Want to schedule and automate from MariaDB to Oracle copy data task?
Try Withdata DB Copier, a desktop tool, you can scheduled MariaDB to Oracle copy data task easily, just a few mouse clicks!
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Schedule and automate MariaDB to Oracle data task
1. Select and run a task from follow list:
- Merge multiple similar MariaDB tables to 1 Oracle table
- Batch copy MariaDB tables to Oracle
- Copy MariaDB query results to Oracle table
- Copy MariaDB table data to Oracle
- Migrate MariaDB to Oracle
- Sync data from MariaDB to Oracle
- Convert MariaDB To Oracle
2. Save session and create .bat file.
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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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