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Streams are used for processing elements from a data source sequentially, while collections are used for storing and managing groups of objects.
Streams are lazy and can be processed in parallel, while collections are eager and store all elements in memory.
Streams support functional-style operations like map, filter, and reduce, while collections provide methods like add, remove, and contains.
Example: List
Loads in Informatica refer to the process of moving data from source to target in a data warehouse.
Loads involve extracting data from source systems
Transforming the data as needed
Loading the data into the target data warehouse or database
Loads can be full, incremental, or delta depending on the requirements
Example: Loading customer data from a CRM system into a data warehouse for analysis
Use GROUP BY and HAVING clause to find duplicates in a table.
Use GROUP BY to group rows with same values together
Use HAVING COUNT(*) > 1 to filter out duplicates
Example: SELECT column_name, COUNT(*) FROM table_name GROUP BY column_name HAVING COUNT(*) > 1;
Infosys interview questions for popular designations
API is a general term for any interface that allows communication between different software systems, while SOAP API is a specific type of API that uses the SOAP protocol for communication.
API is a general term for any interface that allows communication between different software systems
SOAP API is a specific type of API that uses the SOAP protocol for communication
API can use various protocols like REST, SOAP, GraphQ...
Artifacts in agile methodology are tangible by-products of the development process that provide documentation and information for the team.
Artifacts include user stories, product backlog, sprint backlog, burndown charts, and release plans.
They help in communication, planning, and tracking progress throughout the project.
Examples of artifacts are wireframes, prototypes, test cases, and design documents.
Artifacts are ess...
API testing involves testing the functionality, reliability, performance, and security of APIs.
API testing ensures that the API functions correctly, returns the expected results, and handles errors properly.
It involves testing different types of APIs such as REST, SOAP, and GraphQL.
API testing can be done manually or using automated tools like Postman, SoapUI, or JMeter.
Common features of API testing include endpoint t...
Get interview-ready with Top Infosys Interview Questions
I applied via Recruitment Consulltant and was interviewed in Oct 2024. There was 1 interview round.
I applied via Walk-in and was interviewed in Jun 2024. There were 3 interview rounds.
Taken aptitude of 45 min
Experienced processing executive with a strong background in managing operations and optimizing workflow.
Over 5 years of experience in processing and operations management
Skilled in streamlining processes to improve efficiency
Proven track record of meeting deadlines and exceeding targets
Strong leadership and communication skills
Proficient in using data analysis tools to drive decision-making
I applied via LinkedIn and was interviewed in Jul 2024. There were 2 interview rounds.
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