diff --git a/hsarback/src/de/hsadmin/mods/pac/PacModuleImpl.java b/hsarback/src/de/hsadmin/mods/pac/PacModuleImpl.java
index adfbc60..8cad528 100644
--- a/hsarback/src/de/hsadmin/mods/pac/PacModuleImpl.java
+++ b/hsarback/src/de/hsadmin/mods/pac/PacModuleImpl.java
@@ -126,15 +126,25 @@ public class PacModuleImpl extends AbstractModuleImpl {
 		}
 		GenericModuleImpl helperModule = new GenericModuleImpl(getTransaction());
 		
-		Query qDoms = em.createQuery("SELECT dom FROM Domains dom WHERE dom.user.pac.name = :pac");
-		qDoms.setParameter("pac", pacName);
-		List<?> domsList = qDoms.getResultList();
-		for (Object o : domsList) {
-			if (o instanceof Domain) {
-				helperModule.delete((AbstractEntity) o);
+		String[] dependQueries = new String[] {
+				"SELECT dom FROM Domains dom WHERE dom.user.pac.name = :pac",
+				"SELECT db FROM MySqlDatabases db WHERE db.pac.name = :pac",
+				"SELECT db FROM PgSqlDatabases db WHERE db.pac.name = :pac",
+				"SELECT dbusr FROM MySqlUsers dbusr WHERE dbusr.pac.name = :pac",
+				"SELECT dbusr FROM PgSqlUsers dbusr WHERE dbusr.pac.name = :pac",
+		};
+		
+		for (String queryString : dependQueries) {
+			Query qDoms = em.createQuery(queryString);
+			qDoms.setParameter("pac", pacName);
+			List<?> domsList = qDoms.getResultList();
+			for (Object o : domsList) {
+				if (o instanceof AbstractEntity) {
+					helperModule.delete((AbstractEntity) o);
+				}
 			}
 		}
-		
+
 		for (UnixUser user : pac.getUnixUser()) {
 			if (!pacName.equals(user.getName())) {
 				helperModule.delete(user);