# Replace Value in a Column

### Overview

This procedure finds and replaces all instances of a value within a specific table column. It helps keep your data clean and consistent by automatically replacing all matching values in the selected column.

### Input Concepts

| Concept       | Type             | Description                                       | Default    | Required |
| ------------- | ---------------- | ------------------------------------------------- | ---------- | -------- |
| `table`       | table            | The table to perform the replacement in.          | No default | Yes      |
| `column`      | text             | The name of the column to perform replacement in. | No default | Yes      |
| `value`       | text/number/date | The value to be replaced.                         | No default | Yes      |
| `replacement` | text/number/date | The value to replace with.                        | No default | Yes      |

### Output Concepts

| Concept | Description        |
| ------- | ------------------ |
| `table` | The updated table. |

### Examples

#### 1. Replace Values in a Specific Column of a Sample Table

{% tabs %}
{% tab title="Automation" %}

```
create a sample table
replace "San Jose" in the table's "City" column where
    the replacement is "Charlotte"
```

{% endtab %}

{% tab title="Results" %}

| Name          | Number             | Address          | City          |
| ------------- | ------------------ | ---------------- | ------------- |
| john          | + 1 (415) 691 9426 | 123 east street  | San Francisco |
| joe           | + 1 (415) 691 1234 | 321 west street  | Charlotte     |
| jack          | + 1 (415) 691 4595 | 213 north street | San Francisco |
| {% endtab %}  |                    |                  |               |
| {% endtabs %} |                    |                  |               |

#### 2. Replace Values in a Specific Column of a Sample Integer Table

{% tabs %}
{% tab title="Automation" %}

```
create an integer table
replace 300 in the table's "Max" column where
    the replacement is 150
```

{% endtab %}

{% tab title="Results" %}

| Amt           | Min | Max |
| ------------- | --- | --- |
| 100           | 10  | 150 |
| 200           | 5   | 500 |
| {% endtab %}  |     |     |
| {% endtabs %} |     |     |


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.kognitos.com/legacy/legacy-experience/automation-areas/tables-v2/query-a-table/replace-value-in-a-column.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.