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Synechron SQL Server Developer Interview Questions, Process, and Tips

Updated 21 Oct 2024

Synechron SQL Server Developer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.

Round 1 - Technical 

(13 Questions)

  • Q1. What are Types of joins
  • Ans. 

    Types of joins in SQL are Inner Join, Left Join, Right Join, and Full Join.

    • Inner Join: Returns rows when there is a match in both tables.

    • Left Join: Returns all rows from the left table and the matched rows from the right table.

    • Right Join: Returns all rows from the right table and the matched rows from the left table.

    • Full Join: Returns rows when there is a match in one of the tables.

  • Answered by AI
  • Q2. Difference between groupby and having clause
  • Ans. 

    GROUP BY is used to group rows that have the same values into summary rows, while HAVING is used to filter groups based on a specified condition.

    • GROUP BY is used with aggregate functions to group the result set by one or more columns.

    • HAVING is used to filter groups based on a specified condition after the GROUP BY clause.

    • GROUP BY is used before the HAVING clause in a query.

    • Example: SELECT department, COUNT(*) FROM empl

  • Answered by AI
  • Q3. What are DML commands
  • Ans. 

    DML commands are Data Manipulation Language commands used to manage data in a database.

    • DML commands include INSERT, UPDATE, DELETE, and SELECT.

    • INSERT is used to add new rows of data into a table.

    • UPDATE is used to modify existing data in a table.

    • DELETE is used to remove rows of data from a table.

    • SELECT is used to retrieve data from a database.

  • Answered by AI
  • Q4. Difference between Primary key and Unique key
  • Ans. 

    Primary key uniquely identifies each record in a table, while Unique key allows only one instance of a value in a column.

    • Primary key does not allow NULL values, while Unique key allows one NULL value.

    • Primary key automatically creates a clustered index, while Unique key creates a non-clustered index by default.

    • Primary key can be referenced by foreign keys, while Unique key cannot be referenced by foreign keys.

  • Answered by AI
  • Q5. What are Index and types of index
  • Ans. 

    Indexes are data structures that improve the speed of data retrieval operations in a database.

    • Indexes are used to quickly locate data without having to search every row in a database table.

    • Types of indexes include clustered, non-clustered, unique, and composite indexes.

    • Clustered indexes determine the physical order of data in a table, while non-clustered indexes store a separate copy of the indexed columns.

    • Unique index...

  • Answered by AI
  • Q6. What is execution plan
  • Ans. 

    Execution plan is a roadmap that SQL Server uses to execute a query, showing the steps taken to retrieve data.

    • Execution plan is generated by the query optimizer to determine the most efficient way to execute a query.

    • It shows the order in which tables are accessed, joins are performed, and filters are applied.

    • Execution plan can be viewed using tools like SQL Server Management Studio or by using the EXPLAIN statement in

  • Answered by AI
  • Q7. Explain about your Project ? challenges faced
  • Q8. Write a sql query depart wise max salary
  • Ans. 

    SQL query to retrieve the maximum salary for each department

    • Use the MAX() function to find the maximum salary

    • Group the results by department using the GROUP BY clause

    • Join the employee table with the department table to get the department information

  • Answered by AI
  • Q9. Given a table TEAM with only one column teamname, write a sql query where each team play with each other , no duplicate match
  • Q10. Provide o/p for innerjoin, left join, right join, cross join on a(1,1,1,2,2,3) b(1,1,2,4)
  • Ans. 

    Different types of SQL joins with given data sets a and b.

    • Inner join: Returns rows where there is a match in both tables (1,1)

    • Left join: Returns all rows from the left table and the matched rows from the right table (1,1,1,2,2)

    • Right join: Returns all rows from the right table and the matched rows from the left table (1,1,2,4)

    • Cross join: Returns the Cartesian product of the two tables (1,1,1,1,1,2,1,4,1,1,2,1,2,2,1,4,2,...

  • Answered by AI
  • Q11. Row_number, rank, dense_rank with example
  • Ans. 

    row_number, rank, dense_rank are window functions in SQL used to assign a unique number to each row based on specified criteria.

    • row_number() assigns a unique sequential integer starting from 1 to each row in the result set

    • rank() assigns a unique rank to each row based on the specified ordering criteria, with gaps in ranking for ties

    • dense_rank() assigns a unique rank to each row based on the specified ordering criteria,

  • Answered by AI
  • Q12. What is trigger
  • Ans. 

    A trigger is a special type of stored procedure that automatically executes when certain events occur in a database.

    • Triggers can be used to enforce business rules, maintain referential integrity, and automate repetitive tasks.

    • Examples of trigger events include INSERT, UPDATE, and DELETE operations on a table.

    • Triggers can be defined to execute before or after the triggering event.

  • Answered by AI
  • Q13. Diffrenc between function and store procedure
  • Ans. 

    Functions return a value, while stored procedures do not. Functions can be used in SELECT statements, stored procedures cannot.

    • Functions return a single value, while stored procedures can return multiple values or none at all.

    • Functions can be used in SELECT statements to return a value, while stored procedures cannot be used in this way.

    • Functions can be called from within stored procedures, but stored procedures cannot

  • Answered by AI

Skills evaluated in this interview

Sun Pharmaceutical Industries

Join us and thrive in a company culture that inspires and empowers.

Interview questions from similar companies

I applied via Walk-in and was interviewed before Dec 2020. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. Basic Programming questions.
  • Q2. Fibonacci program
  • Q3. OOPS concepts.

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare basic OOPS concepts and basic programs.

I applied via Naukri.com and was interviewed in Aug 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Oops Concepts and Data Structure Questions.

Interview Preparation Tips

Interview preparation tips for other job seekers - Oops And Data Structure, Collection.

I applied via Campus Placement and was interviewed before Feb 2020. There were 6 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Was interviewed as fresher?
  • Q2. Written test conducted? with verbal ability test ? GD
  • Q3. How would u deal with a problematic situation when you are working in a team?
  • Q4. What are your plans about higher studies?

Interview Preparation Tips

Interview preparation tips for other job seekers - it was basic with apptiude test and attitiude test.

Interview Questionnaire 

2 Questions

  • Q1. They asked me on java and I have joined as a fresher they not much questions as I got selected as fresher on oops concepts and collections
  • Q2. Please be confident while facing interview and they will check your communication skills

I applied via Company Website and was interviewed before Feb 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. They asked about dbms questions in the form of table formate
  • Q2. They asked code for some python program

Interview Preparation Tips

Interview preparation tips for other job seekers - Firstly they conducted computer based technical exam and then after qualifying that then we will go for face face interview and then lastly HR round will be held.

I applied via Campus Placement and was interviewed in Oct 2020. There were 4 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. Wap of bubble sort
  • Ans. 

    Bubble sort is a simple sorting algorithm that repeatedly steps through the list, compares adjacent elements and swaps them if they are in the wrong order.

    • Start from the first element and compare it with the next element

    • If the next element is smaller, swap them

    • Repeat this process for all elements in the array

    • Continue this process until no more swaps are needed

  • Answered by AI
  • Q2. Wap of prime number
  • Ans. 

    A program to print all prime numbers

    • Take input from user for range of numbers

    • Loop through the range and check if each number is prime

    • Print the prime numbers

  • Answered by AI
  • Q3. What is hashmap?
  • Ans. 

    Hashmap is a data structure that stores key-value pairs and allows constant time access to values based on their keys.

    • Hashmap uses a hash function to map keys to indices in an array.

    • Collisions can occur when multiple keys map to the same index, which can be resolved using techniques like chaining or open addressing.

    • Examples of hashmap implementations include Java's HashMap class and Python's dict type.

  • Answered by AI
  • Q4. What is inheritance
  • Ans. 

    Inheritance is a mechanism in object-oriented programming where a new class is created by inheriting properties of an existing class.

    • Inheritance allows code reuse and promotes code organization.

    • The existing class is called the parent or superclass, and the new class is called the child or subclass.

    • The child class inherits all the properties and methods of the parent class and can also add new properties and methods.

    • For...

  • Answered by AI
  • Q5. Call by value and call by reference

Interview Preparation Tips

Interview preparation tips for other job seekers - Be yourself

Skills evaluated in this interview

I applied via Walk-in and was interviewed in Mar 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Introduction your self in interview

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview should be very easy and comfortable to the students. And be confident at the infront of interviewer

Interview Questionnaire 

1 Question

  • Q1. About my college projects and about my passion

I was interviewed in Mar 2021.

Interview Questionnaire 

1 Question

  • Q1. .net core , mvc basics and some scripting language

Interview Preparation Tips

Interview preparation tips for other job seekers - Stick to basics , know about your current project . If interviewer asks you if you have to ask anything , do ask . For my case I asked for his advice where I need to improve. He answered genuinely and even came to know about my other technical skills .
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Synechron Interview FAQs

How many rounds are there in Synechron SQL Server Developer interview?
Synechron interview process usually has 1 rounds. The most common rounds in the Synechron interview process are Technical.
How to prepare for Synechron SQL Server Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Synechron. The most common topics and skills that interviewers at Synechron expect are .Net, C#, DDL, Development and Dml.
What are the top questions asked in Synechron SQL Server Developer interview?

Some of the top questions asked at the Synechron SQL Server Developer interview -

  1. provide o/p for innerjoin, left join, right join, cross join on a(1,1,1,2,2,3)...read more
  2. what are Index and types of in...read more
  3. difference between groupby and having cla...read more

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Synechron SQL Server Developer Interview Process

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