Need to read the data from the excel and save it into an variable
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There is a smart service to load data into DB. I recommend a two-step approach with a staging table with text fields only. Then write a stored procedure to transform the data into the final table.
Also, Excel Tools has a function to read Excel data straight into local data where it could be parsed and dealt with without needing to just dump it straight into the DB first. "readExcelSheetPaging()" (formerly "readExcelSheet()").