diff --git a/jOOQ/src/main/java/org/jooq/JSONObjectNullStep.java b/jOOQ/src/main/java/org/jooq/JSONObjectNullStep.java
index bf3fa3b32e..6ffd174648 100644
--- a/jOOQ/src/main/java/org/jooq/JSONObjectNullStep.java
+++ b/jOOQ/src/main/java/org/jooq/JSONObjectNullStep.java
@@ -40,6 +40,8 @@ package org.jooq;
 // ...
 // ...
 import static org.jooq.SQLDialect.H2;
+import static org.jooq.SQLDialect.MARIADB;
+import static org.jooq.SQLDialect.MYSQL;
 // ...
 import static org.jooq.SQLDialect.POSTGRES;
 // ...
@@ -58,7 +60,7 @@ public interface JSONObjectNullStep<T> extends Field<T> {
     /**
      * Include <code>NULL</code> values in output JSON.
      */
-    @Support({ H2, POSTGRES })
+    @Support({ AURORA_POSTGRES, COCKROACHDB, MARIADB, MYSQL, H2, ORACLE12C, POSTGRES, SQLSERVER })
     Field<T> nullOnNull();
 
     /**
diff --git a/jOOQ/src/main/java/org/jooq/SelectForJSONCommonDirectivesStep.java b/jOOQ/src/main/java/org/jooq/SelectForJSONCommonDirectivesStep.java
index 9183e4630a..154e85f2d8 100644
--- a/jOOQ/src/main/java/org/jooq/SelectForJSONCommonDirectivesStep.java
+++ b/jOOQ/src/main/java/org/jooq/SelectForJSONCommonDirectivesStep.java
@@ -136,6 +136,8 @@ package org.jooq;
 
 
 
+
+
 
 
 
diff --git a/jOOQ/src/main/java/org/jooq/SelectForJSONStep.java b/jOOQ/src/main/java/org/jooq/SelectForJSONStep.java
index bd95005eb9..bcb09fb99b 100644
--- a/jOOQ/src/main/java/org/jooq/SelectForJSONStep.java
+++ b/jOOQ/src/main/java/org/jooq/SelectForJSONStep.java
@@ -40,6 +40,8 @@ package org.jooq;
 // ...
 // ...
 import static org.jooq.SQLDialect.H2;
+import static org.jooq.SQLDialect.MARIADB;
+import static org.jooq.SQLDialect.MYSQL;
 // ...
 import static org.jooq.SQLDialect.POSTGRES;
 
diff --git a/jOOQ/src/main/java/org/jooq/SelectForStep.java b/jOOQ/src/main/java/org/jooq/SelectForStep.java
index d367e52f8f..ded7c0c6ca 100644
--- a/jOOQ/src/main/java/org/jooq/SelectForStep.java
+++ b/jOOQ/src/main/java/org/jooq/SelectForStep.java
@@ -40,6 +40,8 @@ package org.jooq;
 // ...
 // ...
 import static org.jooq.SQLDialect.H2;
+import static org.jooq.SQLDialect.MARIADB;
+import static org.jooq.SQLDialect.MYSQL;
 // ...
 import static org.jooq.SQLDialect.POSTGRES;
 // ...
diff --git a/jOOQ/src/main/java/org/jooq/SelectQuery.java b/jOOQ/src/main/java/org/jooq/SelectQuery.java
index e93ad76403..88f24a9141 100644
--- a/jOOQ/src/main/java/org/jooq/SelectQuery.java
+++ b/jOOQ/src/main/java/org/jooq/SelectQuery.java
@@ -59,6 +59,7 @@ import static org.jooq.SQLDialect.MYSQL;
 // ...
 // ...
 // ...
+// ...
 import static org.jooq.SQLDialect.POSTGRES;
 // ...
 // ...
diff --git a/jOOQ/src/main/java/org/jooq/impl/JSONObject.java b/jOOQ/src/main/java/org/jooq/impl/JSONObject.java
index 15b5588d21..a01bdc4884 100644
--- a/jOOQ/src/main/java/org/jooq/impl/JSONObject.java
+++ b/jOOQ/src/main/java/org/jooq/impl/JSONObject.java
@@ -38,6 +38,8 @@
 package org.jooq.impl;
 
 import static org.jooq.SQLDialect.H2;
+import static org.jooq.SQLDialect.MARIADB;
+import static org.jooq.SQLDialect.MYSQL;
 import static org.jooq.impl.DSL.asterisk;
 import static org.jooq.impl.DSL.inline;
 import static org.jooq.impl.DSL.row;
@@ -54,6 +56,7 @@ import static org.jooq.impl.Names.N_JSON_OBJECT;
 import static org.jooq.impl.Names.N_T;
 
 import java.util.Collection;
+import java.util.Set;
 
 import org.jooq.Context;
 import org.jooq.DataType;
@@ -61,6 +64,7 @@ import org.jooq.Field;
 import org.jooq.JSONEntry;
 import org.jooq.JSONObjectNullStep;
 import org.jooq.Name;
+import org.jooq.SQLDialect;
 // ...
 
 
@@ -74,7 +78,9 @@ final class JSONObject<J> extends AbstractField<J> implements JSONObjectNullStep
     /**
      * Generated UID
      */
-    private static final long                 serialVersionUID = 1772007627336725780L;
+    private static final long                 serialVersionUID          = 1772007627336725780L;
+    static final Set<SQLDialect>              NO_SUPPORT_ABSENT_ON_NULL = SQLDialect.supportedBy(MARIADB, MYSQL);
+
     private final QueryPartList<JSONEntry<?>> args;
     private final NullClause                  nullClause;
 
@@ -173,14 +179,15 @@ final class JSONObject<J> extends AbstractField<J> implements JSONObjectNullStep
             default:
                 ctx.visit(K_JSON_OBJECT).sql('(').visit(args);
 
-                if (nullClause == NULL_ON_NULL)
-                    ctx.sql(' ').visit(K_NULL).sql(' ').visit(K_ON).sql(' ').visit(K_NULL);
-                else if (nullClause == ABSENT_ON_NULL)
-                    ctx.sql(' ').visit(K_ABSENT).sql(' ').visit(K_ON).sql(' ').visit(K_NULL);
+                if (!NO_SUPPORT_ABSENT_ON_NULL.contains(ctx.dialect()))
+                    if (nullClause == NULL_ON_NULL)
+                        ctx.sql(' ').visit(K_NULL).sql(' ').visit(K_ON).sql(' ').visit(K_NULL);
+                    else if (nullClause == ABSENT_ON_NULL)
+                        ctx.sql(' ').visit(K_ABSENT).sql(' ').visit(K_ON).sql(' ').visit(K_NULL);
 
-                // Workaround for https://github.com/h2database/h2database/issues/2496
-                else if (ctx.family() == H2 && args.isEmpty())
-                    ctx.visit(K_NULL).sql(' ').visit(K_ON).sql(' ').visit(K_NULL);
+                    // Workaround for https://github.com/h2database/h2database/issues/2496
+                    else if (ctx.family() == H2 && args.isEmpty())
+                        ctx.visit(K_NULL).sql(' ').visit(K_ON).sql(' ').visit(K_NULL);
 
                 ctx.sql(')');
                 break;
diff --git a/jOOQ/src/main/java/org/jooq/impl/SelectQueryImpl.java b/jOOQ/src/main/java/org/jooq/impl/SelectQueryImpl.java
index 2fa445135d..d967e4b8a5 100644
--- a/jOOQ/src/main/java/org/jooq/impl/SelectQueryImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/SelectQueryImpl.java
@@ -101,6 +101,7 @@ import static org.jooq.impl.DSL.name;
 import static org.jooq.impl.DSL.one;
 import static org.jooq.impl.DSL.orderBy;
 import static org.jooq.impl.DSL.row;
+import static org.jooq.impl.JSONObject.NO_SUPPORT_ABSENT_ON_NULL;
 import static org.jooq.impl.Keywords.K_AND;
 import static org.jooq.impl.Keywords.K_BY;
 import static org.jooq.impl.Keywords.K_CONNECT_BY;
@@ -576,6 +577,8 @@ final class SelectQueryImpl<R extends Record> extends AbstractResultQuery<R> imp
 
 
 
+
+