today’s interviewed
Lets imagine you have an Excel file of First name, Surname, and Age. Also contained in this file is a unique identifier (UID), here is an example:
| ID | First | Surname | Age |
| 1 | Bob | Smith | 12 |
| 2 | Tom | Stoner | 34 |
| 3 | Brenda | Jones | 45 |
Now, lets continue to imagine that you have a corresponding table in SQL Server:
So, the situation is thus; We want to update records that exist in both the table and the Excel file and insert those that exist in the Excel file but not in the table. How do we do this…. Up steps SSIS.
I am going to assume you know the basics of SSIS and so will start from the perpective of a new project in BIDS.
Under Control Flow we need to add a new Control Flow Item – Data Flow. Rename this to Insert and Update records. Now double click on this…
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