Want to schedule and automate from Oracle to MariaDB copy data task?
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Schedule and automate Oracle to MariaDB data task
1. Select and run a task from follow list:
- Merge multiple similar Oracle tables to 1 MariaDB table
- Batch copy Oracle tables to MariaDB
- Copy Oracle query results to MariaDB table
- Copy Oracle table data to MariaDB
- Migrate Oracle to MariaDB
- Sync data from Oracle to MariaDB
- Convert Oracle To MariaDB
2. Save session and create .bat file.
More about Withdata DBCopier – the tool to copy Oracle data to MariaDB
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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) |
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