IBM Advisory Technical Services Specialist Interview Questions and Answers

As a Business Analyst, I can analyze my responsibilities by identifying key stakeholders, gathering requirements, and creating solutions.

• Identify key stakeholders and their needs

• Gather and document requirements

• Analyze data and create solutions

• Collaborate with cross-functional teams

• Ensure project goals are met

• Continuously improve processes

• Communicate effectively with stakeholders

A good business analyst should possess skills in data analysis, communication, problem-solving, and critical thinking.

• Strong analytical skills to interpret data and identify trends

• Excellent communication skills to effectively communicate with stakeholders

• Problem-solving skills to identify and resolve issues

• Critical thinking skills to evaluate information and make informed decisions

• Ability to prioritize tasks and manage...read more

Handling client requirements involves understanding their needs and translating them into a Software Requirements Specification (SRS).

• Listen actively to the client's needs and ask clarifying questions

• Document the requirements in a clear and concise manner

• Ensure that the requirements are feasible and align with the project goals

• Collaborate with the development team to ensure that the requirements are implemented correct...read more

To unlock a locked DataStage job, you need to find the user who has locked it and ask them to release the lock.

• Check the job status to confirm if it's locked

• Identify the user who has locked the job

• Contact the user and request them to release the lock

• If the user is not available, escalate the issue to the DataStage administrator

To optimize a DataStage job, follow these steps:

• Identify and eliminate unnecessary stages or transformations

• Reduce the amount of data being processed by filtering or aggregating

• Use parallel processing to improve performance

• Optimize the use of system resources such as memory and disk space

• Tune database connections and queries for better performance

Query to remove true duplicates

• Identify the columns that define a unique record

• Use GROUP BY to group the records by those columns

• Use HAVING to filter out groups with more than one record

• Use DELETE to remove the duplicate records

Query to find the nth highest salary for every department

• Use the RANK() function to rank salaries within each department

• Filter the results to only include the nth highest salary for each department

• Use a subquery to join the results with the department table to get department names

• Example: SELECT department_name, salary FROM (SELECT department_id, salary, RANK() OVER (PARTITION BY department_id ORDER BY salary DESC) AS ...read more