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lancedb/docs/web/sql/dml/delete.mdx
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Brendan Clement 06aa526ae1 docs: correct data workflows, SQL and operations (#4534)
This PR is part of the documentation revamp. Once the full set of PRs is
merged, we’ll publish the combined site to staging for review before
updating docs.lancedb.com.

The curation, SQL and operations pages contain outdated claims and
examples that do not reliably work as written.

This corrects those pages against the reviewed SDK and local server
evidence, including prepared statements, background jobs, cleanup and
monitoring. Integration guides are grouped with their examples in #4533.

Function and Secret-object documentation stays unpublished until its
release. The two Function pages are listed in `.mintignore` and left out
of the navigation, and the sections about them on other pages are MDX
comments.

Stacked on #4533. Each MDX file has one PR owner. Rebase onto main after
#4533 is squash-merged.

Local assembly, Mint validation and link checks pass, and the assembled
site shows no Function or Secret-object content. A local release
rehearsal that uncomments the drafts and restores the navigation also
passes. Hold publication until this PR and lancedb/sophon#8688 are on
`main`.
2026-10-15 14:57:20 -07:00

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---
title: "Delete"
sidebarTitle: "Delete"
description: "DELETE FROM ... WHERE — rows are marked, not erased."
icon: trash
keywords: ["delete", "sql"]
---
<Badge color="red">Enterprise</Badge> [SQL runs in LanceDB Enterprise.](/sql)
```sql
DELETE FROM documents WHERE created_at < TIMESTAMP '2025-01-01 00:00:00'
```
Compare a timestamp column with a typed literal, as above, or with
`CAST('2025-01-01' AS TIMESTAMP)`. A bare string such as `'2025-01-01'` is
rejected in a `DELETE` predicate, even though a `SELECT` accepts it.
Deletion marks rows rather than erasing them, so the data remains recoverable
for as long as the version holding it survives
[retention](/maintenance/cleanup).
Commits a new table version, so [versioning](/management/table#versioning) and
the [write guarantees](/basics/guarantees#writes) apply -- including that the
version advances even when the statement affects zero rows.
## What to read next {#next}
<Card title="Delete" icon="trash" href="/ingestion/delete">
The SDK equivalent.
</Card>