# ALTER TABLE DEDUP DISABLE

> **For AI agents:** the complete documentation index is at [llms.txt](https://questdb.com/docs/llms.txt). Every page is available as markdown by appending `.md` to its URL, or by sending an `Accept: text/markdown` request header.

DISABLE DEDUPLICATION SQL command reference documentation.

Disable storage level data deduplication on inserts

## Syntax

```questdb-sql
ALTER TABLE tableName DEDUP DISABLE;
```

## Example

Disable deduplication on table `fx_trades`:

```sql
ALTER TABLE fx_trades DEDUP DISABLE;
```

See more example at [data deduplication](/docs/concepts/deduplication/#quick-example)
page