HCLTech Ssis Developer Interview Questions and Answers

To load flat file sources into SQL Server, use SSIS to extract, transform, and load data efficiently.

• Create an SSIS package using SQL Server Data Tools (SSDT).

• Use a Flat File Connection Manager to define the source file's format.

• Add a Data Flow Task to the Control Flow to manage data extraction.

• Use a Flat File Source component to read data from the flat file.

• Transform data if necessary using transformations like Derive...read more

To find file count in source folder and check if files exist, use SSIS Script Task with C# code.

• Create a SSIS package with Script Task

• Write C# code to get file count and check if files exist

• Use System.IO namespace to access files and folders

• Use Directory.GetFiles() method to get all files in folder

• Use File.Exists() method to check if file exists

• Use a variable to store file count and use it in subsequent tasks

Yes, I have done performance tuning in SSIS.

• Identify bottlenecks using performance counters and logging

• Optimize data flow by using appropriate transformations and buffer sizes

• Use parallelism and concurrency to improve performance

• Minimize network traffic by compressing data and using bulk load operations

• Use caching and lookup transformations to reduce database queries

• Profile and test the package to validate performance ...read more

Yes, I have implemented logging in my projects.

• I use log4net library for logging.

• I log all the important events and errors in the application.

• I store the logs in a separate file or database table.

• I also use different log levels to differentiate between different types of logs.

• I regularly review the logs to identify any issues or areas of improvement.

Yes, I have implemented error handling in my SSIS projects.

• I always include a try-catch block in my SSIS packages to handle errors.

• I use event handlers to log errors and send notifications.

• I also use data flow transformations like Conditional Split and Derived Column to handle errors.

• I have experience with custom error handling using Script Task and .NET code.

• I make sure to test my error handling thoroughly to ensure i...read more

Workflow, trigger, reports, roles, profiles, permission set, and sharing rules are all important features in Salesforce.

• Workflow is a series of automated steps that can be used to streamline business processes.

• Triggers are used to execute code before or after a record is inserted, updated, or deleted.

• Reports are used to display data in a visual format, such as a table or chart.

• Roles are used to define the hierarchy of ...read more

I'm seeking new challenges and opportunities for growth that align with my career goals and aspirations.

• Desire for professional growth: I'm looking to expand my skill set and take on more leadership responsibilities.

• Seeking a better cultural fit: My current company has a different work culture than what I thrive in; I value collaboration and innovation.

• Interest in new technologies: I'm excited about working with cuttin...read more