The Numero Data Business Intelligence interview guide, interview questions, salary data, and interview experiences.

Numero Data Business Intelligence Interview Guide

<p>Getting ready for an Business Intelligence interview at Numero Data? The Numero Data Business Intelligence interview span across 10 to 12 different question topics. In preparing for the interview:</p>
<ul>
<li>Know what skills are necessary for Numero Data Business Intelligence roles.</li>
<li>Gain insights into the Business Intelligence interview process at Numero Data.</li>
<li>Practice real Numero Data Business Intelligence interview questions.</li>
</ul>
<p>Interview Query regularly analyzes interview experience data, and we've used that data to produce this guide, with sample interview questions and an overview of the Numero Data Business Intelligence interview.</p>


Getting ready for an Business Intelligence interview at Numero Data? The Numero Data Business Intelligence interview span across 10 to 12 different question topics. In preparing for the interview:

- Know what skills are necessary for Numero Data Business Intelligence roles.
- Gain insights into the Business Intelligence interview process at Numero Data.
- Practice real Numero Data Business Intelligence interview questions.

Interview Query regularly analyzes interview experience data, and we've used that data to produce this guide, with sample interview questions and an overview of the Numero Data Business Intelligence interview.
        

Overview

Numero Data Business Intelligence Salary

<p>We've gathered this data from parsing thousands of interview experiences sourced from members.</p>

We've gathered this data from parsing thousands of interview experiences sourced from members.

Numero Data Business Intelligence Interview Process

<p>We’re given a table of bank transactions with three columns, <code>user_id</code>, a deposit or withdrawal value (determined if the value is positive or negative), and <code>created_at</code> time for each transaction.</p>

<p>Write a query to get the total three-day rolling average for deposits by day.</p>

<p><em>Note: Please use the format <code>&#39;%Y-%m-%d&#39;</code> for the date in the outout</em></p>

<p><strong>Example:</strong></p>

<p><strong>Input:</strong></p>

<p><code>bank_transactions</code> table</p>

<table>
<thead>
<tr>
<th>Column</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>user_id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>created_at</code></td>
<td>DATETIME</td>
</tr>

<tr>
<td><code>transaction_value</code></td>
<td>FLOAT</td>
</tr>
</tbody>
</table>
<p><strong>Output:</strong></p>

<table>
<thead>
<tr>
<th>Column</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>dt</code></td>
<td>VARCHAR</td>
</tr>

<tr>
<td><code>rolling_three_day</code></td>
<td>FLOAT</td>
</tr>
</tbody>
</table>


Rolling Bank Transactions

<p>Write a query to identify the manager with the biggest team size.</p>

<p>You may assume there is only one manager with the largest team size.</p>

<p><strong>Example:</strong></p>

<p><strong>Input:</strong></p>

<p><code>employees</code> table</p>

<table>
<thead>
<tr>
<th>Column</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>name</code></td>
<td>VARCHAR</td>
</tr>

<tr>
<td><code>manager_id</code></td>
<td>INTEGER</td>
</tr>
</tbody>
</table>
<p><code>managers</code> table</p>

<table>
<thead>
<tr>
<th>Column</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>name</code></td>
<td>VARCHAR</td>
</tr>

<tr>
<td><code>team</code></td>
<td>VARCHAR</td>
</tr>
</tbody>
</table>
<p><strong>Output:</strong></p>

<table>
<thead>
<tr>
<th>Column</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>manager</code></td>
<td>VARCHAR</td>
</tr>

<tr>
<td><code>team_size</code></td>
<td>INTEGER</td>
</tr>
</tbody>
</table>


Manager Team Sizes

<p>Write a query to identify customers who placed more than three transactions each in both 2019 and 2020.</p>

<p><strong>Example:</strong></p>

<p><strong>Input:</strong></p>

<p><code>transactions</code> table</p>

<table>
<thead>
<tr>
<th>Column</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>user_id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>created_at</code></td>
<td>DATETIME</td>
</tr>

<tr>
<td><code>product_id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>quantity</code></td>
<td>INTEGER</td>
</tr>
</tbody>
</table>
<p><code>users</code> table</p>

<table>
<thead>
<tr>
<th>Column</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>name</code></td>
<td>VARCHAR</td>
</tr>
</tbody>
</table>
<p> 
<strong>Output:</strong></p>

<table>
<thead>
<tr>
<th>Column</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>customer_name</code></td>
<td>VARCHAR</td>
</tr>
</tbody>
</table>


<p>Which of the following queries will return a list of customers and the total amount they have spent on orders?</p>


Which of the following queries will return a list of customers and the total amount they have spent on orders?

Customer Orders

Numero Data Business Intelligence Interview Questions

<p>###Strictly on W2</p><p><br></p><p><br></p><p>Required Skills:</p><ul><li>Ideal candidate should have a degree in a quantitative field (e.g., mathematics, computer science, physics, economics, engineering, statistics, operations research, quantitative social science, etc.).</li><li>Basic Knowledge on software development principles and architecture.</li><li>Good analytical and problem-solving abilities.</li><li>Ability to break down and understand complex business problems, define a solution and implement it using advanced quantitative methods.</li><li>Familiarity with programming for data analysis; ideally Python, SQL, or R.</li><li>Solid oral and written communication skills, especially around analytical concepts and methods.</li><li>Great work ethic and intellectual curiosity.</li><li>Knowledge of Cloud technologies such as AWS or Google Cloud.</li><li>Knowledge of any relational database such as My SQL.</li><li>Must be a team player with excellent communication and problem-solving skills and have experience working with customers across teams.</li></ul><p></p>

<p>Required Skills:</p><ul><li>Ideal candidate should have a degree in a quantitative field (e.g., mathematics, computer science, physics, economics, engineering, statistics, operations research, quantitative social science, etc.).</li><li>Basic Knowledge on software development principles and architecture.</li><li>Good analytical and problem-solving abilities.</li><li>Ability to break down and understand complex business problems, define a solution and implement it using advanced quantitative methods.</li><li>Familiarity with programming for data analysis; ideally Python, SQL, or R.</li><li>Solid oral and written communication skills, especially around analytical concepts and methods.</li><li>Great work ethic and intellectual curiosity.</li><li>Knowledge of Cloud technologies such as AWS or Google Cloud.</li><li>Knowledge of any relational database such as My SQL.</li><li>Must be a team player with excellent communication and problem-solving skills and have experience working with customers across teams.</li></ul><p></p>

Numero Data Business Intelligence Interview Guide

Overview

Numero Data Business Intelligence Salary

Numero Data Business Intelligence Interview Process

Numero Data Business Intelligence Interview Questions

Numero Data Business Intelligence Jobs