Wisethink Information Solutions Interview Questions and Answers

1st round written test on basic arithmetic questions, english grammar and SQL related questions.
Answers to be marked in question paper for mcqs, and write in additional sheets about SQL queries asked. This test is of 1hr 30 mins. Phones cannot be used so prepare well in advance.

Q1. Self introduction
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Q2. Okay with the SLA
Ans. 
SLA stands for Service Level Agreement, which outlines the level of service expected from a vendor.
• SLA defines the agreed upon level of service between a provider and a customer.

• It includes metrics like response time, uptime, and resolution time.

• SLAs are important for ensuring accountability and quality of service.

• Example: An SLA might specify that the vendor will respond to support tickets within 24 hours.
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Q1. What is the difference between DDL and DML?
Ans. 
DDL stands for Data Definition Language and is used to define the structure of database objects. DML stands for Data Manipulation Language and is used to manipulate data within the database.
• DDL is used to create, modify, and delete database objects such as tables, indexes, and views.

• DML is used to insert, update, delete, and retrieve data from database tables.

• Examples of DDL statements include CREATE TABLE, ALTER TABLE...read more
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Q2. How to fetch a employee record with the second highest salary from the employees table?
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Q3. What was one of the trickiest incident you have faced and how did you counter it?
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Q4. How SQL is divided?
Ans. 
SQL is divided into Data Definition Language (DDL), Data Manipulation Language (DML), Data Control Language (DCL), and Transaction Control Language (TCL).
• Data Definition Language (DDL) - used to define the structure of database objects like tables, indexes, and views. Examples include CREATE, ALTER, DROP.

• Data Manipulation Language (DML) - used to manipulate data stored in the database. Examples include SELECT, INSERT, ...read more
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Q5. How would prepare an emplyees attendance record? Create charts and graphs regarding it.
Ans. 
To prepare an employee's attendance record, I would gather data on their attendance, create charts and graphs to visualize trends and patterns.
• Gather attendance data including dates, times, and reasons for absence or tardiness

• Create a spreadsheet or database to organize the data

• Use software like Excel or Tableau to create charts and graphs showing attendance trends

• Include metrics such as overall attendance rate, late a...read more
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Q6. Difference between SQL and MYSQL
Ans. 
SQL is a standard language for managing databases, while MySQL is a specific open-source relational database management system.
• SQL is a standard language used to interact with databases, while MySQL is a specific database management system.

• SQL is an ANSI (American National Standards Institute) standard language, while MySQL is an open-source relational database management system.

• SQL can be used with various database ma...read more
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Q7. Define joins using examples.
Ans. 
Joins are used to combine rows from two or more tables based on a related column between them.
• Joins are used in SQL to retrieve data from multiple tables based on a related column.

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• Example: INNER JOIN retrieves rows from both tables where the join condition is met.

• Example: LEFT JOIN retrieves all rows from the left table and the matched rows ...read more
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Q1. What is dependency Injection
Ans. 
Dependency Injection is a design pattern where components are given their dependencies rather than creating them internally.
• In Dependency Injection, the dependencies of a component are provided from the outside rather than being created internally.

• This helps in making components more modular, testable, and easier to maintain.

• There are different types of Dependency Injection like Constructor Injection, Setter Injection,...read more
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Q2. What is joins
Ans. 
Joins are used in databases to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column
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Q1. How to position the brand into a new market?
Ans. 
Positioning a brand in a new market involves conducting market research, identifying target audience, creating a unique value proposition, and developing a marketing strategy.
• Conduct thorough market research to understand the new market's needs, preferences, and competitors.

• Identify the target audience and tailor the brand's messaging and positioning to resonate with them.

• Create a unique value proposition that differen...read more
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Q2. How will you manage your recourses to complete a project when delivery of the project is timebound.
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Q1. What is your personal experience from your last company?
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Q2. How you want to grow within a organization which works in fast pace environment.
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Q1. How soon you can join us?
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Q2. How company can contribute you for your work life balance.
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Q1. Domain specific questions
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It was Very Easy and HR was Very Friendly Nature

Q1. What Is OOOps and explain those?
Ans. 
OOOps stands for Out Of Order packets. It refers to packets that arrive at their destination out of sequence.
• OOOps can occur in network communication when packets are sent out of order and arrive at the destination in a different order than they were sent.

• This can lead to issues in data transmission and can cause delays in processing the information.

• One way to handle OOOps is by using sequence numbers in packets to ens...read more
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Q2. What is Exception Handling ?
Ans. 
Exception handling is a mechanism to handle runtime errors and prevent program crashes.
• It is a way to deal with unexpected errors or exceptional conditions in a program.

• Exceptions can be caught and handled using try-catch blocks.

• Common exceptions include NullPointerException, ArrayIndexOutOfBoundsException, and IOException.

• Handling exceptions properly can improve the robustness and reliability of a software application
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Q1. Tell me about yourself
Ans. 
I am a dedicated and experienced Virtual Relationship Manager with a passion for building strong connections and providing excellent customer service.
• Over 5 years of experience in virtual relationship management

• Skilled in communication, problem-solving, and relationship-building

• Proven track record of exceeding customer satisfaction goals

• Proficient in CRM software and virtual communication tools
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Q2. Why do you want to join
Ans. 
I am passionate about leveraging technology to enhance customer relationships and provide personalized solutions.
• Passionate about using technology to improve customer relationships

• Excited about providing personalized solutions

• Believe in the importance of virtual communication in today's digital world
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There was total of 40 questions
First 20: Aptitude based topics like time and work, profit and loss, speed and distance
Second 20: Programming MCQs based on C, C++ and python. Task is to guess the correct output and errors.

There were 4 coding questions based on array, 2 SQL queries and one article.
Coding questions were easy for batch 2 but difficult for batch 1. Star patterns are present in batch 1.
SQL queries were easy.
One article (200-300)words. Topics was Google maps.

Q1. Founder came and asked approach I used to solve coding questions in round 2. He then check the output for each question. Then he checked the SQL queries I have written, in which I had write two wrong queri...read more
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Q2. He asked me about different approaches to solve a problem
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Q3. He asked about the project I had done on Java Full stack.
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