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TransUnion Data Engineer Interview Questions and Answers
TransUnion Data Engineer Interview Experiences
1 interview found
Anonymous
I appeared for an interview in Jan 2024.
(2 Questions)
- Q1. What joins you used
- Ans.
I have used various types of joins including inner join, left join, right join, and full outer join.
Used inner join to retrieve records that have matching values in both tables
Utilized left join to retrieve all records from the left table and matching records from the right table
Employed right join to retrieve all records from the right table and matching records from the left table
Utilized full outer join to retrieve ...
- Q2. Write query for joins
- Ans.
Query for joins in SQL to combine data from multiple tables
Use JOIN keyword to combine data from two or more tables based on a related column
Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I applied via Referral and was interviewed before Apr 2021. There were 2 interview rounds.
(2 Questions)
- Q1. Introduction, skills set we have
- Q2. Introduction, expecting salary
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Jun 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Data structures
Interview Preparation Tips
Interview Questionnaire
3 Questions
- Q1. Technically discussed about my previous roles and domain
- Q2. HR got selected me once cleared Technically
- Q3. Also HR Selected me once agreed package
Interview Preparation Tips
Experience: My resume shortlisted based on my previous experience
Selected
I applied via Campus Placement and was interviewed before Mar 2023. There were 3 interview rounds.
Easy round with normal pattern matching ques
Topic was given than all are told to speak
(2 Questions)
- Q1. Normal ques related to offer
- Q2. Why do you want to join
Interview Preparation Tips
Praveen Kumar
Selected
I applied via Referral and was interviewed before Jan 2023. There were 3 interview rounds.
General knowledge
English knowledge
(1 Question)
- Q1. Self and technical
SHIVVACHAN PANDEY
(3 Questions)
- Q1. Angular life cycle
- Q2. NgRX state management
- Q3. Let var const difference, this keyword
- Ans.
var, let, const are used to declare variables in JavaScript. 'this' keyword refers to the current object.
var is function-scoped, let is block-scoped, const is block-scoped and cannot be reassigned
'this' keyword refers to the current object in which it is used
Example: var x = 10; let y = 20; const z = 30; this.name = 'John';
Skills evaluated in this interview
madhusudan yadav
Selected
I appeared for an interview before Mar 2024, where I was asked the following questions.
- Q1. Mpls bgp ebgp & ibgp
- Q2. Commands of juniper and cisco
- Ans.
Juniper and Cisco use different command-line interfaces for network configuration and management.
Cisco uses 'enable' to enter privileged mode; Juniper uses 'cli'.
To view interfaces, Cisco uses 'show ip interface brief'; Juniper uses 'show interfaces terse'.
For configuration, Cisco uses 'configure terminal'; Juniper uses 'edit'.
To save configuration, Cisco uses 'write memory'; Juniper uses 'commit'.
Cisco commands often ...
- Q3. Ospf states of ospf
- Ans.
OSPF has several states that define the relationship between routers in a network, facilitating efficient routing.
1. Down: Initial state where no hello packets have been received.
2. Init: A router has received a hello packet but hasn't established a neighbor relationship.
3. Two-Way: Routers have exchanged hello packets and can see each other as neighbors.
4. ExStart: Routers negotiate the master/slave relationship for d...
Interview Preparation Tips
I applied via Job Portal
Provided sales case study, asked to analyse the same ans provide insights
Selected
I applied via Naukri.com and was interviewed before Feb 2022. There were 3 interview rounds.
(1 Question)
- Q1. About telecom products oss,netact,
(1 Question)
- Q1. Work experience salary negotiable
Interview Preparation Tips
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TransUnion Data Engineer Interview Process
based on 1 interview
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based on 5 reviews
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