executeQuery returns a result set. Use executeUpdate instead or review the sql.
boolean execute() Executes the SQL statement in this PreparedStatement object, for any kind of SQL statement.
ResultSet executeQuery() Executes the SQL query in this PreparedStatement returns the ResultSet for the Query(Select ...)
int executeUpdate() Executes the SQL statement in this PreparedStatement returns total successful count, which must be an SQL INSERT, UPDATE or DELETE statement; or an SQL statement that returns nothing, such as a DDL statement.
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