SSIS preguntas y respuestas de entrevista
Pregunta 1. What is SSIS?
SSIS (SQL Server Integration Services) is a part of the Microsoft SQL Server database software that is used for solving complex business problems by copying or downloading files, extracting and transforming data from different data sources, and loading data into one or multiple destinations.
Pregunta 2. Explain the control flow in SSIS.
Control flow in SSIS defines the workflow and order of execution of tasks. It includes containers, tasks, and precedence constraints to manage the flow of execution.
Pregunta 3. What is a data flow in SSIS?
Data flow in SSIS is a pipeline that moves data from source to destination. It includes data sources, transformations, and destinations for defining the flow of data.
Pregunta 4. Explain the difference between a transformation and a task in SSIS.
Transformations in SSIS are used to modify or manipulate data, while tasks are used to control the flow of execution. Transformations are part of the data flow, and tasks are part of the control flow.
Pregunta 5. What is a connection manager in SSIS?
A connection manager in SSIS is a link between a package and a data source or a destination. It stores the connection information needed to connect to the external data source or destination.
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