diff --git a/jOOQ/src/main/java/org/jooq/Select.java b/jOOQ/src/main/java/org/jooq/Select.java
index 4a2edecc26..4ecf1317ff 100644
--- a/jOOQ/src/main/java/org/jooq/Select.java
+++ b/jOOQ/src/main/java/org/jooq/Select.java
@@ -44,6 +44,7 @@ package org.jooq;
 import static org.jooq.SQLDialect.CUBRID;
 // ...
 import static org.jooq.SQLDialect.DERBY;
+import static org.jooq.SQLDialect.DUCKDB;
 // ...
 import static org.jooq.SQLDialect.H2;
 // ...
@@ -173,7 +174,7 @@ extends
      *             {@link StackOverflowError} when generating the SQL.
      */
     @NotNull @CheckReturnValue
-    @Support({ CUBRID, DERBY, H2, HSQLDB, IGNITE, MARIADB, MYSQL, POSTGRES, SQLITE, TRINO, YUGABYTEDB })
+    @Support({ CUBRID, DERBY, DUCKDB, H2, HSQLDB, IGNITE, MARIADB, MYSQL, POSTGRES, SQLITE, TRINO, YUGABYTEDB })
     Select<R> except(Select<? extends R> select);
 
     /**
@@ -190,7 +191,7 @@ extends
      *             {@link StackOverflowError} when generating the SQL.
      */
     @NotNull @CheckReturnValue
-    @Support({ CUBRID, DERBY, H2, HSQLDB, IGNITE, MARIADB, MYSQL, POSTGRES, SQLITE, TRINO, YUGABYTEDB })
+    @Support({ CUBRID, DERBY, DUCKDB, H2, HSQLDB, IGNITE, MARIADB, MYSQL, POSTGRES, SQLITE, TRINO, YUGABYTEDB })
     Select<R> exceptDistinct(Select<? extends R> select);
 
     /**
@@ -203,7 +204,7 @@ extends
      *             {@link StackOverflowError} when generating the SQL.
      */
     @NotNull @CheckReturnValue
-    @Support({ CUBRID, DERBY, HSQLDB, MARIADB, MYSQL, POSTGRES, TRINO, YUGABYTEDB })
+    @Support({ CUBRID, DERBY, DUCKDB, HSQLDB, MARIADB, MYSQL, POSTGRES, TRINO, YUGABYTEDB })
     Select<R> exceptAll(Select<? extends R> select);
 
     /**
@@ -223,7 +224,7 @@ extends
      *             {@link StackOverflowError} when generating the SQL.
      */
     @NotNull @CheckReturnValue
-    @Support({ CUBRID, DERBY, H2, HSQLDB, IGNITE, MARIADB, MYSQL, POSTGRES, SQLITE, TRINO, YUGABYTEDB })
+    @Support({ CUBRID, DERBY, DUCKDB, H2, HSQLDB, IGNITE, MARIADB, MYSQL, POSTGRES, SQLITE, TRINO, YUGABYTEDB })
     Select<R> intersect(Select<? extends R> select);
 
     /**
@@ -240,7 +241,7 @@ extends
      *             {@link StackOverflowError} when generating the SQL.
      */
     @NotNull @CheckReturnValue
-    @Support({ CUBRID, DERBY, H2, HSQLDB, IGNITE, MARIADB, MYSQL, POSTGRES, SQLITE, TRINO, YUGABYTEDB })
+    @Support({ CUBRID, DERBY, DUCKDB, H2, HSQLDB, IGNITE, MARIADB, MYSQL, POSTGRES, SQLITE, TRINO, YUGABYTEDB })
     Select<R> intersectDistinct(Select<? extends R> select);
 
     /**
@@ -253,7 +254,7 @@ extends
      *             {@link StackOverflowError} when generating the SQL.
      */
     @NotNull @CheckReturnValue
-    @Support({ CUBRID, DERBY, HSQLDB, MARIADB, MYSQL, POSTGRES, TRINO, YUGABYTEDB })
+    @Support({ CUBRID, DERBY, DUCKDB, HSQLDB, MARIADB, MYSQL, POSTGRES, TRINO, YUGABYTEDB })
     Select<R> intersectAll(Select<? extends R> select);
 
     /**
diff --git a/jOOQ/src/main/java/org/jooq/SelectUnionStep.java b/jOOQ/src/main/java/org/jooq/SelectUnionStep.java
index fabe44e9c5..2baec53fee 100644
--- a/jOOQ/src/main/java/org/jooq/SelectUnionStep.java
+++ b/jOOQ/src/main/java/org/jooq/SelectUnionStep.java
@@ -44,6 +44,7 @@ package org.jooq;
 import static org.jooq.SQLDialect.CUBRID;
 // ...
 import static org.jooq.SQLDialect.DERBY;
+import static org.jooq.SQLDialect.DUCKDB;
 // ...
 import static org.jooq.SQLDialect.H2;
 // ...
@@ -178,7 +179,7 @@ public interface SelectUnionStep<R extends Record> extends SelectCorrelatedSubqu
      */
     @Override
     @NotNull @CheckReturnValue
-    @Support({ CUBRID, DERBY, H2, HSQLDB, IGNITE, MARIADB, MYSQL, POSTGRES, SQLITE, TRINO, YUGABYTEDB })
+    @Support({ CUBRID, DERBY, DUCKDB, H2, HSQLDB, IGNITE, MARIADB, MYSQL, POSTGRES, SQLITE, TRINO, YUGABYTEDB })
     SelectOrderByStep<R> except(Select<? extends R> select);
 
     /**
@@ -190,7 +191,7 @@ public interface SelectUnionStep<R extends Record> extends SelectCorrelatedSubqu
      */
     @Override
     @NotNull @CheckReturnValue
-    @Support({ CUBRID, DERBY, H2, HSQLDB, IGNITE, MARIADB, MYSQL, POSTGRES, SQLITE, TRINO, YUGABYTEDB })
+    @Support({ CUBRID, DERBY, DUCKDB, H2, HSQLDB, IGNITE, MARIADB, MYSQL, POSTGRES, SQLITE, TRINO, YUGABYTEDB })
     SelectOrderByStep<R> exceptDistinct(Select<? extends R> select);
 
     /**
@@ -198,7 +199,7 @@ public interface SelectUnionStep<R extends Record> extends SelectCorrelatedSubqu
      */
     @Override
     @NotNull @CheckReturnValue
-    @Support({ CUBRID, DERBY, HSQLDB, MARIADB, MYSQL, POSTGRES, TRINO, YUGABYTEDB })
+    @Support({ CUBRID, DERBY, DUCKDB, HSQLDB, MARIADB, MYSQL, POSTGRES, TRINO, YUGABYTEDB })
     SelectOrderByStep<R> exceptAll(Select<? extends R> select);
 
     /**
@@ -213,7 +214,7 @@ public interface SelectUnionStep<R extends Record> extends SelectCorrelatedSubqu
      */
     @Override
     @NotNull @CheckReturnValue
-    @Support({ CUBRID, DERBY, H2, HSQLDB, IGNITE, MARIADB, MYSQL, POSTGRES, SQLITE, TRINO, YUGABYTEDB })
+    @Support({ CUBRID, DERBY, DUCKDB, H2, HSQLDB, IGNITE, MARIADB, MYSQL, POSTGRES, SQLITE, TRINO, YUGABYTEDB })
     SelectOrderByStep<R> intersect(Select<? extends R> select);
 
     /**
@@ -228,7 +229,7 @@ public interface SelectUnionStep<R extends Record> extends SelectCorrelatedSubqu
      */
     @Override
     @NotNull @CheckReturnValue
-    @Support({ CUBRID, DERBY, H2, HSQLDB, IGNITE, MARIADB, MYSQL, POSTGRES, SQLITE, TRINO, YUGABYTEDB })
+    @Support({ CUBRID, DERBY, DUCKDB, H2, HSQLDB, IGNITE, MARIADB, MYSQL, POSTGRES, SQLITE, TRINO, YUGABYTEDB })
     SelectOrderByStep<R> intersectDistinct(Select<? extends R> select);
 
     /**
@@ -236,6 +237,6 @@ public interface SelectUnionStep<R extends Record> extends SelectCorrelatedSubqu
      */
     @Override
     @NotNull @CheckReturnValue
-    @Support({ CUBRID, DERBY, HSQLDB, MARIADB, MYSQL, POSTGRES, TRINO, YUGABYTEDB })
+    @Support({ CUBRID, DERBY, DUCKDB, HSQLDB, MARIADB, MYSQL, POSTGRES, TRINO, YUGABYTEDB })
     SelectOrderByStep<R> intersectAll(Select<? extends R> select);
 }