If you don't want the content of a database column to appear in the GUI of your application then you either just don't display it or you formulate your SQL select statement so the column you don't want to appear is not selected.
SELECT column1, column2, column4, column6
FROM myTable
WHERE ...
Suppose you had a table myTable with columns named column1 through column6.
With the select statement above you'd omit column3 and column5.
That should help!
Cheers,
Manfred
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