diff --git a/jOOQ/src/main/java/org/jooq/DSLContext.java b/jOOQ/src/main/java/org/jooq/DSLContext.java
index f4cf3b71a8..db3806d53c 100644
--- a/jOOQ/src/main/java/org/jooq/DSLContext.java
+++ b/jOOQ/src/main/java/org/jooq/DSLContext.java
@@ -7201,6 +7201,30 @@ public interface DSLContext extends Scope , AutoCloseable  {
     @Support({ CUBRID, DERBY, FIREBIRD, H2, HSQLDB, POSTGRES })
     CreateSequenceFinalStep createSequence(Sequence<?> sequence);
 
+    /**
+     * Create a new DSL <code>CREATE SEQUENCE</code> statement.
+     *
+     * @see DSL#createSequenceIfNotExists(String)
+     */
+    @Support({ FIREBIRD, H2, HSQLDB, POSTGRES })
+    CreateSequenceFinalStep createSequenceIfNotExists(String sequence);
+
+    /**
+     * Create a new DSL <code>CREATE SEQUENCE</code> statement.
+     *
+     * @see DSL#createSequenceIfNotExists(Name)
+     */
+    @Support({ FIREBIRD, H2, HSQLDB, POSTGRES })
+    CreateSequenceFinalStep createSequenceIfNotExists(Name sequence);
+
+    /**
+     * Create a new DSL <code>CREATE SEQUENCE</code> statement.
+     *
+     * @see DSL#createSequenceIfNotExists(String)
+     */
+    @Support({ FIREBIRD, H2, HSQLDB, POSTGRES })
+    CreateSequenceFinalStep createSequenceIfNotExists(Sequence<?> sequence);
+
     /**
      * Create a new DSL <code>ALTER SEQUENCE</code> statement.
      *
diff --git a/jOOQ/src/main/java/org/jooq/impl/CreateSequenceImpl.java b/jOOQ/src/main/java/org/jooq/impl/CreateSequenceImpl.java
index 4c51253157..df5d1dc354 100644
--- a/jOOQ/src/main/java/org/jooq/impl/CreateSequenceImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/CreateSequenceImpl.java
@@ -43,8 +43,14 @@ package org.jooq.impl;
 import static java.util.Arrays.asList;
 import static org.jooq.Clause.CREATE_SEQUENCE;
 import static org.jooq.Clause.CREATE_SEQUENCE_SEQUENCE;
+// ...
+// ...
 import static org.jooq.SQLDialect.CUBRID;
+// ...
 import static org.jooq.SQLDialect.DERBY;
+import static org.jooq.SQLDialect.FIREBIRD;
+// ...
+// ...
 // ...
 
 import org.jooq.Clause;
@@ -68,25 +74,47 @@ class CreateSequenceImpl extends AbstractQuery implements
     private static final Clause[] CLAUSES          = { CREATE_SEQUENCE };
 
     private final Sequence<?>     sequence;
+    private final boolean         ifNotExists;
 
-    CreateSequenceImpl(Configuration configuration, Sequence<?> sequence) {
+    CreateSequenceImpl(Configuration configuration, Sequence<?> sequence, boolean ifNotExists) {
         super(configuration);
 
         this.sequence = sequence;
+        this.ifNotExists = ifNotExists;
     }
 
     // ------------------------------------------------------------------------
     // XXX: QueryPart API
     // ------------------------------------------------------------------------
 
+    private final boolean supportsIfNotExists(Context<?> ctx) {
+        return !asList(DERBY, FIREBIRD).contains(ctx.family());
+    }
+
     @Override
     public final void accept(Context<?> ctx) {
+        if (ifNotExists && !supportsIfNotExists(ctx)) {
+            Utils.executeImmediateBegin(ctx, DDLStatementType.CREATE_SEQUENCE);
+            accept0(ctx);
+            Utils.executeImmediateEnd(ctx, DDLStatementType.CREATE_SEQUENCE);
+        }
+        else {
+            accept0(ctx);
+        }
+    }
+
+    private final void accept0(Context<?> ctx) {
         ctx.start(CREATE_SEQUENCE_SEQUENCE)
            .keyword("create")
            .sql(' ')
            .keyword(ctx.family() == CUBRID ? "serial" : "sequence")
-           .sql(' ')
-           .visit(sequence);
+           .sql(' ');
+
+        if (ifNotExists && supportsIfNotExists(ctx))
+            ctx.keyword("if not exists")
+               .sql(' ');
+
+        ctx.visit(sequence);
 
         // Some databases default to sequences starting with MIN_VALUE
         if (asList(DERBY).contains(ctx.family()))
diff --git a/jOOQ/src/main/java/org/jooq/impl/DSL.java b/jOOQ/src/main/java/org/jooq/impl/DSL.java
index c9e7d51658..22ac055149 100644
--- a/jOOQ/src/main/java/org/jooq/impl/DSL.java
+++ b/jOOQ/src/main/java/org/jooq/impl/DSL.java
@@ -5715,6 +5715,36 @@ public class DSL {
         return using(new DefaultConfiguration()).createSequence(sequence);
     }
 
+    /**
+     * Create a new DSL <code>CREATE SEQUENCE IF NOT EXISTS</code> statement.
+     *
+     * @see DSLContext#createSequenceIfNotExists(String)
+     */
+    @Support({ FIREBIRD, H2, HSQLDB, POSTGRES })
+    public static CreateSequenceFinalStep createSequenceIfNotExists(String sequence) {
+        return using(new DefaultConfiguration()).createSequenceIfNotExists(sequence);
+    }
+
+    /**
+     * Create a new DSL <code>CREATE SEQUENCE IF NOT EXISTS</code> statement.
+     *
+     * @see DSLContext#createSequenceIfNotExists(Name)
+     */
+    @Support({ FIREBIRD, H2, HSQLDB, POSTGRES })
+    public static CreateSequenceFinalStep createSequenceIfNotExists(Name sequence) {
+        return using(new DefaultConfiguration()).createSequenceIfNotExists(sequence);
+    }
+
+    /**
+     * Create a new DSL <code>CREATE SEQUENCE IF NOT EXISTS</code> statement.
+     *
+     * @see DSLContext#createSequenceIfNotExists(Sequence)
+     */
+    @Support({ FIREBIRD, H2, HSQLDB, POSTGRES })
+    public static CreateSequenceFinalStep createSequenceIfNotExists(Sequence<?> sequence) {
+        return using(new DefaultConfiguration()).createSequenceIfNotExists(sequence);
+    }
+
     /**
      * Create a new DSL <code>ALTER SEQUENCE</code> statement.
      *
diff --git a/jOOQ/src/main/java/org/jooq/impl/DefaultDSLContext.java b/jOOQ/src/main/java/org/jooq/impl/DefaultDSLContext.java
index f79391d280..74ad054843 100644
--- a/jOOQ/src/main/java/org/jooq/impl/DefaultDSLContext.java
+++ b/jOOQ/src/main/java/org/jooq/impl/DefaultDSLContext.java
@@ -2297,7 +2297,22 @@ public class DefaultDSLContext extends AbstractScope implements DSLContext, Seri
 
     @Override
     public CreateSequenceFinalStep createSequence(Sequence<?> sequence) {
-        return new CreateSequenceImpl(configuration(), sequence);
+        return new CreateSequenceImpl(configuration(), sequence, false);
+    }
+
+    @Override
+    public CreateSequenceFinalStep createSequenceIfNotExists(String sequence) {
+        return createSequenceIfNotExists(name(sequence));
+    }
+
+    @Override
+    public CreateSequenceFinalStep createSequenceIfNotExists(Name sequence) {
+        return createSequenceIfNotExists(sequence(sequence));
+    }
+
+    @Override
+    public CreateSequenceFinalStep createSequenceIfNotExists(Sequence<?> sequence) {
+        return new CreateSequenceImpl(configuration(), sequence, true);
     }
 
     @Override
diff --git a/jOOQ/src/main/java/org/jooq/impl/DefaultRenderContext.java b/jOOQ/src/main/java/org/jooq/impl/DefaultRenderContext.java
index dd67ac216b..5c5d838265 100644
--- a/jOOQ/src/main/java/org/jooq/impl/DefaultRenderContext.java
+++ b/jOOQ/src/main/java/org/jooq/impl/DefaultRenderContext.java
@@ -118,9 +118,13 @@ class DefaultRenderContext extends AbstractContext<RenderContext> implements Ren
         qualifyCatalog(context.qualifyCatalog());
         qualifySchema(context.qualifySchema());
         castMode(context.castMode());
-        declareFields(context.declareFields());
-        declareTables(context.declareTables());
         data().putAll(context.data());
+
+        declareCTE = context.declareCTE();
+        declareWindows = context.declareWindows();
+        declareFields = context.declareFields();
+        declareTables = context.declareTables();
+        declareAliases = context.declareAliases();
     }
 
     // ------------------------------------------------------------------------