HCL Group Senior Support Engineer Interview Questions and Answers

Files in SSIS can be iterated using Foreach Loop Container or Script Task.

• Use Foreach Loop Container to iterate through a list of files in a specified directory.

• Set the Enumerator type to 'Foreach File Enumerator' and configure the necessary properties like file extension, file path, etc.

• Alternatively, use a Script Task to programmatically iterate through files and perform custom actions.

Checkpoint in SSIS is a feature that allows packages to restart from a specific point in case of failure.

• Checkpoints are used to save the state of the package at specific points during execution.

• They help in resuming package execution from the last successful checkpoint in case of failure.

• Checkpoints can be configured at the package level or at the task level.

• They are useful in scenarios where long-running packages nee...read more

SSIS expressions are used to dynamically set property values at runtime in SQL Server Integration Services packages.

• SSIS expressions are written using a combination of functions, operators, and constants.

• Expressions can be used to set properties such as connection strings, file paths, and SQL queries.

• Expressions can be used to make packages more flexible and reusable.

• For example, an expression can be used to dynamicall...read more