# Oracle vendor-specific interface · access · 2005

Revision 1 (11 October 2026) · Modeled snapshot · through 8 October 2026.

All figures are research-informed estimates of analytical activity. Significant errors may remain; decimal places do not imply measurement precision.

9.4825% of the full access layer.

[Oracle vendor-specific interface](https://history.columnar.tech/technologies/access/vendor-oracle.md): historical names and annual shares.

Connections below describe the whole Oracle engine. Access and storage mixes are estimated separately; they are not a joint interface-to-storage distribution.

## Access use within this engine

| Option | Share of engine activity | Share of full access layer |
| --- | --- | --- |
| [Oracle vendor-specific interface](https://history.columnar.tech/technologies/access/vendor-oracle.md) | 40.5% | 9.5% |
| [ODBC](https://history.columnar.tech/technologies/access/odbc.md) | 25.7% | 6% |
| [JDBC](https://history.columnar.tech/technologies/access/jdbc.md) | 23.8% | 5.6% |
| [Other language/portable APIs](https://history.columnar.tech/technologies/access/other-api.md) | 8.1% | 1.9% |
| [Python DB-API (other drivers)](https://history.columnar.tech/technologies/access/python.md) | 1.9% | 0.5% |

## Storage use within this engine

| Option | Share of engine activity | Share of full storage layer |
| --- | --- | --- |
| [Oracle native storage](https://history.columnar.tech/technologies/storage/native-oracle.md) | 95% | 22.2% |
| [Federated relational native stores (vendor unallocated)](https://history.columnar.tech/technologies/storage/remote-relational.md) | 3% | 0.7% |
| [Local/shared row files](https://history.columnar.tech/technologies/storage/legacy-local.md) | 2% | 0.5% |

[All percentages for 2005](https://history.columnar.tech/years/2005.md)

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