How to load data from Oracle DB to TiDB

Learn how to use Airbyte to synchronize your Oracle DB data into TiDB within minutes.

Try Airbyte Cloud Manual method (the hard way)

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Set up a Oracle DB connector in Airbyte

Connect to or one of 400+ pre-built or 10,000+ custom connectors through simple account authentication.

Set up TiDB for your extracted Oracle DB data

Select where you want to import data from your source to. You can also choose other cloud data warehouses, databases, data lakes, vector databases, or any other supported Airbyte destinations.

Configure the Oracle DB to TiDB in Airbyte

This includes selecting the data you want to extract - streams and columns -, the sync frequency, where in the destination you want that data to be loaded.

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How to Sync to Manually

Step 1: Prepare the Oracle Database for Data Export

Start by ensuring you have the necessary access and permissions to export data from the Oracle Database. Verify the database's consistency and integrity by running necessary checks. Identify the tables and data you need to transfer, and make sure that the data volume is manageable for export and import operations.

Step 2: Export Data from Oracle Using SQL*Plus

Use SQL*Plus, a command-line tool provided by Oracle, to export data. You can use the `SPOOL` command to write query results to a CSV file. For example:
```sql
SPOOL 'data_export.csv';
SELECT * FROM your_table;
SPOOL OFF;
```
This command will create a CSV file containing the data from the specified table. Repeat this for each table you need to export.

Step 3: Prepare the TiDB Environment

Set up your TiDB cluster and ensure it is properly configured to accept new data. Install and configure the TiDB client tools, and verify connectivity to your TiDB instance. Make sure you have adequate permissions to create tables and insert data.

Step 4: Create Corresponding Tables in TiDB

For each table you exported from Oracle, create the corresponding table in TiDB. Use the TiDB SQL interface to execute `CREATE TABLE` statements that match the schema of your Oracle tables. Adjust data types if necessary to ensure compatibility with TiDB's data types.

Step 5: Transfer Data to TiDB Using TiDB Loader

Use TiDB's native tools like `LOAD DATA` to import the CSV files exported from Oracle. For example:
```sql
LOAD DATA LOCAL INFILE 'data_export.csv'
INTO TABLE your_tidb_table
FIELDS TERMINATED BY ','
ENCLOSED BY '"'
LINES TERMINATED BY '\n'
IGNORE 1 ROWS;
```
This command reads the CSV file and inserts the data into the specified TiDB table. Make sure to adjust the command parameters to match your CSV format.

Step 6: Verify Data Integrity and Consistency

After importing the data into TiDB, run queries to verify that the data matches the original data in the Oracle Database. Check row counts and perform spot checks to ensure data integrity. Address any discrepancies by re-importing or manually correcting errors.

Step 7: Optimize TiDB for Performance

After successful data migration, optimize your TiDB cluster for performance. Consider analyzing tables, updating statistics, and configuring indexes to ensure efficient query execution. Monitor TiDB's performance and adjust configurations as necessary for optimal operation.

By following these steps, you can manually move data from Oracle to TiDB without relying on third-party connectors or integrations.