执行SQL语句时获得语法错误

public void deleteDB(){
    try{
        Statement s = conn.createStatement();
        System.out.println(\"Deleteting database...\");
        s.execute(\"DROP DATABASE Courses\");
        System.out.println(\"Database deleted.\");
    }
    catch(SQLException error){
        System.err.println(\"Unable to delete database.\");
        error.printStackTrace(System.err);
        System.exit(0);
    }
}

UpdateDB update = new UpdateDB();
update.connectDatabase(dbName);
update.deleteDB();

java.sql.SQLSyntaxErrorException: Syntax error: Encountered \"DATABASE\" at line 1, column 6.
at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.Util.generateCsSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedConnection.handleException(Unknown Source)
at org.apache.derby.impl.jdbc.ConnectionChild.handleException(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)