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Soulilution IT Services Data Executive Interview Questions and Answers
Soulilution IT Services Data Executive Interview Experiences
1 interview found
I applied via Referral and was interviewed before Aug 2021. There was 1 interview round.
(1 Question)
- Q1. Tell me something about yourself?
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Data Engineer Interview Questions & Answers
Virtusa Consulting Services
SHIKHA
posted on 31 Dec 2024
(4 Questions)
- Q1. What is the architecture of Apache Spark?
- Ans.
Apache Spark architecture includes a cluster manager, worker nodes, and driver program.
Apache Spark architecture consists of a cluster manager, which allocates resources and schedules tasks.
Worker nodes execute tasks and store data in memory or disk.
Driver program coordinates tasks and communicates with the cluster manager.
Spark applications run as independent sets of processes on a cluster, coordinated by the SparkCon...
- Q2. What is the difference between the reduceBy and groupBy transformations in Apache Spark?
- Ans.
reduceBy is used to aggregate data based on key, while groupBy is used to group data based on key.
reduceBy is a transformation that combines the values of each key using an associative function and a neutral 'zero value'.
groupBy is a transformation that groups the data based on a key and returns a grouped data set.
reduceBy is more efficient for aggregating data as it reduces the data before shuffling, while groupBy shu...
- Q3. What is the difference between RDD (Resilient Distributed Datasets) and DataFrame in Apache Spark?
- Ans.
RDD is a low-level abstraction representing a distributed collection of objects, while DataFrame is a higher-level abstraction representing a distributed collection of data organized into named columns.
RDD is more suitable for unstructured data and low-level transformations, while DataFrame is more suitable for structured data and high-level abstractions.
DataFrames provide optimizations like query optimization and code...
- Q4. What are the different modes of execution in Apache Spark?
- Ans.
The different modes of execution in Apache Spark include local mode, standalone mode, YARN mode, and Mesos mode.
Local mode: Spark runs on a single machine with one executor.
Standalone mode: Spark runs on a cluster managed by a standalone cluster manager.
YARN mode: Spark runs on a Hadoop cluster using YARN as the resource manager.
Mesos mode: Spark runs on a Mesos cluster with Mesos as the resource manager.
Oracle Database Administrator Interview Questions & Answers
Sutherland Global Services
Anonymous
posted on 28 Sep 2024
Selected
I applied via Campus Placement and was interviewed in Aug 2024. There were 8 interview rounds.
Database Management system SQL and PlSQL
Database Base Management system SQL and PlSQL
Database Management system
Database Management system
Database Management system
Database Management system
Database Base Management system
(5 Questions)
- Q1. Database Management system
- Q2. SQL and PlSQL Mango Data And Manu Database Management system
- Q3. C Language and C++Language and Java
- Q4. Data Analysis and Data entry
- Q5. DBMS C,C++ Java Data Entry Ms Excel Ms Word Ms PP
Interview Preparation Tips
Oracle Database Administrator Interview Questions & Answers
Hexaware Technologies
Anonymous
posted on 22 Oct 2024
(2 Questions)
- Q1. How to sync primary and standby?
- Ans.
Primary and standby databases can be synced using Data Guard in Oracle.
Configure Data Guard on primary and standby databases
Enable redo transport services
Monitor and resolve any synchronization issues
Perform switchover or failover when necessary
- Q2. Performance tuning?
(2 Questions)
- Q1. Why you want to change the job?
- Ans.
Seeking new challenges and growth opportunities in a dynamic environment.
Looking for new challenges to enhance my skills and knowledge
Seeking growth opportunities for career advancement
Interested in working in a more dynamic and innovative environment
- Q2. Expected salary.
Skills evaluated in this interview
Selected
I applied via Job Portal and was interviewed in Mar 2024. There was 1 interview round.
(5 Questions)
- Q1. How many experience in working?
- Q2. What is your qualification?
- Q3. Where did you work earlier?
- Q4. Why did you leave work in the first place?
- Q5. Why do you need a job?
Interview Preparation Tips
- Computer Skills
- Data Entry
- Organization Skills
- English Typing
- Customer Relationship
- Customer Service Operations
Tailor your resume and cover letter. ...
Be prepared for anything. ...
Act kindly to everyone. ...
Apply to jobs you are under-qualified for. ...
Send follow-up emails. ...
Keep track of the jobs you apply to. ...
Learn job keywords.
I applied via LinkedIn and was interviewed in Nov 2024. There was 1 interview round.
(1 Question)
- Q1. Proficiency in data analytics tool level?
(2 Questions)
- Q1. Sql questions were
- Q2. Spark related aswell
Selected
I applied via LinkedIn and was interviewed in Jan 2024. There were 4 interview rounds.
(2 Questions)
- Q1. Python pandas SQL Tableau
- Q2. List vs tuple difference
- Ans.
List and tuple are both sequence data types in Python, but the main difference is that lists are mutable while tuples are immutable.
Lists are enclosed in square brackets [], while tuples are enclosed in parentheses ().
Lists can be modified by adding, removing, or changing elements, while tuples cannot be modified once created.
Lists are typically used for collections of similar items, while tuples are used for heterogen...
(1 Question)
- Q1. SQL ,python problem solving
(1 Question)
- Q1. Manager Discussion
(1 Question)
- Q1. Salary discussion
Skills evaluated in this interview
1 ques of pyspark based on time series
(2 Questions)
- Q1. Sql questions on window functions Question on List Project related ques
- Q2. Basic ques on Aws like glue lambda
1 hour 100 question mcq
(2 Questions)
- Q1. Introduce your self
- Q2. Brief on data structure
- Ans.
Data structure refers to the way data is organized and stored in a computer system.
Data structure determines how data can be accessed, modified, and processed.
Examples include arrays, linked lists, stacks, queues, trees, and graphs.
Skills evaluated in this interview
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Data Services Executive
4
salaries
|  ₹1.8 L/yr - ₹2 L/yr |
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Data Entry Executive
3
salaries
| ₹1.8 L/yr - ₹4.2 L/yr |
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QA QC Executive
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Data Executive
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| ₹2 L/yr - ₹2.3 L/yr |
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Softwaretest Engineer
3
salaries
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