SSIS Interview Questions and Answers
Experienced / Expert level questions & answers
Ques 1. Explain the concept of checkpoints in SSIS.
Checkpoints in SSIS allow restarting a package from a specific point in case of failure. It saves the execution information at predefined checkpoints during package execution.
Ques 2. Explain the use of the SSIS Expression Task.
The SSIS Expression Task is used to evaluate expressions at runtime. It can be used to set variable values, update properties dynamically, or perform calculations during package execution.
Ques 3. Explain the term 'CDC' (Change Data Capture) in SSIS.
Change Data Capture (CDC) in SSIS is a feature that identifies and captures changes made to source data. It is used to track and process only the changed data in the data flow.
Ques 4. Explain the concept of 'SSIS Package Deployment Models.'
SSIS Package Deployment Models refer to the two deployment options: Project Deployment Model (introduced in SSIS 2012) and Package Deployment Model. Project Deployment Model is the recommended approach for deploying and managing SSIS projects.
Ques 5. What is the significance of the SSIS Term Extraction Transformation?
The SSIS Term Extraction Transformation is used to identify and extract specific terms or phrases from text data. It is commonly used in text mining or content categorization scenarios.
Ques 6. What is the purpose of the SSIS TermLookup Transformation?
The SSIS Term Lookup Transformation is used to enrich data by looking up and replacing terms with their corresponding values from a reference table. It is often used in data cleansing or standardization.
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