diff --git a/jOOQ/src/main/java/org/jooq/impl/CreateSequenceImpl.java b/jOOQ/src/main/java/org/jooq/impl/CreateSequenceImpl.java
index 4faa9fd5d1..dcfc911525 100644
--- a/jOOQ/src/main/java/org/jooq/impl/CreateSequenceImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/CreateSequenceImpl.java
@@ -91,13 +91,11 @@ final class CreateSequenceImpl extends AbstractRowCountQuery implements
     private static final Set<SQLDialect>     NO_SUPPORT_IF_NOT_EXISTS = SQLDialect.supported(DERBY, FIREBIRD);
     private static final Set<SQLDialect>     REQUIRES_START_WITH      = SQLDialect.supported(DERBY);
     private static final Set<SQLDialect>     NO_SUPPORT_CACHE         = SQLDialect.supported(DERBY, FIREBIRD, HSQLDB);
-    private static final Set<SQLDialect>     NO_SUPPORT_CYCLE         = SQLDialect.supported(FIREBIRD);
-    private static final Set<SQLDialect>     NO_SUPPORT_INCREMENT_BY  = SQLDialect.supported(FIREBIRD);
-    private static final Set<SQLDialect>     NO_SUPPORT_MINVALUE      = SQLDialect.supported(FIREBIRD);
-    private static final Set<SQLDialect>     NO_SUPPORT_MAXVALUE      = SQLDialect.supported(FIREBIRD);
-    private static final Set<SQLDialect>     NO_SUPPORT_START_WITH    = SQLDialect.supported(FIREBIRD);
     private static final Set<SQLDialect>     NO_SEPARATOR             = SQLDialect.supported(CUBRID, MARIADB);
     private static final Set<SQLDialect>     OMIT_NO_CACHE            = SQLDialect.supported(FIREBIRD, POSTGRES);
+    private static final Set<SQLDialect>     OMIT_NO_CYCLE            = SQLDialect.supported(FIREBIRD);
+    private static final Set<SQLDialect>     OMIT_NO_MINVALUE         = SQLDialect.supported(FIREBIRD);
+    private static final Set<SQLDialect>     OMIT_NO_MAXVALUE         = SQLDialect.supported(FIREBIRD);
 
     private final Sequence<?>                sequence;
     private final boolean                    ifNotExists;
@@ -257,35 +255,29 @@ final class CreateSequenceImpl extends AbstractRowCountQuery implements
         ctx.visit(sequence);
         String noSeparator = NO_SEPARATOR.contains(family) ? "" : " ";
 
-        if (!NO_SUPPORT_START_WITH.contains(family))
+        // Some databases default to sequences starting with MIN_VALUE
+        if (startWith == null && REQUIRES_START_WITH.contains(family))
+            ctx.sql(' ').visit(K_START_WITH).sql(" 1");
+        else if (startWith != null)
+            ctx.sql(' ').visit(K_START_WITH).sql(' ').visit(startWith);
 
-            // Some databases default to sequences starting with MIN_VALUE
-            if (startWith == null && REQUIRES_START_WITH.contains(family))
-                ctx.sql(' ').visit(K_START_WITH).sql(" 1");
-            else if (startWith != null)
-                ctx.sql(' ').visit(K_START_WITH).sql(' ').visit(startWith);
+        if (incrementBy != null)
+            ctx.sql(' ').visit(K_INCREMENT_BY).sql(' ').visit(incrementBy);
 
-        if (!NO_SUPPORT_INCREMENT_BY.contains(family))
-            if (incrementBy != null)
-                ctx.sql(' ').visit(K_INCREMENT_BY).sql(' ').visit(incrementBy);
+        if (minvalue != null)
+            ctx.sql(' ').visit(K_MINVALUE).sql(' ').visit(minvalue);
+        else if (noMinvalue && !OMIT_NO_MINVALUE.contains(family))
+            ctx.sql(' ').visit(K_NO).sql(noSeparator).visit(K_MINVALUE);
 
-        if (!NO_SUPPORT_MINVALUE.contains(family))
-            if (minvalue != null)
-                ctx.sql(' ').visit(K_MINVALUE).sql(' ').visit(minvalue);
-            else if (noMinvalue)
-                ctx.sql(' ').visit(K_NO).sql(noSeparator).visit(K_MINVALUE);
+        if (maxvalue != null)
+            ctx.sql(' ').visit(K_MAXVALUE).sql(' ').visit(maxvalue);
+        else if (noMaxvalue && !OMIT_NO_MAXVALUE.contains(family))
+            ctx.sql(' ').visit(K_NO).sql(noSeparator).visit(K_MAXVALUE);
 
-        if (!NO_SUPPORT_MAXVALUE.contains(family))
-            if (maxvalue != null)
-                ctx.sql(' ').visit(K_MAXVALUE).sql(' ').visit(maxvalue);
-            else if (noMaxvalue)
-                ctx.sql(' ').visit(K_NO).sql(noSeparator).visit(K_MAXVALUE);
-
-        if (!NO_SUPPORT_CYCLE.contains(family))
-            if (cycle)
-                ctx.sql(' ').visit(K_CYCLE);
-            else if (noCycle)
-                ctx.sql(' ').visit(K_NO).sql(noSeparator).visit(K_CYCLE);
+        if (cycle)
+            ctx.sql(' ').visit(K_CYCLE);
+        else if (noCycle && !OMIT_NO_CYCLE.contains(family))
+            ctx.sql(' ').visit(K_NO).sql(noSeparator).visit(K_CYCLE);
 
         if (!NO_SUPPORT_CACHE.contains(family))
             if (cache != null)