diff --git a/src/main/java/org/gcube/dataaccess/databases/utils/DatabaseManagement.java b/src/main/java/org/gcube/dataaccess/databases/utils/DatabaseManagement.java
index 976f7fa..2d49e3f 100644
--- a/src/main/java/org/gcube/dataaccess/databases/utils/DatabaseManagement.java
+++ b/src/main/java/org/gcube/dataaccess/databases/utils/DatabaseManagement.java
@@ -1244,6 +1244,13 @@ public class DatabaseManagement {
 						// + original);
 
 						String parsed = "" + row[j];
+						
+						//remove some special character using regular expressions
+						String regex1 = "[\"'`]";
+						String regex2 = "[ \\t\\n\\r\\f\\v]";
+						
+						parsed = parsed.replaceAll(regex1, "").replaceAll(regex2, " ");
+						
 						if (original != "") {
 							// convert database datatypes to Java datatypes
 							if (DataTypeColumns == null