOUBLE | DOUBLE |
| Text | VARCHAR2(n) | VARCHAR(n) |
| Long text | CLOB | LONGTEXT |
| Datetime | TIMESTAMP | DATETIME |
| Binary | BLOB | LONGBLOB |
| Boolean | NUMBER(1) | TINYINT(1) |
| JSON | CLOB | JSON |
Dialect differences
Both Oracle and MariaDB are database servers, so the differences below are dialect-level: the same concept is spelled differently on each side.
| Property | in Oracle | in MariaDB |
|---|---|---|
| port | 1521 | 3306 |
| identifiers | "double quotes" | `backtick` |
| row limit | FETCH FIRST n ROWS ONLY | LIMIT n |
| dates | DATE, TIMESTAMP | DATETIME, TIMESTAMP, DATE, TIME |
| long text | CLOB, NCLOB | TINYTEXT / TEXT / MEDIUMTEXT / LONGTEXT |
| binary | BLOB, BFILE | BLOB / TINYBLOB / LONGBLOB |
Command line
| Side | Command |
|---|---|
| Oracle | exp / expdp |
| MariaDB | mariadb-dump |
| MariaDB (load) | mariadb-import, or LOAD DATA INFILE |
| Oracle (load) | sqlldr (SQL*Loader) |
Convert your data online, free
Free in-browser converters for CSV, Excel, JSON, XML and SQL: Withdata Online Data Conversion. Large files, batch conversion or scheduling? See the offline desktop apps, or browse all data conversion tools.
