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Synechron
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Python project overview
Describe the purpose and goals of the project
Explain the technologies and tools used in the project
Discuss the project's architecture and design
Highlight any challenges faced and how they were overcome
Broadcast join is a type of join operation in big data processing where one of the datasets is small enough to be broadcasted to all nodes in the cluster.
Used when one dataset is small enough to fit in memory of all nodes
Reduces shuffling of data across the network
Improves performance by avoiding data transfer over the network
Repartition increases or decreases the number of partitions in a DataFrame, while coalesce only decreases the number of partitions.
Repartition involves shuffling data across the network, while coalesce tries to minimize shuffling by only creating new partitions if necessary.
Repartition is typically used when increasing the number of partitions for parallelism, while coalesce is used for decreasing partitions to optimiz...
Spark architecture is a distributed computing framework that consists of a cluster manager and worker nodes.
Consists of a cluster manager (e.g. Spark Standalone, YARN, Mesos) for resource management
Worker nodes execute tasks and store data in memory or disk
Supports various programming languages like Scala, Java, Python, and SQL
Uses Resilient Distributed Datasets (RDDs) for fault-tolerant distributed data processing
Synechron interview questions for popular designations
Seeking new challenges and growth opportunities in a different environment.
Desire for new challenges and learning experiences
Opportunity for career advancement
Seeking a better work-life balance
Interest in working with new technologies or methodologies
Some challenges faced in Specialist Testing include lack of domain knowledge, limited resources, and complex test scenarios.
Lack of domain knowledge can make it difficult to understand the requirements and functionalities of the system being tested.
Limited resources such as time, budget, and manpower can hinder the testing process and impact the quality of testing.
Complex test scenarios, especially in specialized areas...
Get interview-ready with Top Synechron Interview Questions
Basic aptitude questions and pseudo codes
Perl basic code related to hash
Collection's framework is a set of interfaces and classes that provide high-performance, high-quality implementations of data structures.
Provides interfaces like List, Set, Map for storing and manipulating collections of objects
Includes classes like ArrayList, LinkedList, HashSet, HashMap for concrete implementations
Allows for easy iteration, sorting, searching, and manipulation of collections
Supports generics to ensur
A cursor is a database object used to retrieve and manipulate data in a database management system.
A cursor allows for sequential processing of query results one row at a time.
It can be used to update or delete specific rows in a result set.
Cursors are commonly used in stored procedures and triggers.
Example: DECLARE cursor_name CURSOR FOR SELECT column1, column2 FROM table_name;
Query using listagg function to concatenate values into a single string
Use the listagg function followed by the column name and delimiter in parentheses
Specify the order by clause if needed
Can be used in SQL queries to display aggregated data
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The duration of Synechron interview process can vary, but typically it takes about less than 2 weeks to complete.
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4-9 Yrs
Not Disclosed
Pune,
Chennai
4-9 Yrs
Not Disclosed
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