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Synechron SQL and PL SQL Developer Interview Questions, Process, and Tips
Synechron SQL and PL SQL Developer Interview Experiences
1 interview found
Anonymous
I applied via Job Portal and was interviewed in Sep 2024. There was 1 interview round.
(7 Questions)
- Q1. Explain project and challenges faced in project
- Ans.
Developed a database system for a retail company to track inventory and sales
Designed database schema to store product information, sales data, and customer details
Implemented stored procedures and triggers to automate inventory updates and sales reports
Optimized SQL queries for faster data retrieval and analysis
Challenges faced included handling large volumes of data, ensuring data integrity, and meeting performance r
- Q2. Explain Types of join
- 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 either table.
- Q3. Given 2 table and explain o/p a(1,1,1,2,3) b(1,1,3,4,5) innner join left and right and cross join
- Ans.
Explanation of inner join, left join, right join, and cross join with given tables a and b.
Inner join: Returns only the rows where there is a match in both tables based on the specified condition.
Left join: Returns all rows from the left table and the matched rows from the right table. If there is no match, NULL values are returned.
Right join: Returns all rows from the right table and the matched rows from the left tab...
- Q4. What are indexs and types of indexs
- Ans.
Indexes are data structures that improve the speed of data retrieval operations in a database. There are different types of indexes.
Indexes are used to quickly locate data without having to search every row in a database table.
Types of indexes include clustered indexes, non-clustered indexes, unique indexes, and composite indexes.
Clustered indexes physically reorder the data in the table based on the index key.
Non-clus...
- Q5. Departmnet wise highest salary, and then 5 highest salary
- Ans.
To find department wise highest salary and then 5 highest salaries, use SQL queries with GROUP BY and ORDER BY clauses.
Use SQL query with GROUP BY clause to get department wise highest salary
Use ORDER BY clause to get 5 highest salaries overall
- Q6. Explain row_number, rank, dense_rank with exmaple ..
- Ans.
row_number assigns a unique sequential integer to each row, rank assigns a unique rank to each row with gaps, dense_rank assigns a unique rank to each row without gaps.
row_number assigns a unique sequential integer to each row in the result set
rank assigns a unique rank to each row in the result set with gaps between ranks
dense_rank assigns a unique rank to each row in the result set without any gaps
- Q7. Give a table teams with only one columns teamname each team play with each other ones
- Ans.
Create a table with team names where each team plays with each other once.
Create a table teams with column teamname
Insert team names into the table
Use a combination of team names to represent matches
Skills evaluated in this interview
Interview questions from similar companies
Software Developer Interview Questions & Answers
Virtusa Consulting Services
Bhuvaneswari majji
posted on 3 Jan 2025
I applied via Referral and was interviewed in Dec 2024. There were 2 interview rounds.
(3 Questions)
- Q1. Run time polymorphism code
- Q2. Linked list code
- Q3. Deep copy shallow copy differences
- Ans.
Deep copy creates a new copy of an object with its own unique memory space, while shallow copy creates a new object that references the same memory locations as the original object.
Deep copy duplicates all nested objects, while shallow copy only duplicates the references to nested objects.
Deep copy ensures that changes to the copied object do not affect the original object, while shallow copy may lead to unintended sid...
(2 Questions)
- Q1. More deep questions about polymorphism code
- Q2. Code for interchange of strings without strcpy
- Ans.
Use a loop to swap characters of two strings without using strcpy function.
Create two arrays of characters to store the strings
Use a loop to iterate through each character of the strings and swap them
Ensure to handle cases where strings have different lengths
Interview Preparation Tips
Software Developer Interview Questions & Answers
Optum Global Solutions
Preeti Charishma
posted on 26 Nov 2024
Aptitude, core concepts and a code
(2 Questions)
- Q1. What is the one thing you learnt from college club?
- Ans.
I learned the importance of teamwork and collaboration from my college club.
Developed strong communication skills by working with diverse group of individuals
Learned how to delegate tasks effectively to achieve common goals
Gained experience in problem-solving and conflict resolution through group projects
- Q2. What is the one thing you want to expereince?
- Ans.
I want to experience living in a different country and immersing myself in a new culture.
Traveling to a foreign country and learning about their customs and traditions
Trying new foods and experiencing different ways of life
Making friends with locals and exploring the local attractions
(3 Questions)
- Q1. Difference between relational and non relational dbms
- Ans.
Relational DBMS stores data in tables with predefined relationships, while non-relational DBMS stores data in flexible, schema-less formats.
Relational DBMS uses structured query language (SQL) for querying data
Non-relational DBMS can store data in various formats like key-value pairs, document-based, graph databases
Relational DBMS ensures data integrity through normalization and constraints
Non-relational DBMS offers be...
- Q2. Difference betweeen class,abstract class,interface in python
- Ans.
Class is a blueprint for creating objects, abstract class cannot be instantiated and can have abstract methods, interface is a contract for classes to implement certain methods.
Class is a blueprint for creating objects with attributes and methods.
Abstract class cannot be instantiated and can have abstract methods that must be implemented by subclasses.
Interface is a contract for classes to implement certain methods, bu
- Q3. Project related questions were asked
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Nov 2024. There were 2 interview rounds.
Basic C# coding Questions
(2 Questions)
- Q1. Questions related to Angular
- Q2. Question related to ASP.NET CORE
Sahil Kumar
SQL , CODING QUESTION PYTHON
(2 Questions)
- Q1. BASIC SQL QUESTIOS
- Q2. OOPS 4 PILLARS INHERITANCE ETC
(2 Questions)
- Q1. TELL ME ABOUT YOURSELF
- Q2. WHAT DO YOU KNOW ABOUT YOUR COMPANY
Selected
I applied via Recruitment Consulltant
(1 Question)
- Q1. Ask for basic dot net questions
Selected
I applied via LinkedIn and was interviewed in Jul 2024. There were 3 interview rounds.
Basic core java, reasoning,english
Dsa question of arrays
(3 Questions)
- Q1. Tell me about yourself
- Ans.
I am a passionate software developer with experience in Java, Python, and web development.
Experienced in Java, Python, and web development technologies
Strong problem-solving skills
Team player with excellent communication skills
- Q2. Stacks and queues
- Q3. Time complexity
Interview Preparation Tips
- java
- dsa
- arrays
- stacks
- queue
- dbms
(2 Questions)
- Q1. Query Builder, Workflow, Scheduler
- Q2. Sling Model, Servlet, OSGi , Component, Template
(2 Questions)
- Q1. Core Values, weakness
- Q2. How do you handle pressure
- Ans.
I handle pressure by staying organized, prioritizing tasks, and taking breaks when needed.
I prioritize tasks based on deadlines and importance
I break down complex tasks into smaller, manageable steps
I communicate with team members and managers about workload and deadlines
I practice stress-relief techniques such as deep breathing or taking short walks
(2 Questions)
- Q1. BASIC DDIC AND REPORTS
- Q2. What is domian? what are data element? how to create database table?
- Ans.
Domain is the area of expertise or knowledge, data elements are individual pieces of data, and database tables are structures to store data.
Domain refers to a specific area of expertise or knowledge, such as healthcare, finance, or education.
Data elements are individual pieces of data that make up a larger dataset, such as name, age, address, etc.
To create a database table, you need to define the table's structure incl...
(1 Question)
- Q1. Basics of angular, ts,js
(1 Question)
- Q1. Programming questions
(1 Question)
- Q1. Family backgroud
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Synechron SQL and PL SQL Developer Interview Process
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