SSIS stands for SQL Server Integration Services. It is a platform for Data integration and Workflow applications. It can perform operations like Data Migration and ETL.
E – Merging of data from heterogeneous data stores. This process is known as EXTRACTION.
T – Refreshing data in the data warehouses and data marts. The used to cleanse data before loading to remove errors. This process is known as TRANSFORMATION.
L – Load of data into Online Transaction Processing and Online Analytical Processing databases. This process is known as LOADING.
Tools used for the development of SSIS projects are
1.BIDS (Business Intelligence Development Studio).
2. SSMS (SQL Server Management Studio).
BIDS: – It is a tool to develop the SSIS packages. It is available with SQL Server as an interface. which provides the developers to work on the control flow of the package step by step.
SSMS: – It provides different options to make an SSIS package such as Import Export wizard. With this wizard, we can create a structure on how the data flow should happen. Created package deployed further as per the need.
Now, you must be hitting your head to know about Data flow and Control flow. So, Data flow means extracting data into the server’s memory transform. it writes it out to an alternative destination. whereas Control flow means a set of instructions specify the Program Executor. The execute tasks and containers within the SSIS Packages.
SSIS Designer
SSIS Designer is a graphical tool. That use to create and maintain Integration Services packages. It is available in Business Intelligence Development Studio of an Integration Services project.
Runtime engine
The runs packages, logging, breakpoints, configuration, connections, and transactions save Integration Services runtime.
Tasks and other executables
The executables package, containers, tasks, and event handlers that Integration Services includes. Run-time executables also include custom tasks develop.
Data Flow engine and Data Flow components
The Data Flow task encapsulates the data flow engine. The data flow engine provides in-memory buffers move data from source to destination. Calls the sources that extract data from files and relational databases. The data flow engine also manages the transformations. That change data, destinations load data or make data available to other processes. Integration Services data flow components are the sources, transformations, and destinations. That Integration Service includes custom components in a data flow.
API or object model
Object model includes managed application programming interfaces for custom components use in packages. Or custom applications that create, load, run and manage packages. Developers write custom applications or custom tasks. Transformations by using any common language runtime compliant language.
Integration Services Service
The Integration Services service use SQL Server Management Studio. To check running Integration Services packages and to manage the storage of packages.
SQL Server Import and Export Wizard
The SQL Server Import and Export Wizard copy data to any data source managed. .NET Framework data provider or native OLE DB provider is available. An Integration Services package copies data from a source to a destination.
Other tools, wizards, and command prompt utilities
The running and managing Integration Services packages.
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