com.mysql.jdbc.exceptions.MySQLSyntaxErrorException when using PreparedStatement

Question

I am trying to execute a query that returns a student whose name and last name concatenated equal the search key parameter.

For that I am doing this in my class that man

Answer 1

Your problem is that you prepare the statement with

preparedStatement = dbConnection.prepareStatement(selectSQL);

which is correct, but then when you try to execute the PreparedStatement you supply the selectSQL string again:

rs = preparedStatement.executeQuery(selectSQL);

That is incorrect. You've already prepared the statement, so when the time comes to execute it you just do

rs = preparedStatement.executeQuery();