# PostgreSQL family vendor-specific interface · access · 1996

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.

0.7475% of the full access layer.

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

Connections below describe the whole PostgreSQL family 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 |
| --- | --- | --- |
| [PostgreSQL family vendor-specific interface](https://history.columnar.tech/technologies/access/vendor-postgres.md) | 74.8% | 0.7% |
| [ODBC](https://history.columnar.tech/technologies/access/odbc.md) | 22% | 0.2% |
| [Other language/portable APIs](https://history.columnar.tech/technologies/access/other-api.md) | 3.3% | <0.1% |

## Storage use within this engine

| Option | Share of engine activity | Share of full storage layer |
| --- | --- | --- |
| [PostgreSQL family native storage](https://history.columnar.tech/technologies/storage/native-postgres.md) | 100% | 1% |

[All percentages for 1996](https://history.columnar.tech/years/1996.md)

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[Markdown overview](https://history.columnar.tech/index.md) · [Interactive visualization](https://history.columnar.tech/?1996) · [Methodology](https://history.columnar.tech/methodology.md) · [Terms of use](https://history.columnar.tech/terms.md)

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