# ALTER TABLE DEDUP DISABLE

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)
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