diff --git a/sql/v01/10.create.sql b/sql/v01/10.create.sql
index b516017..e27ad8d 100644
--- a/sql/v01/10.create.sql
+++ b/sql/v01/10.create.sql
@@ -154,10 +154,9 @@ CREATE TABLE wine_variety (
 CREATE TABLE wine_quality (
     qualid       TEXT    NOT NULL CHECK (qualid REGEXP '^[A-Z]{3}$'),
     origin_level INTEGER NOT NULL,
-
+    predicate    INTEGER NOT NULL CHECK(predicate IN (TRUE, FALSE)),
+    min_kmw      REAL    DEFAULT NULL,
     name         TEXT    NOT NULL,
-    from_kmw     REAL    DEFAULT NULL,
-    to_kmw       REAL    DEFAULT NULL,
 
     CONSTRAINT pk_wine_quality PRIMARY KEY (qualid)
 ) STRICT;
diff --git a/sql/v01/50.base.sql b/sql/v01/50.base.sql
index fb3b908..51c2c77 100644
--- a/sql/v01/50.base.sql
+++ b/sql/v01/50.base.sql
@@ -30,25 +30,25 @@ INSERT INTO AT_bundesland VALUES
 (9, 'W',   NULL,   'Wien');
 
 INSERT INTO wine_quality VALUES
-('WEI', 0, 'Wein',         NULL, NULL),
-('RSW', 0, 'Rebsortenwein', 11.5, 14.0),
-('LDW', 1, 'Landwein',      14.0, 15.0),
-('QUW', 3, 'Qualitätswein', 15.0, 17.0),
-('KAB', 3, 'Kabinett',      17.0, NULL),
-('SPL', 3, 'Spätlese',     NULL, NULL);
+('WEI', 0, FALSE, NULL, 'Wein'),
+('RSW', 0, FALSE, 11.5, 'Rebsortenwein'),
+('LDW', 1, FALSE, 14.0, 'Landwein'),
+('QUW', 3, FALSE, 15.0, 'Qualitätswein'),
+('KAB', 3, FALSE, 17.0, 'Kabinett'),
+('SPL', 3,  TRUE, 19.0, 'Spätlese'),
+('AUL', 3,  TRUE, 21.0, 'Auslese'),
+('BAL', 3,  TRUE, 25.0, 'Beerenauslese'),
+('TBA', 3,  TRUE, 30.0, 'Trockenbeerenauslese'),
+('DAC', 3,  TRUE, 15.0, 'Districtus Austriae Controllatus');
 
 --INSERT INTO wine_quality (qualid, name)
---('AUL', 'Auslese'),
---('BAL', 'Beerenauslese'),
---('DAC', 'Districtus Austriae Controllatus'),
 --('EIW', 'Eiswein'),
 --('INW', 'Industriewein'),
 --('RAB', 'Ruster Ausbruch'),
 --('SOE', 'Sonstige Erzeugnisse'),
 --('STW', 'Strohwein'),
 --('STU', 'Sturm für Qualitätsstufe'),
---('TGT', 'Teilweise gegorener Traubenmost'),
---('TBA', 'Trockenbeerenauslese');
+--('TGT', 'Teilweise gegorener Traubenmost');
 
 INSERT INTO wine_origin VALUES
 ('AUSL',  NULL , 'Ausland', NULL),