Denisys Technologies Interview Questions and Answers

Q1. Strecture of sql statement
Ans. 
SQL statements are used to interact with databases by performing operations like querying, updating, and deleting data.
• SQL statements are made up of keywords like SELECT, INSERT, UPDATE, DELETE, etc.

• They are structured in a specific order, with clauses like WHERE, ORDER BY, GROUP BY, etc.

• Tables are referenced using their names, and conditions are specified to filter data.

• Joins can be used to combine data from multiple
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30 mintues, relationship topics

Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Why should we hire you?
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Q4. What are your strengths and weaknesses?
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Q5. Tell me about yourself.
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Question are hard in panel

Q1. What is the current ctc
Ans. 
I am currently earning a salary of $60,000 per year.
• My current annual salary is $60,000

• I am earning $5,000 per month

• My total compensation package is $60,000
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Q2. What is the company name
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The company name is XYZ Corporation, a leading data analytics firm specializing in providing insights for businesses.
• XYZ Corporation is a data analytics firm

• Specializes in providing insights for businesses
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Q3. Gammon India Ltd
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It is very good in study for
Further studies.

Q1. More than technology,a senior recruiter asks where you stay which gali you stay,which temple is near by,what your husband do,getting into more personal and final he will ask your janam kundali and tell you...read more
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Q1. Senior recruiter will ask more personal questions
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Q1. They asked about OPS, Data design and coding pattern
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Q2. About my coding pattern
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Q1. What programming language are you most proficient?
Ans. 
I am most proficient in Java.
• Extensive experience in developing applications using Java

• Strong understanding of object-oriented programming principles

• Familiarity with popular Java frameworks like Spring and Hibernate
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Q2. .NET, Angular and Sql Server
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Q1. How would you design a system that needs to handle million of records
Ans. 
I would design a system using scalable architecture, efficient data storage, and optimized query processing.
• Utilize a distributed database system like Cassandra or Hadoop for storing large volumes of data

• Implement data partitioning and sharding to distribute the data across multiple servers

• Use indexing and caching mechanisms to optimize query performance

• Employ load balancing techniques to evenly distribute incoming req...read more
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Q1. Normal introduction was asked
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Q2. Description of the previous role
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Q3. Roles and responsibilities
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Not applicable , this was final round

Q1. Difference between absolute xpath and relative xpath
Ans. 
Absolute xpath specifies the complete path from the root element to the desired element, while relative xpath specifies the path relative to the current element.
• Absolute xpath starts with a single forward slash (/) and is more specific.

• Relative xpath starts with a double forward slash (//) and is more flexible.

• Absolute xpath is more prone to breaking if the structure of the page changes.

• Relative xpath is easier to main...read more
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