diff --git a/views/dashboard_overview.sql b/views/dashboard_overview.sql
index f433700..5d44df1 100644
--- a/views/dashboard_overview.sql
+++ b/views/dashboard_overview.sql
@@ -1,9 +1,8 @@
 CREATE OR REPLACE VIEW dashboard_overview AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_app_id()                        AS app_id
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 ),
 s AS (
     SELECT
diff --git a/views/events_chart.sql b/views/events_chart.sql
index 6109154..e2ddd51 100644
--- a/views/events_chart.sql
+++ b/views/events_chart.sql
@@ -1,12 +1,11 @@
 CREATE OR REPLACE VIEW events_chart AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_app_id()                        AS app_id,
-        app.get_item('$EVENT_ID')               AS event_id,
+        app.get_number_item('$EVENT_ID')        AS event_id,
         app.get_item('$USER_ID')                AS user_id,
         TRUNC(app.get_date_item('G_TODAY'))     AS today
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 ),
 z AS (
     SELECT
diff --git a/views/nav_badges.sql b/views/nav_badges.sql
index ef52bb8..a73c190 100644
--- a/views/nav_badges.sql
+++ b/views/nav_badges.sql
@@ -1,10 +1,9 @@
 CREATE OR REPLACE VIEW nav_badges AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_app_id()            AS app_id,
         app.is_developer_y()        AS is_developer
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 )
 SELECT                              -- today errors on dashboard
     900                             AS page_id,
diff --git a/views/nav_overview.sql b/views/nav_overview.sql
index 11871b6..a567e3d 100644
--- a/views/nav_overview.sql
+++ b/views/nav_overview.sql
@@ -1,11 +1,10 @@
 CREATE OR REPLACE VIEW nav_overview AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_page_id()           AS page_id,
         app.get_app_id()            AS app_id,
         app.get_core_app_id()       AS core_app_id
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 ),
 t AS (
     SELECT
diff --git a/views/nav_top.sql b/views/nav_top.sql
index b5aeab6..9080a8b 100644
--- a/views/nav_top.sql
+++ b/views/nav_top.sql
@@ -1,6 +1,6 @@
 CREATE OR REPLACE FORCE VIEW nav_top AS
 WITH curr AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_app_id()            AS app_id,
         app.get_page_id()           AS page_id,
         app.get_page_parent()       AS parent_id,
@@ -8,8 +8,7 @@ WITH curr AS (
         app.get_page_group()        AS page_group,
         app.get_user_id()           AS user_id,
         app.get_user_name()         AS user_name
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 ),
 j AS (
     -- get javascript targets hidden in page item
diff --git a/views/obj_columns.sql b/views/obj_columns.sql
index 74e5171..65b5854 100644
--- a/views/obj_columns.sql
+++ b/views/obj_columns.sql
@@ -1,9 +1,8 @@
 CREATE OR REPLACE VIEW obj_columns AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_item('$TABLE_NAME') AS table_name
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 ),
 c AS (
     SELECT
diff --git a/views/obj_constraints.sql b/views/obj_constraints.sql
index 3f3e83c..d0bc7c5 100644
--- a/views/obj_constraints.sql
+++ b/views/obj_constraints.sql
@@ -1,9 +1,8 @@
 CREATE OR REPLACE VIEW obj_constraints AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_item('$TABLE_NAME') AS table_name
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 ),
 n AS (
     SELECT XMLTYPE(DBMS_XMLGEN.GETXML('SELECT c.constraint_name AS name, c.search_condition AS text
diff --git a/views/obj_constraints_fix_dt1.sql b/views/obj_constraints_fix_dt1.sql
index fc97503..f784a3b 100644
--- a/views/obj_constraints_fix_dt1.sql
+++ b/views/obj_constraints_fix_dt1.sql
@@ -1,9 +1,8 @@
 CREATE OR REPLACE VIEW obj_constraints_fix_dt1 AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_item('$TABLE_NAME') AS table_name
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 ),
 s AS (
     SELECT
diff --git a/views/obj_constraints_fix_dt2.sql b/views/obj_constraints_fix_dt2.sql
index 101861b..dd627b8 100644
--- a/views/obj_constraints_fix_dt2.sql
+++ b/views/obj_constraints_fix_dt2.sql
@@ -1,9 +1,8 @@
 CREATE OR REPLACE VIEW obj_constraints_fix_dt2 AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_item('$TABLE_NAME') AS table_name
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 ),
 s AS (
     SELECT
diff --git a/views/obj_indexes.sql b/views/obj_indexes.sql
index 73004f7..0a289d9 100644
--- a/views/obj_indexes.sql
+++ b/views/obj_indexes.sql
@@ -1,9 +1,8 @@
 CREATE OR REPLACE VIEW obj_indexes AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_item('$TABLE_NAME') AS table_name
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 )
 SELECT
     i.table_name,
diff --git a/views/obj_indexes_missing.sql b/views/obj_indexes_missing.sql
index 869ccf2..11f8ebb 100644
--- a/views/obj_indexes_missing.sql
+++ b/views/obj_indexes_missing.sql
@@ -1,9 +1,8 @@
 CREATE OR REPLACE VIEW obj_indexes_missing AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_item('$TABLE_NAME') AS table_name
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 ),
 f AS (
     SELECT
diff --git a/views/obj_modules.sql b/views/obj_modules.sql
index 024390f..deacee9 100644
--- a/views/obj_modules.sql
+++ b/views/obj_modules.sql
@@ -1,10 +1,9 @@
 CREATE OR REPLACE VIEW obj_modules AS
 WITH x AS (
-    SELECT 
+    SELECT /*+ MATERIALIZE */
         app.get_item('$PACKAGE_NAME')   AS package_name,
         app.get_item('$MODULE_TYPE')    AS module_type
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 ),
 p AS (
     SELECT
diff --git a/views/obj_packages.sql b/views/obj_packages.sql
index 781a07d..105d38e 100644
--- a/views/obj_packages.sql
+++ b/views/obj_packages.sql
@@ -1,9 +1,8 @@
 CREATE OR REPLACE VIEW obj_packages AS
 WITH x AS (
-    SELECT 
+    SELECT /*+ MATERIALIZE */
         app.get_item('$PACKAGE_NAME') AS package_name
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 ),
 s AS (
     SELECT
diff --git a/views/obj_partitions.sql b/views/obj_partitions.sql
index 9f47fe9..792dc16 100644
--- a/views/obj_partitions.sql
+++ b/views/obj_partitions.sql
@@ -1,9 +1,8 @@
 CREATE OR REPLACE VIEW obj_partitions AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_item('$TABLE_NAME') AS table_name
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 ),
 p AS (
     SELECT
diff --git a/views/obj_tables.sql b/views/obj_tables.sql
index 18aac7d..5522c0d 100644
--- a/views/obj_tables.sql
+++ b/views/obj_tables.sql
@@ -1,13 +1,12 @@
 CREATE OR REPLACE VIEW obj_tables AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_item('$TABLE_NAME') AS table_name
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 ),
 s AS (
     -- columns count
-    SELECT /* materialize */
+    SELECT /*+ MATERIALIZE */
         c.table_name,
         COUNT(*)                AS count_cols
     FROM user_tab_cols c
@@ -17,7 +16,7 @@ s AS (
 ),
 c AS (
     -- constraints overview
-    SELECT /* materialize */
+    SELECT /*+ MATERIALIZE */
         c.table_name,
         NULLIF(SUM(CASE WHEN c.constraint_type = 'P' THEN 1 ELSE 0 END), 0) AS count_pk,
         NULLIF(SUM(CASE WHEN c.constraint_type = 'U' THEN 1 ELSE 0 END), 0) AS count_uq,
@@ -30,7 +29,7 @@ c AS (
 ),
 i AS (
     -- indexes overview
-    SELECT /* materialize */
+    SELECT /*+ MATERIALIZE */
         i.table_name,
         COUNT(i.table_name)     AS count_ix
     FROM user_indexes i
@@ -44,7 +43,7 @@ i AS (
 ),
 g AS (
     -- triggers overview
-    SELECT /* materialize */
+    SELECT /*+ MATERIALIZE */
         g.table_name,
         COUNT(g.table_name)     AS count_trg
     FROM user_triggers g
@@ -54,7 +53,7 @@ g AS (
 ),
 p AS (
     -- partitions count
-    SELECT /* materialize */
+    SELECT /*+ MATERIALIZE */
         p.table_name,
         COUNT(*) AS partitions
     FROM user_tab_partitions p
diff --git a/views/obj_tables_ref_down.sql b/views/obj_tables_ref_down.sql
index f12e43d..32013c5 100644
--- a/views/obj_tables_ref_down.sql
+++ b/views/obj_tables_ref_down.sql
@@ -1,9 +1,8 @@
 CREATE OR REPLACE VIEW obj_tables_ref_down AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_item('$TABLE_NAME') AS table_name
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 ),
 t AS (
     SELECT
diff --git a/views/obj_tables_ref_objects.sql b/views/obj_tables_ref_objects.sql
index edbae42..f020de6 100644
--- a/views/obj_tables_ref_objects.sql
+++ b/views/obj_tables_ref_objects.sql
@@ -1,10 +1,10 @@
 CREATE OR REPLACE VIEW obj_tables_ref_objects AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_app_id()                    AS app_id,
+        app.get_owner()                     AS owner_,
         app.get_item('$TABLE_NAME')         AS table_name
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 )
 SELECT
     '<span style="margin-left: 2rem;">' || d.name || '</SPAN>'      AS ref_name,
@@ -17,7 +17,8 @@ SELECT
         ELSE NULL
         END AS ref_link
 FROM user_dependencies d
-WHERE d.referenced_owner    = app.get_owner()
-    AND d.referenced_name   = (SELECT x.table_name FROM x)
+JOIN x
+    ON x.owner_         = d.referenced_owner
+    AND x.table_name    = d.referenced_name
 GROUP BY d.name;
 
diff --git a/views/obj_tables_ref_up.sql b/views/obj_tables_ref_up.sql
index 63c1220..bb2876b 100644
--- a/views/obj_tables_ref_up.sql
+++ b/views/obj_tables_ref_up.sql
@@ -1,9 +1,8 @@
 CREATE OR REPLACE VIEW obj_tables_ref_up AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_item('$TABLE_NAME') AS table_name
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 ),
 t AS (
     SELECT
diff --git a/views/obj_triggers.sql b/views/obj_triggers.sql
index 30d6b2d..5eaf2b7 100644
--- a/views/obj_triggers.sql
+++ b/views/obj_triggers.sql
@@ -1,12 +1,11 @@
 CREATE OR REPLACE VIEW obj_triggers AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_app_id()                AS app_id,
         app.get_item('$TABLE_NAME')     AS table_name,
         app.get_item('$TRIGGER_NAME')   AS trigger_name,
         app.get_date_item('G_TODAY')    AS today
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 ),
 r AS (
     SELECT /* materialize */
diff --git a/views/obj_views.sql b/views/obj_views.sql
index 032f846..57e0641 100644
--- a/views/obj_views.sql
+++ b/views/obj_views.sql
@@ -1,10 +1,9 @@
 CREATE OR REPLACE VIEW obj_views AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_app_id()            AS app_id,
         app.get_item('$VIEW_NAME')  AS view_name
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 ),
 r AS (
     SELECT
diff --git a/views/roles_cards.sql b/views/roles_cards.sql
index 5858085..018eb90 100644
--- a/views/roles_cards.sql
+++ b/views/roles_cards.sql
@@ -1,11 +1,10 @@
 CREATE OR REPLACE VIEW roles_cards AS
 WITH x AS (
-    SELECT
-        u.user_id,
+    SELECT /*+ MATERIALIZE */
         app.get_app_id()        AS app_id,
+        app.get_user_id()       AS user_id,
         app.is_developer_y()    AS is_developer
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 )
 SELECT
     r.role_id,
diff --git a/views/scheduler_details.sql b/views/scheduler_details.sql
index 86b035b..44e2404 100644
--- a/views/scheduler_details.sql
+++ b/views/scheduler_details.sql
@@ -1,12 +1,11 @@
 CREATE OR REPLACE VIEW scheduler_details AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_app_id()                AS app_id,
         app.get_date_item('G_TODAY')    AS today,
         app.get_item('$JOB_NAME')       AS job_name,
         app.get_item('$JOB_STATUS')     AS job_status
-    FROM users u
-    WHERE u.user_id     = app.get_user_id()
+    FROM DUAL
 )
 SELECT
     REGEXP_SUBSTR(d.job_name, '^([^#]+)#(\d+)$', 1, 1, NULL, 2) AS log_id,
diff --git a/views/sessions_chart.sql b/views/sessions_chart.sql
index 7c6aef9..85322d7 100644
--- a/views/sessions_chart.sql
+++ b/views/sessions_chart.sql
@@ -1,12 +1,11 @@
 CREATE OR REPLACE VIEW sessions_chart AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_app_id()                AS app_id,
         app.get_item('$USER_ID')        AS user_id,
         app.get_date_item('G_TODAY')    AS today,
         10                              AS buckets
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 ),
 z AS (
     SELECT
diff --git a/views/settings_overview.sql b/views/settings_overview.sql
index 7cd6901..8f6a0c5 100644
--- a/views/settings_overview.sql
+++ b/views/settings_overview.sql
@@ -1,12 +1,11 @@
 CREATE OR REPLACE VIEW settings_overview AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         UPPER('SETT')                   AS package_name,        -- app_actions spec
         UPPER('GET_')                   AS prefix,
         app.get_item('$SETTING_NAME')   AS setting_name,
         app.get_app_id()                AS app_id
-    FROM users u
-    WHERE u.user_id = app.get_user_id()
+    FROM DUAL
 ),
 p AS (
     SELECT p.procedure_name, a.data_type
diff --git a/views/users_overview.sql b/views/users_overview.sql
index 57c7e46..bfbc992 100644
--- a/views/users_overview.sql
+++ b/views/users_overview.sql
@@ -1,13 +1,14 @@
 CREATE OR REPLACE VIEW users_overview AS
 WITH x AS (
-    SELECT
-        app.get_app_id()    AS app_id,
-        app.get_user_id()   AS user_id,
+    SELECT /*+ MATERIALIZE */
+        app.get_app_id()            AS app_id,
+        app.get_user_id()           AS user_id,
+        app.get_item('$USER_ID')    AS filter_user_id,
+        app.get_item('$ROLE_ID')    AS filter_role_id,
         --
         TRUNC(NVL(app.get_date_item('G_TODAY'), SYSDATE))                       AS today,
         CAST(TRUNC(NVL(app.get_date_item('G_TODAY'), SYSDATE)) AS TIMESTAMP)    AS today_ts
-    FROM users u
-    WHERE u.user_id         = app.get_user_id()
+    FROM DUAL
 ),
 s AS (
     SELECT
@@ -75,18 +76,20 @@ SELECT
     u.updated_by,
     u.updated_at
 FROM users u
+CROSS JOIN x
 LEFT JOIN s ON s.user_id = u.user_id
 LEFT JOIN l ON l.user_id = u.user_id
 LEFT JOIN r ON r.user_id = u.user_id
 LEFT JOIN b ON b.user_id = u.user_id
-WHERE u.user_id = NVL(app.get_item('$USER_ID'), u.user_id)
+--
+WHERE u.user_id = NVL(x.filter_user_id, u.user_id)
     AND (
         u.user_id IN (
             SELECT r.user_id
             FROM user_roles r
-            WHERE r.role_id = app.get_item('$ROLE_ID')
+            WHERE r.role_id = x.filter_role_id
         )
-        OR app.get_item('$ROLE_ID') IS NULL
+        OR x.filter_role_id IS NULL
     );
 --
 COMMENT ON TABLE users_overview IS '[CORE - DASHBOARD] Users';