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Problem Statement
During development, we may be creating and removing fields from our form design. This would eventually lead to having unused columns in the database table. In this exercise, we will discuss how to organize a table structure and eventually remove the unused columns.
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Look for the file with the exact same table name. In our case, we are looking for "app_fd_sample.hbm.xml"
This step is critical. This is so that Joget would transverse through all the forms that point to the table name to generate a new mapping file, which in turn, generates any missing columns back in the database table. By not deleting this file and force a refresh, Joget would continue to assume that the table structure is still the same as always.
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