SSIS Tutorial

SSIS Tutorial

The SQL Server Integration Services, SSIS, is a powerful ETL tool. Although it is the most powerful tool, you can quickly learn SSIS tutorials in 28 days (Maximum). Remember, it is the second-largest tool for performing Extraction, Transformation, and Load (ETL process) operations.

What is SSIS?

Firstly, the SSIS ETL tool Extracts data from different sources and transforms that data according to user requirements. And then loads data into various destinations. This SSIS tutorial covers all the topics on Connection Managers, Data Sources, Transformations, Control Flow, and Data flow tasks.

Secondly, this ETL tool helps build enterprise-level data transformation and data integration solutions. It is beneficial in loading data from regular transactional data into Data Warehouse. So you can create reports using the transformed data with the help of SSRS, Tableau, etc.

Apart from the Data Warehouse application, you can also use SQL Server Integration Services to work on typical data integration applications. Before learning the SSIS tutorial, I suggest learning SQL Server basics, at least SELECT Statements.

What is SSIS used for?

To work with the SSIS packages tutorial, you need a development environment and a Management studio. And the Microsoft SQL Server provides two options to develop the package, first using BIDS or SSDT. But the second option is Import and Export wizard.

You can use the second option to perform the basic data loading because it does not need a different environment. As a result, SSIS uses the wizard to select all the sources, transformations, and destinations.

Remember, you also need one more item called SQL Management studio. It helps to monitor and manage the developed packages in a production environment.

The Integration Service Includes the following

  • A graphical user interface to develop packages without writing any code.
  • It has many transformations and control flow tasks to clean or transform data.
  • It has a Catalog database that we configure at the beginning to deploy packages, run, and manage them from SSMS. The Integration Services relies on SQL Server Agent for scheduling the operations.

SSIS Tutorial Introduction

The Microsoft SQL Server Integration Services included many built-in tasks and transformations. Use them to solve complex business problems by building high-performance data integration packages. One can use this SSIS to update warehouses, data mining, and download or copying files. Next, extract and transfer data from XML to SQL, etc.

To develop or create an integration package, you need Data Tools or BIDS. Therefore, I suggest you install the SQL Server Data Tools, Visual Studio, or Business Intelligence Development Studio (BIDS) to practice this SSIS tutorial.

  1. Install Data Tools or BIDS
  2. Create a New Integration Services Project
  3. Create a New Package

SSIS Tutorial on Data Flow task

There are three types of SSIS SQL Server Integration Services data flow components: Sources, Transformations, and Destinations. Each data flow component has an output. Use the result to connect with other members. For instance, connect the source output to transformations and then connect the transformation output to the destination.

While working with the SSIS on data flow components, you always have to check the column mappings. And this is a place where you might end up with errors. I mean wrong column mapping or no column mapping, etc.

NOTE: I suggest you download Adventure Works and Adventure works DW databases to practice these SSIS tutorial examples. Because we use these two databases in this entire section.

Please refer to Install Adventure Work and SELECT Statements in Server.

SSIS Connection Managers

This SQL SSIS extracts data from different sources, transforms it, and loads it to a completely different destination. Firstly, we need a connection manager to establish the connection between the package and source and package and destination.

In addition, the connection manager contains the physical connection string properties to create or establish a connection at a run time. In Integration Services, there are two types of connection managers. And they are Package Level (designed in a 5th window) and Project Level (created in the Solution Explorer window).

The project level connection managers shared among all the packages in that project. It is available at the project deployment. This section of the tutorial covers establishing connections between this SQL SSIS and different data sources.

Learn everything about the Connection Managers in the first two days. Generally, it takes one day to cover this topic. Most of the steps in those links are the same. I think the maximum of 2 to 3 steps may differ.

  1. Connection Managers Introduction
  2. OLE DB Connection Manager
  3. ADO Connection Manager
  4. ADO.NET Connection Manager
  5. Cache Connection Manager
  6. EXCEL Connection Manager
  7. File Connection Manager
  8. FTP Connection Manager
  9. SMO Connection Manager

SSIS Tutorial on Sources

The next two days concentrate on learning the SSIS on Source & Destinations. As I said before, if you know the connection managers, you are good with Destinations and Sources.

The main motive of the integration package is to transfer data from various sources to a destination. It means you need a Source to get the data from and a Destination to load into it. The following tutorial is the list of common sources used in the SSIS package development.

  1. Source Asst.
  2. ADO.NET Source
  3. Excel Source
  4. OLE DB Source
  5. Flat File Source

Destinations

  1. ADO.NET Destination
  2. OLE DB Destination
  3. FLAT FILE Destination

SSIS Transformations

The SQL Server Integration Service is all about Sources, Transformations, and Destinations. You need Connection Managers to connect with sources and destinations. So, if you know the connection Manager, then you do not have to think about the Sources and Destinations.

Spending the next ten days is all about transformations. I don’t think; you need 10 days to complete the transformations. Because, in all the SSIS tutorial examples, we explained each transformation along with Source and Destination. However, you can skip those steps.

The Transformations modify or clean the data, performs data conversions, perform data aggregations, etc. The following SSIS tutorial shows the list of available transformations. Please click on the link to see the definition and a practical example of each transformation.

Transformations List

  1. List of Transformations
  2. Audit Transformation
  3. Aggregate Transformation Basic Mode
  4. Aggregate Advanced Mode – Configure Multiple Outputs
  5. Cache Transformation
  6. Character Map Transformation
  7. Conditional Split Transformation
  8. Copy Column Transformation
  9. Data Conversion Transformation
  10. Derived Column Transformation
  11. Export Column Transformation
  12. Fuzzy Grouping
  13. Fuzzy Lookup
  14. Import Column
  15. Lookup Introduction
    1. Use OLE DB Connection Manager for Lookup Transformation
    2. Lookup Transformation in Full Cache Mode
    3. Lookup Transformation Case Sensitivity
  16. Merge Transformation
  17. Merge Join Transformation
    1. Inner Join Using Merge Join
    2. Left Outer Join Using Merge Join
    3. Right Outer Join by using Merge Join
    4. Full Outer Join
  18. Multicast Transformation
  19. OLE DB Command Transformation
    1. Delete Operations
    2. Update Operations
  20. Percentage Sampling
  21. Pivot Transformation in 2008R2
  22. Pivot Transformation in 2014
  23. Row Count
  24. Row Sampling
  25. Script Component As Source
  26. Use Script Component as Transformation
  27. Script Component as Destination
  28. Slowly Changing Dimension
    1. SCD Type 0
    2. Slowly Changing Dimension Type 1
    3. SCD Type 2
  29. Sort Transformation
  30. Term Lookup Transformation
  31. Term Extraction Introduction
    1. Extract Nouns Only
    2. Extracting Noun Phrases Only
    3. Extract Nouns and Noun Phrases
    4. Exclusion Tab
  32. Union All
  33. Unpivot

By the 15th day, you might learn the Connection Managers, Sources, Destinations, and Transformations. Similarly, learn containers and the Control Flow tasks from 15th to 20th.

SSIS Tutorial on Control Flow Tasks

Every Integration Services package consists of a control flow tab. You can optionally use the control flow tasks within this control flow tab, one or more data flow tasks. Perhaps, you can use the combination of both the control flow task and data flow tasks.

It is where we design the complete data flow. Furthermore, it is the place where we perform all the transformations.

Containers

This section covers the containers available in this ETL tool. The following containers provide the structure to the package or provide looping functionality.

  1. For Loop Container
  2. ForEach Loop Container
    1. ADO.NET Schema Rowset Enum
    2. File Enum
    3. NodeList Enum
    4. SMO Enum
    5. Variable Enum

SSIS Control Flow Tasks tutorial

This section of the SSIS tutorial explains everything about the control flow tasks. It includes file system tasks, FTP operations, execute package task, execute process task, send mail task, etc.

  1. Bulk Insert Task
  2. Data Profiling Task
  3. Execute T-SQL Statement Task
  4. Execute SQL Task
    1. Introduction to Execute Task
    2. Truncate Table – Result Set None
    3. Execute Task – Single Row Result Set
    4. Executing Task – Full Result Set
  5. Execute Package Task
    1. Executing Packages in File System
    2. Execute Packages in Server
    3. Executing Packages present in the Same Project
  6. File System Task
    1. Copy Directory
    2. Copy File
    3. Delete Directory Content
    4. Move Directory
    5. Delete Directory
    6. Move File
    7. Move Multiple Files
    8. Delete File
    9. Rename File
    10. Set Attributes
  7. FTP Task
    1. Send Files
    2. Send Multiple Files
    3. Receive Files
    4. Receive Multiple Files
    5. Delete Local Files
    6. Create Remote Directory
    7. Delete Remote Directory
    8. Create a Local Directory
    9. Delete Local Directory
    10. Delete Remote Files
  8. Script Task
  9. Transfer SQL Server Objects Task
    1. Transferring SQL Server Tables with Data
    2. Transfer Table Structures without Data
    3. Transferring Stored Procedures
    4. Transfer User Defined Function
    5. Transferring Views
  10. Web Service Task
  11. XML Task – Validate XML File
    1. Transform XML File Using XSLT
    2. Difference between XML Files

SSIS Deployment Tutorial

After the building or development of the SQL Server integration package, the next step is to deploy the package into the production environment. Spend your last two days learning the SSIS catalog and deployment methods tutorial.

Deploying the SQL Server Integration Services project is where we should decide the package execution time and the authorized user to perform the same. There are different ways that you can deploy your packages. It starts using BIDS/SQL data tools, Import and Export Data wizard, and Management Studio.

Therefore, you can use either of these options to deploy packages to Server. This SSIS tutorial catalog section covers the essential topics beneficial for the production environment.

  1. Creating Integration Service Catalog
  2. Deploy Projects using BIDS
  3. Deploy Project using SQLServer
  4. Use Deployment Wizard to Deploy Project
  5. Breakpoints
  6. Checkpoints
  7. Error Handling
  8. Event Handlers
  9. Logging
  10. Parameters
  11. Package Configurations Introduction
    1. Environment Variable
    2. Parent-Child Package Configuration
    3. Registry Entry
    4. Server Configuration
    5. XML Configuration File
    6. XML Configuration File in Environment Variable
  12. Package Protection Levels
  13. Transactions

SQL SSIS Tutorial on Import and Export Data Wizard

If you quickly want to move or load from source to destination, you can use the Import and Export wizard. You can perform the following import and export operations using a Wizard. This wizard might be a starting point for SSIS Tutorial or package development.

  1. Export from Database to Flat File using Import & Export Wizard
  2. Import from Flat File to Database using Import Export Wizard
  3. Export Data from DB to Excel using Wizard
  4. Import from Excel to Database using Import Export Wizard

SSIS Interview Questions

The following is the list of a few SSIS tutorial interview questions that you might face apart from regular Transformation questions.

  1. Incremental Load
    1. Incremental Load
    2. Better Approach – Incremental Load
  2. Export From Database to Excel File
  3. Export From DB to Flat File
  4. Query builder
  5. How to remove Double Quotes in Excel Sheet
  6. How to remove Double Quotes in Flat or CSV File
  7. Text Qualifier Property
  8. Difference between Project Level and Package Level Connection managers
  9. Project Parameters Vs. Package Parameters
  10. Send Emails using Script Task

What is the SSIS Package Work environment?

It is a business intelligence tool that provides data transformation solutions for various organizations. The screenshot below shows the work environment and how it is used to create SQL Server Integration Services projects and learn.

SSIS Tutorial

From the above SSIS tutorial screenshot, we had divided the window into different parts.

  1. Solution Explorer: It is a combination of project-level connection managers, actual packages, and project parameters.
  2. Properties: Use this window to change the properties of every task.
  3. Toolbox: SSIS provides a lot of built-in tasks, containers, transformations, sources, destinations, and administrative tasks to solve complex business problems. Use these graphical tools by dragging and dropping those tasks in the work environment. It means we do not have to write a single line of code to perform most of the operations.
  4. Information: Shows the information about SSIS toolbox items and this tutorial covered all of them.
  5. Connection Managers: Use this window to create a package-level connection managers
  6. Package Designer window.

What is Project Development Model?

The project combines Connections Managers, Packages, and project parameters (optional). Furthermore, the SQL Server Integration Services is an ETL (Extract, Transform, and Load) tool. That means you can follow this SSIS tutorial to extract data from various sources such as Excel Files, Flat Files, XML Files, and Relational databases. Furthermore, transform (slice and dice) them according to your requirements and load the data into the destination.

SSIS Advantages

You can also deploy packages to the cloud platform Azura. And also, you can schedule the deployment of the package to Azura.

We have to deploy the whole project to add one additional package, but it is not the case with the Integration services. Instead, it allows you to add one or more packages to the existing project, called incremental package deployment.

You can restrict the Integration Services access to specific users. And. Therefore, the administrator has to run the DCOM configuration tool to grant permission.

The catalog database has an option to add the Always On Availability groups option. So, whenever a database failover happens, one of the secondary nodes becomes the primary node automatically.

The SQL Server integration services support the Always Encrypted feature. Therefore, it allows you to load data to encrypted database columns.

By redirecting the wrong data to an error output, you can see what columns are throwing errors, find erroneous data, and effectively diagnose the issue.

Important SSIS Components

Although there are many built-in components in the Integration Services, there are some situations where we need a custom task to perform some business-centric operations. There are two most powerful components to fulfill this: Script Task and Script Component. 

  • If you want the custom control flow task, use SSIS Script Task along with C# or VB that we mentioned in this tutorial and write your functions.
  • Use the script component as the Source, Destination, or Transformation for the custom data flow task.

You can also create, run, and deploy a package without opening the interface. For instance, with the .Net application, you can create a package. Next, perform some operations, and deploy them to the catalog.

Disadvantages of SSIS

In order to configure the event logging, you have to edit the registry keys, and we convert them in this article.

Upgrading the SQL Server instance will not automatically upgrade the package to the current release. You have to do it on your own manually. When it comes to script components, you have to update the assembly versions referenced by the members manually.

Please refer to SSRS, Tableau, and Power BI.

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