diff -u b/dbtng_example/dbtng_example.module b/dbtng_example/dbtng_example.module
--- b/dbtng_example/dbtng_example.module
+++ b/dbtng_example/dbtng_example.module
@@ -606,12 +606,13 @@
  * @return array
  */
 function dbtng_example_execute_ordered_select_query() {
-  $dbtng_example_execute_ordered_select_query = db_select('dbtng_example', 'dbtng_example')->fields('dbtng_example');
-  // 'dbtng_example.name' is the field on which to order where 'dbtng_example'
-  // is a table alias and 'name' is a column name
+  $tableName = 'dbtng_example';
+  $tableAlias = 'ex';
+  $columnName = $tableAlias . '.name';
+  $dbtng_example_execute_ordered_select_query = db_select($tableName, $tableAlias)->fields($tableAlias);
   // Legal values for sorting are "ASC" and "DESC". Any other value will be
   // converted to "ASC".
-  $dbtng_example_execute_ordered_select_query->orderBy('dbtng_example.name', 'ASC');
+  $dbtng_example_execute_ordered_select_query->orderBy($columnName, 'ASC');
   $dbtng_example_result = $dbtng_example_execute_ordered_select_query->execute()->fetchAll();
 
   return $dbtng_example_result;
@@ -626,7 +627,7 @@
  *
  * @return array
  */
-function dbtng_example_converts_resultset_to_table_rows($result) {
+function dbtng_example_convert_resultset_to_table_rows($result) {
   $rows = array();
   if($result) {
     foreach ($result as $row) {
@@ -638,7 +639,7 @@
 }
 
 /**
- * This function renders array for table 'dbtng_example'
+ * This function converts a resultset into a render array
  * @param array $result
  *   Resultset of the query
  *
@@ -647,7 +648,7 @@
  * @return array
  */
 function dbtng_example_convert_resultset_to_table_render_array($result) {
-  $rows = dbtng_example_converts_resultset_to_table_rows($result);
+  $rows = dbtng_example_convert_resultset_to_table_rows($result);
   $header = array(t('Id'), t('uid'), t('Name'), t('Surname'), t('Age'));
   return [
     '#theme' => 'table',