Removed useless backticks

main/exercice/answer.class.php

@@ -465,7 +465,7 @@ class Answer
 				"position = '".Database::escape_string($position)."', " .
 				"destination = '".Database::escape_string($destination)."' " .
 				"WHERE id = '".Database::escape_string($position)."' " .
-				"AND question_i` = '".Database::escape_string($questionId)."'";
+				"AND question_i = '".Database::escape_string($questionId)."'";
 
 		Database::query($sql);
 	}

main/exercice/hotspot_save.inc.php

@@ -43,7 +43,7 @@ if ($_GET['type'] == "poly" || $_GET['type'] == "delineation")
 	}
 	$hotspot_coordinates = api_substr($hotspot_coordinates,0,-2);
 }
-$sql = "UPDATE `$TBL_ANSWER` SET hotspot_coordinates = '".Database::escape_string($hotspot_coordinates)."',hotspot_type = '".Database::escape_string($hotspot_type)."' WHERE id = '".Database::escape_string($answerId)."' AND question_id ='".Database::escape_string($questionId)."' LIMIT 1 ;";
+$sql = "UPDATE $TBL_ANSWER SET hotspot_coordinates = '".Database::escape_string($hotspot_coordinates)."',hotspot_type = '".Database::escape_string($hotspot_type)."' WHERE id = '".Database::escape_string($answerId)."' AND question_id ='".Database::escape_string($questionId)."' LIMIT 1 ;";
 $result = Database::query($sql);
 echo "done=done";
 ?>

main/exercice/hotspot_savescore.inc.php

@@ -44,7 +44,7 @@ $coordinates = substr($coordinates,0,-1);
 
 $TBL_TRACK_E_HOTSPOT = Database::get_statistic_table(STATISTIC_TRACK_E_HOTSPOTS);
 // Save into db
-$sql = "INSERT INTO $TBL_TRACK_E_HOTSPOT (`user_id` , `course_id` , `quiz_id` , `question_id` , `answer_id` , `correct` , `coordinate` ) VALUES (
+$sql = "INSERT INTO $TBL_TRACK_E_HOTSPOT (user_id , course_id , quiz_id , question_id , answer_id , correct , coordinate ) VALUES (
 			'".Database::escape_string($_user['user_id'])."',
 			'".Database::escape_string($courseCode)."',
 			'".Database::escape_string($exerciseId)."',

main/exercice/mark_free_answer.php

@@ -157,7 +157,7 @@ if($action == 'mark'){
 				#	{
 				#		$user_id = '0';
 				#	}
-				#	$sql2 = "update `$tbl_learnpath_user` set score='$score' where (user_id=$user_id and learnpath_id='$learnpath_id' and learnpath_item_id='$learnpath_item_id')";
+				#	$sql2 = "update $tbl_learnpath_user set score='$score' where (user_id=$user_id and learnpath_id='$learnpath_id' and learnpath_item_id='$learnpath_item_id')";
 				#	$res2 = Database::query($sql2);
 				#}
 				$res = Database::query($sql);

main/group/group_category.php

@@ -66,7 +66,7 @@ if (isset ($_GET['id'])) {
     // Checks if the field was created in the table Category. It creates it if is neccesary
     $table_category = Database :: get_course_table(TABLE_GROUP_CATEGORY);
 	if (!Database::query("SELECT wiki_state FROM $table_category")) {
-    	Database::query("ALTER TABLE $table_category ADD `wiki_state` tinyint(3) UNSIGNED NOT NULL default '1';");
+    	Database::query("ALTER TABLE $table_category ADD wiki_state tinyint(3) UNSIGNED NOT NULL default '1';");
     }
 	// Create a new category
 	$action = 'add_category';