YKK Interview Questions and Answers

Union combines the result sets of two or more SELECT statements, while Union All combines all rows from two or more SELECT statements.

• Union removes duplicate rows from the result set, while Union All does not.

• Union requires that the number and order of columns in all SELECT statements be the same, while Union All does not have this requirement.

• Union is slower than Union All because it performs a distinct operation, while Union All simply concatenates the result sets.

• Example: ...read more

Scrum ceremonies are regular meetings held in Agile development to facilitate collaboration, planning, and review.

• Scrum ceremonies are time-boxed events that occur at specific intervals during a sprint.

• The ceremonies include Sprint Planning, Daily Stand-up, Sprint Review, and Sprint Retrospective.

• Sprint Planning involves determining the work to be done in the upcoming sprint.

• Daily Stand-up is a brief meeting where team members discuss progress, challenges, and plans for the d...read more

Data reconciliation is the process of comparing and verifying data between two or more sources to ensure accuracy and consistency.

• Data reconciliation involves comparing data from different sources, such as databases or files.

• It aims to identify any discrepancies or inconsistencies in the data.

• Reconciliation can be done by comparing data values, counts, or summaries.

• Examples include comparing sales data between a point-of-sale system and an inventory database.

• Data reconciliati...read more

Data acquisition is the process of collecting, gathering, and capturing data from various sources.

• Data acquisition involves retrieving data from different sources such as databases, files, APIs, or sensors.

• It is an essential step in the ETL (Extract, Transform, Load) process.

• Data acquisition can be manual or automated, depending on the source and the system being used.

• Examples of data acquisition include extracting customer information from a CRM system, importing data from a...read more

Data migration testing procedures involve verifying the accuracy, completeness, and integrity of data during the migration process.

• Identify the source and target databases

• Develop test cases to validate data migration

• Perform data mapping and transformation testing

• Verify data integrity and consistency

• Validate data completeness and accuracy

• Test data rollback and recovery procedures

• Perform performance testing on data migration

• Ensure data security during migration

Proficient in coding in C# with experience in developing various applications.

• Experienced in using C# for developing web applications, desktop applications, and APIs.

• Familiar with object-oriented programming concepts and design patterns in C#.

• Knowledgeable in using C# for database operations and integration with other technologies.

• Have worked on projects involving C# frameworks like .NET Core and ASP.NET MVC.

I have 5 years of experience in software testing.

• I have worked on various testing methodologies such as manual, automation, and performance testing.

• I have experience in testing web applications, mobile applications, and desktop applications.

• I have worked with different testing tools such as Selenium, JMeter, and Appium.

• I have experience in writing test cases, test plans, and test scripts.

• I have worked in Agile and Waterfall methodologies.

• I have experience in defect tracking a...read more