Ucanaccess throwing exception

Question

When I am trying to fetch data from access database ucanaccess driver is throwing this exception net.ucanaccess.jdbc.UcanaccessSQLException: UCAExc:::4.0.4 data type cast needed for parameter or null literal here is the screen of my application output Thanks

Answer 1

Select ... WHERE ? = ?

Parameter placeholders cannot be used to specify column names. You'll need to use dynamic SQL (string formatting) to specify the column name and then use a parameter placeholder for the column value.