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BI - Load an Excel File to DB



The purpose is to upload an Excel file into a Database without duplicate information.
  • Install SQL Server Data Tools for Visual Studio 2012
  • Create a New Project 
    • Type: Integration Services Project
  • Create New Package
    • Menu: Project -> New SSIS Package 
  • Inside the Package
    • In the tab Control Flow , drag a "Data Flow Task"
  • Inside the Data Flow tab, drag the following Items, as the image
    • Excel Source
    • OLE DB Source
    • Sort elements (x2)
    • Mege Join
    • Conditional Split
    • Data Conversion
    • OLE DB Destination


Excel Source

  • Double click in the element
  • In Connection Manager, Select "New" and then choose the file path


  • Select the Excel tab 

  • In Columns, select all the items











OLE DB Source


  • Double click in the element
  • In Connection Manager, Select "New" and then choose the Server Name and Table
  • Click Ok
  • Select the table where you are comparing the information (is the same table where you are going to store the new data)

  • In Columns, select all the items
  • Click OK

SORT

  • Double click in the left Sort
  • Select the key that you want to use to compare











  • Do the same for the right Sort, selecting the same key to compare

MERGE JOIN

  • Double click in the Merge Join
  • Select in Join Type: Left outer join
  • Select all the left colums and only the key in the right table
  • Change the Output Alias for the right key
  • Click OK

CONDITIONAL SPLIT

  • Double click in the Conditional Split
  • Open the Colums Menu at the left and drag and drop the right key to the down part
  • Change the conditional to ISNULL([NewCodigo])
  • Connect to DATA Conversion with the line "New Rows"

DATA CONVERSION

  • Double click in the element
  • Change the Data Type as in the image, especially in "Codigo"

OLE DB DESTINATION

  • Select the connection manager
  • Select the table to store the new rows
  • Save the project

TEST

  • Execute the Package 
  • Do a select query to review the new data added


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