---
title: "Disable Column Synchronization"
method: DELETE
path: "/v2/storage/branch/{branchId}/tables/{tableId}/alias-columns-auto-sync"
tags: ["Table Aliases"]
---

# Disable Column Synchronization

`DELETE /v2/storage/branch/{branchId}/tables/{tableId}/alias-columns-auto-sync`

## Request

- Base URL: `https://connection.keboola.com`
- URL: `https://connection.keboola.com/v2/storage/branch/{branchId}/tables/{tableId}/alias-columns-auto-sync`
- Auth: one of:
  - API key in header `X-StorageApi-Token`
  - API key in header `X-KBC-ManageApiToken`
  - HTTP bearer
- TypeScript: <https://skmtc.dev/keboola/apis/keboola-storage-api/docs/v2/storage/branch/:branchId/tables/:tableId/alias-columns-auto-sync/delete.ts> (a function with typed inputs; its response is checked against the schema)

Disables automatic column synchronization between the alias and source table. Columns from the source table will not be synchronized with the alias table any more: the alias column list is frozen at the source table's current columns, and when you add new columns into the source table, they will not propagate to the alias. Later you can modify the alias columns by the table columns methods. The persisted alias VIEW is recreated when the backend uses one. Rejected when the alias has dependent aliases of its own.

## Path parameters

- `tableId` string, required
- `branchId` string, required

## Response `204`

Alias columns auto-sync disabled.

## Other responses

- `400`: The table is not a simple alias (`storage.tables.aliasColumnsAutoSyncNotAllowed`), has dependent aliases (`storage.tables.hasDependentAliases`), or its bucket is exposed on Snowflake and the alias reads a linked or external bucket (`storage.tables.aliasSourceOutsideProjectInExposedBucket`).
- `403`: Access denied.
- `404`: The table or its bucket was not found (`storage.tables.notFound`, `storage.buckets.notFound`).
- `409`: Another operation holds the alias lock (`core.lock.lockIsAlreadyUsed`); retry.
- `503`: The bucket or its backend is under maintenance.

---

[API](https://skmtc.dev/keboola/apis/keboola-storage-api.md) - [All operations](https://skmtc.dev/keboola/apis/keboola-storage-api/llms.txt) - [OpenAPI document](https://skmtc.dev/keboola/apis/keboola-storage-api/revisions/34b5ceac0317?raw)