The Zt systems Business Intelligence interview guide, interview questions, salary data, and interview experiences.

Zt systems Business Intelligence Interview Guide

<p>Getting ready for an Business Intelligence interview at Zt systems? The Zt systems 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 Zt systems Business Intelligence roles.</li>
<li>Gain insights into the Business Intelligence interview process at Zt systems.</li>
<li>Practice real Zt systems 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 Zt systems Business Intelligence interview.</p>


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

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

Overview

Zt systems 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.

Zt systems 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>You’ve been asked to analyze the player’s behaviors at a gaming company.</p>

<p>Write a query to get the number of players who played between 5 and 10 games (5 and 10 excluded), and the number of players who played 10 games or more.</p>

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

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

<p><strong><code>players</code></strong> table</p>

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

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

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

<tr>
<td>games_played</td>
<td>INTEGER</td>
</tr>

<tr>
<td>registered_at</td>
<td>TIMESTAMP</td>
</tr>
</tbody>
</table>
<p><strong>Output:</strong></p>

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

<tbody>
<tr>
<td>players_more_than_5_to_10_games</td>
<td>INTEGER</td>
</tr>

<tr>
<td>players_10_plus_games</td>
<td>INTEGER</td>
</tr>
</tbody>
</table>


Obtain count of players based on games played.

Player Analysis

<p>What are the logistic and softmax functions? What is the difference between the two?</p>

<p>What makes them useful for use in logistic regression?</p>


<p>In logistic regression, how is the predicted class determined based on the logistic function?</p>


In logistic regression, how is the predicted class determined based on the logistic function?

Softmax vs Logistic II

<p>What is the key characteristic of the logistic function that makes it useful for mapping continuous values to a probability?</p>


What is the key characteristic of the logistic function that makes it useful for mapping continuous values to a probability?

Softmax vs Logistic I

What are the logistic and softmax functions? What is the difference between the two?

Softmax vs Logistic

Zt systems Business Intelligence Interview Questions

<b>About the Role</b> <br><br>We are looking for a passionate Senior Data Engineer who will be predominantly involved in developing solutions for enterprise data warehousing, reporting and business intelligence initiatives. Work with the business users and functional and development teams to collect, analyze, and document requirements. Work on designing, coding, testing, and scheduling ETL programs to support the enterprise and reporting data warehouse. <br><br>Our ideal candidates are familiar with various data collection and visualization products and solutions and have hands-on experience with end-to-end development. <b>This is a fulltime role that reports to our Secaucus, NJ office five days a week. Please apply only if this criteria matches your expectations.</b> <br><br><b>What You Will Do</b> <br><ul> <li>Understand technical requirements and develop data models usable by users and efficient for ETLs. </li><li>Organize, design, develop ETL workflows from heterogeneous data sources and dashboards for scalable, refreshable analysis and reporting </li><li>Assist with impact analysis of changing upstream processes to Data Warehouse and Reporting systems. </li><li>Supporting analysts with data queries and dashboard creation used for business decision making and performance monitoring. </li><li>Writes technical documentation (design specifications, data model diagrams, data flow diagrams, Configuration Management, Production Support documents etc.,). </li><li>Adhere to development standards, time tracking, policies and change management process </li><li>Monitors developed ETL processes in production, and trouble-shoots production problems when they occur. </li></ul>What You Will Need <ul> <li>Bachelor's degree in related field required, or advanced degree with equivalent work experience </li><li>2+ years of relevant experience in software application development, information technology or a related field </li><li>Minimum of 2 years of experience as a data warehouse or ETL developer. </li><li>Understanding of database management systems, online analytical processing (OLAP) and ETL (Extract, transform, load) framework. </li><li>Proficient knowledge in MS SQL queries, SSIS. </li><li>Working knowledge of Microsoft Power BI, Tableau. </li><li>Knowledge of at least one ERP system/functions such as SAP, Syspro, Oracle etc., is a plus but not required. </li><li>Must have ability to translate requirements to technical implementation </li><li>Strong verbal communication skill and team collaboration consensus required </li><li>Analytical mind with a problem-solving aptitude </li><li>Ability to work independently and with a team on simultaneous tasks in a fast-paced environment with emphasis on accuracy and timeliness </li></ul><br><br><strong><b>About ZT Systems</b></strong> <br><br>At ZT Systems, you'll get to do work you are proud of alongside smart, passionate people. Every day, there are opportunities to collaborate with the best in the industry to design, build, and deliver impactful solutions to world-class customers. Along the way, you will gain hands-on experience in a face-paced environment that's challenging, rewarding, and career-defining. <br><br>A culture built around our values we work hard and think fast. We view challenges as opportunities-to do better, push harder, and be faster than we were the day before. When we fail, we learn from it and move on together. And when we succeed, we use the momentum to go even further. We create value with everything we do, building the foundation of today-and transforming the future of tomorrow. <br><br>Join ZT Systems and help us build technology infrastructure that connects the world. <br><br><strong><b>What We Offer</b></strong> <br><br>When you join ZT, you'll enjoy a range of world-class, inclusive employee benefits designed to grow with you and our company. From competitive compensation to 401K matching to comprehensive health & wellness programs and tuition reimbursement, ZT Systems offers industry leading benefits packages for eligible employees designed to help you get the most out of life. <br><br>ZT Group Int'l. is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind. ZT Systems provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

Zt systems Business Intelligence Interview Guide

Overview

Zt systems Business Intelligence Salary

Zt systems Business Intelligence Interview Process

Zt systems Business Intelligence Interview Questions

Zt systems Business Intelligence Jobs