# ClickHouse vendor-specific interface

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.

Layer: access. Values cover the years in which this category appears in the public timeline. Absence is not proof of zero use.

## Names and inspection notes

### 2016–2026: ClickHouse vendor-specific interface

This category is shown in the access layer.

## Annual estimates

| Year | Name in this year | Share of full access layer | Connections and details |
| --- | --- | --- | --- |
| [2016](https://history.columnar.tech/years/2016.md) | ClickHouse vendor-specific interface | 0.03% | [Inspect](https://history.columnar.tech/connections/2016/access/vendor-clickhouse.md) |
| [2017](https://history.columnar.tech/years/2017.md) | ClickHouse vendor-specific interface | 0.175% | [Inspect](https://history.columnar.tech/connections/2017/access/vendor-clickhouse.md) |
| [2018](https://history.columnar.tech/years/2018.md) | ClickHouse vendor-specific interface | 0.285% | [Inspect](https://history.columnar.tech/connections/2018/access/vendor-clickhouse.md) |
| [2019](https://history.columnar.tech/years/2019.md) | ClickHouse vendor-specific interface | 0.5275% | [Inspect](https://history.columnar.tech/connections/2019/access/vendor-clickhouse.md) |
| [2020](https://history.columnar.tech/years/2020.md) | ClickHouse vendor-specific interface | 0.7525% | [Inspect](https://history.columnar.tech/connections/2020/access/vendor-clickhouse.md) |
| [2021](https://history.columnar.tech/years/2021.md) | ClickHouse vendor-specific interface | 0.88% | [Inspect](https://history.columnar.tech/connections/2021/access/vendor-clickhouse.md) |
| [2022](https://history.columnar.tech/years/2022.md) | ClickHouse vendor-specific interface | 1% | [Inspect](https://history.columnar.tech/connections/2022/access/vendor-clickhouse.md) |
| [2023](https://history.columnar.tech/years/2023.md) | ClickHouse vendor-specific interface | 1.1025% | [Inspect](https://history.columnar.tech/connections/2023/access/vendor-clickhouse.md) |
| [2024](https://history.columnar.tech/years/2024.md) | ClickHouse vendor-specific interface | 1.2375% | [Inspect](https://history.columnar.tech/connections/2024/access/vendor-clickhouse.md) |
| [2025](https://history.columnar.tech/years/2025.md) | ClickHouse vendor-specific interface | 1.3575% | [Inspect](https://history.columnar.tech/connections/2025/access/vendor-clickhouse.md) |
| [2026](https://history.columnar.tech/years/2026.md) | ClickHouse vendor-specific interface | 1.46% | [Inspect](https://history.columnar.tech/connections/2026/access/vendor-clickhouse.md) |

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