> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/server/reference/sql-functions/special-functions/window-functions/nth_value.md).

# NTH\_VALUE

## Syntax

```bnf
NTH_VALUE (expr[, num_row]) OVER ( 
  [ PARTITION BY partition_expression ] 
  [ ORDER BY order_list ]
)
```

## Description

The `NTH_VALUE` function returns the value evaluated at row number `num_row` of the window frame, starting from 1, or `NULL` if the row does not exist.

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