HCL Infosystems Officer Interview Questions and Answers for Freshers

Union combines and removes duplicates, Union All combines all rows including duplicates.

• Union merges two or more tables and removes duplicate rows.

• Union All merges two or more tables and includes all rows, including duplicates.

• Union is slower than Union All as it requires removing duplicates.

• Example: SELECT column1 FROM table1 UNION SELECT column1 FROM table2;

• Example: SELECT column1 FROM table1 UNION ALL SELECT column1

Smoke testing is a quick and shallow test to check if the basic functionalities of the software are working. Sanity testing is a more in-depth test to check if the major functionalities are working as expected.

• Smoke testing is done to ensure that the software is stable enough for further testing.

• Sanity testing is done to ensure that the major functionalities of the software are working as expected.

• Smoke testing is a su...read more

SDLC is Software Development Life Cycle, STLC is Software Testing Life Cycle, and Bug Life Cycle is the process of a bug from discovery to resolution.

• SDLC is a process that outlines the development of software from conception to delivery.

• STLC is a process that outlines the testing of software from planning to execution.

• Bug Life Cycle is the process of a bug from discovery to resolution, including steps like reporting, ...read more

Severity is based on impact on system functionality, priority is based on business needs.

• Severity is determined by the impact of the defect on the system functionality

• Priority is determined by the business needs and urgency of the defect

• Defects with high severity and high priority should be fixed first

• Severity levels can be categorized as critical, major, minor, and cosmetic

• Priority levels can be categorized as high, m

The biggest challenge in my career has been managing tight deadlines and delivering high-quality software.

• Managing tight deadlines

• Delivering high-quality software

• Balancing speed and quality

• Coordinating with cross-functional teams

• Adapting to changing requirements

Discuss with developer and provide evidence to support the defect.

• Schedule a meeting with the developer to discuss the defect.

• Provide evidence such as screenshots, logs, or test results to support the defect.

• Collaborate with the developer to understand their perspective and come to a resolution.

• If necessary, escalate the issue to a higher authority for further review.