Null Columns When Importing Excel Data into SQL Server
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I don’t generally have a problem importing an Excel spread sheet into one of my SQL Server tables. But today would end my run of Excel importing perfection.
I experienced an problem where all rows that only contained numbers were ending up as NULL in my table after import, which I thought was strange since the Excel spread sheet did not contain empty cells. It contained a mixture of data formats: text and numbers.
I decided to format all rows in my spread sheet to text and try another re-import. No change.
After much experimentation, the solution was to copy all columns and paste them into Notepad in order to remove all formatting inherited from Excel. I then re-copied all my data from Notepad back into my spread sheet and carried out another import. Lo and behold it worked!
I don’t understand why I had this problem. It could have been due to the fact the spread sheet contained cells of different data formats and causing confusing through the import process.
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