diff --git a/finance/src/main/resources/migration/cash.changelog-master.xml b/finance/src/main/resources/migration/cash.changelog-master.xml
index db0ebd555a..4c1b7c5eb0 100644
--- a/finance/src/main/resources/migration/cash.changelog-master.xml
+++ b/finance/src/main/resources/migration/cash.changelog-master.xml
@@ -12,5 +12,6 @@
 <databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog" xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.5.xsd" >
 
     <include file="migration/cash.changelog-init.xml"/>
+    <include file="migration/cash.changelog-v1.xml"/>
 
 </databaseChangeLog>
diff --git a/node/src/main/resources/migration/node-core.changelog-v3-GA.xml b/finance/src/main/resources/migration/cash.changelog-v1.xml
similarity index 52%
rename from node/src/main/resources/migration/node-core.changelog-v3-GA.xml
rename to finance/src/main/resources/migration/cash.changelog-v1.xml
index 204fdaec6e..d1b8b9b554 100644
--- a/node/src/main/resources/migration/node-core.changelog-v3-GA.xml
+++ b/finance/src/main/resources/migration/cash.changelog-v1.xml
@@ -5,8 +5,11 @@
                    xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.5.xsd"
                    logicalFilePath="migration/node-services.changelog-init.xml">
 
-    <changeSet author="R3.Corda" id="rename_contract_attachment">
-        <renameTable newTableName="node_attachments_contracts"
-                     oldTableName="node_attchments_contracts"/>
+    <changeSet id="1525793504" author="R3.Corda">
+        <addNotNullConstraint tableName="contract_cash_states" columnName="ccy_code" columnDataType="NVARCHAR(3)"/>
+        <addNotNullConstraint tableName="contract_cash_states" columnName="issuer_key_hash"
+                              columnDataType="NVARCHAR(130)"/>
+        <addNotNullConstraint tableName="contract_cash_states" columnName="issuer_ref" columnDataType="varbinary(512)"/>
+        <addNotNullConstraint tableName="contract_cash_states" columnName="pennies" columnDataType="BIGINT"/>
     </changeSet>
-</databaseChangeLog>
+</databaseChangeLog>
\ No newline at end of file
diff --git a/finance/src/main/resources/migration/commercial-paper.changelog-master.xml b/finance/src/main/resources/migration/commercial-paper.changelog-master.xml
index 11428c1ff8..0eea96be21 100644
--- a/finance/src/main/resources/migration/commercial-paper.changelog-master.xml
+++ b/finance/src/main/resources/migration/commercial-paper.changelog-master.xml
@@ -12,5 +12,6 @@
 <databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog" xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.5.xsd">
 
     <include file="migration/commercial-paper.changelog-init.xml"/>
+    <include file="migration/commercial-paper.changelog-v1.xml"/>
 
 </databaseChangeLog>
diff --git a/finance/src/main/resources/migration/commercial-paper.changelog-v1.xml b/finance/src/main/resources/migration/commercial-paper.changelog-v1.xml
new file mode 100644
index 0000000000..be7638e4fe
--- /dev/null
+++ b/finance/src/main/resources/migration/commercial-paper.changelog-v1.xml
@@ -0,0 +1,24 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<!--
+  ~ R3 Proprietary and Confidential
+  ~
+  ~ Copyright (c) 2018 R3 Limited.  All rights reserved.
+  ~
+  ~ The intellectual and technical concepts contained herein are proprietary to R3 and its suppliers and are protected by trade secret law.
+  ~
+  ~ Distribution of this file or any portion thereof via any medium without the express permission of R3 is strictly prohibited.
+  -->
+
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog" xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.5.xsd">
+    <changeSet author="R3.Corda" id="1525962920">
+        <addNotNullConstraint tableName="cp_states" columnName="ccy_code" columnDataType="NVARCHAR(3)"/>
+        <addNotNullConstraint tableName="cp_states" columnName="face_value" columnDataType="BIGINT"/>
+        <addNotNullConstraint tableName="cp_states" columnName="face_value_issuer_key_hash" columnDataType="NVARCHAR(130)"/>
+        <addNotNullConstraint tableName="cp_states" columnName="face_value_issuer_ref" columnDataType="varbinary(512)"/>
+        <addNotNullConstraint tableName="cp_states" columnName="issuance_key_hash" columnDataType="NVARCHAR(130)"/>
+        <addNotNullConstraint tableName="cp_states" columnName="issuance_ref" columnDataType="varbinary(255)"/>
+        <addNotNullConstraint tableName="cp_states" columnName="maturity_instant" columnDataType="timestamp"/>
+        <addNotNullConstraint tableName="cp_states" columnName="owner_key_hash" columnDataType="NVARCHAR(130)"/>
+    </changeSet>
+
+</databaseChangeLog>
diff --git a/finance/src/test/resources/migration/sample-cash-v1.changelog-init.xml b/finance/src/test/resources/migration/sample-cash-v1.changelog-init.xml
index 171d052aff..f82108246a 100644
--- a/finance/src/test/resources/migration/sample-cash-v1.changelog-init.xml
+++ b/finance/src/test/resources/migration/sample-cash-v1.changelog-init.xml
@@ -21,11 +21,21 @@
             <column name="transaction_id" type="NVARCHAR(64)">
                 <constraints nullable="false"/>
             </column>
-            <column name="ccy_code" type="NVARCHAR(3)"/>
-            <column name="issuer_key_hash" type="NVARCHAR(130)"/>
-            <column name="issuer_ref" type="varbinary(512)"/>
-            <column name="owner_key_hash" type="NVARCHAR(130)"/>
-            <column name="pennies" type="BIGINT"/>
+            <column name="ccy_code" type="NVARCHAR(3)">
+                <constraints nullable="false"/>
+            </column>
+            <column name="issuer_key_hash" type="NVARCHAR(130)">
+                <constraints nullable="false"/>
+            </column>
+            <column name="issuer_ref" type="varbinary(512)">
+                <constraints nullable="false"/>
+            </column>
+            <column name="owner_key_hash" type="NVARCHAR(130)">
+                <constraints nullable="false"/>
+            </column>
+            <column name="pennies" type="BIGINT">
+                <constraints nullable="false"/>
+            </column>
         </createTable>
     </changeSet>
     <changeSet author="R3.Corda" id="1511451595465-28">
diff --git a/finance/src/test/resources/migration/sample-cash-v2.changelog-init.xml b/finance/src/test/resources/migration/sample-cash-v2.changelog-init.xml
index 856e0c21a1..f75eeb6782 100644
--- a/finance/src/test/resources/migration/sample-cash-v2.changelog-init.xml
+++ b/finance/src/test/resources/migration/sample-cash-v2.changelog-init.xml
@@ -23,10 +23,16 @@
                 <constraints nullable="false"/>
             </column>
             <column name="issuer_name" type="NVARCHAR(255)"/>
-            <column name="issuer_ref" type="VARBINARY(512)"/>
+            <column name="issuer_ref" type="VARBINARY(512)">
+                <constraints nullable="false"/>
+            </column>
             <column name="owner_name" type="NVARCHAR(255)"/>
-            <column name="quantity" type="BIGINT"/>
-            <column name="ccy_code" type="NVARCHAR(3)"/>
+            <column name="quantity" type="BIGINT">
+                <constraints nullable="false"/>
+            </column>
+            <column name="ccy_code" type="NVARCHAR(3)">
+                <constraints nullable="false"/>
+            </column>
         </createTable>
 
         <addPrimaryKey columnNames="output_index, transaction_id" constraintName="CONSTRAINT_D"
diff --git a/finance/src/test/resources/migration/sample-cash-v3.changelog-init.xml b/finance/src/test/resources/migration/sample-cash-v3.changelog-init.xml
index 19e5485a25..fa35394161 100644
--- a/finance/src/test/resources/migration/sample-cash-v3.changelog-init.xml
+++ b/finance/src/test/resources/migration/sample-cash-v3.changelog-init.xml
@@ -22,11 +22,21 @@
             <column name="transaction_id" type="NVARCHAR(64)">
                 <constraints nullable="false"/>
             </column>
-            <column name="ccy_code" type="NVARCHAR(3)"/>
-            <column name="issuer_name" type="NVARCHAR(255)"/>
-            <column name="issuer_ref" type="VARBINARY(512)"/>
-            <column name="owner_name" type="NVARCHAR(255)"/>
-            <column name="pennies" type="BIGINT"/>
+            <column name="ccy_code" type="NVARCHAR(3)">
+                <constraints nullable="false"/>
+            </column>
+            <column name="issuer_name" type="NVARCHAR(255)">
+                <constraints nullable="true"/>
+            </column>
+            <column name="issuer_ref" type="VARBINARY(512)">
+                <constraints nullable="false"/>
+            </column>
+            <column name="owner_name" type="NVARCHAR(255)">
+                <constraints nullable="true"/>
+            </column>
+            <column name="pennies" type="BIGINT">
+                <constraints nullable="false"/>
+            </column>
         </createTable>
 
         <addPrimaryKey columnNames="output_index, transaction_id" constraintName="CONSTRAINT_DC"
@@ -39,7 +49,9 @@
             <column name="transaction_id" type="NVARCHAR(64)">
                 <constraints nullable="false"/>
             </column>
-            <column name="participants" type="NVARCHAR(255)"/>
+            <column name="participants" type="NVARCHAR(255)">
+                <constraints nullable="true"/>
+            </column>
         </createTable>
 
     </changeSet>
diff --git a/finance/src/test/resources/migration/sample-cp-v1.changelog-init.xml b/finance/src/test/resources/migration/sample-cp-v1.changelog-init.xml
index 7cd2118e3d..5af035c5c1 100644
--- a/finance/src/test/resources/migration/sample-cp-v1.changelog-init.xml
+++ b/finance/src/test/resources/migration/sample-cp-v1.changelog-init.xml
@@ -21,14 +21,30 @@
             <column name="transaction_id" type="NVARCHAR(64)">
                 <constraints nullable="false"/>
             </column>
-            <column name="ccy_code" type="NVARCHAR(3)"/>
-            <column name="face_value" type="BIGINT"/>
-            <column name="face_value_issuer_key_hash" type="NVARCHAR(130)"/>
-            <column name="face_value_issuer_ref" type="varbinary(512)"/>
-            <column name="issuance_key_hash" type="NVARCHAR(130)"/>
-            <column name="issuance_ref" type="varbinary(255)"/>
-            <column name="maturity_instant" type="timestamp"/>
-            <column name="owner_key_hash" type="NVARCHAR(130)"/>
+            <column name="ccy_code" type="NVARCHAR(3)">
+                <constraints nullable="false"/>
+            </column>
+            <column name="face_value" type="BIGINT">
+                <constraints nullable="false"/>
+            </column>
+            <column name="face_value_issuer_key_hash" type="NVARCHAR(130)">
+                <constraints nullable="false"/>
+            </column>
+            <column name="face_value_issuer_ref" type="varbinary(512)">
+                <constraints nullable="false"/>
+            </column>
+            <column name="issuance_key_hash" type="NVARCHAR(130)">
+                <constraints nullable="false"/>
+            </column>
+            <column name="issuance_ref" type="varbinary(255)">
+                <constraints nullable="false"/>
+            </column>
+            <column name="maturity_instant" type="timestamp">
+                <constraints nullable="false"/>
+            </column>
+            <column name="owner_key_hash" type="NVARCHAR(130)">
+                <constraints nullable="false"/>
+            </column>
         </createTable>
     </changeSet>
     <changeSet author="R3.Corda" id="1511451595465-29">
diff --git a/finance/src/test/resources/migration/sample-cp-v2.changelog-init.xml b/finance/src/test/resources/migration/sample-cp-v2.changelog-init.xml
index 4c9eae6d69..11f463fc05 100644
--- a/finance/src/test/resources/migration/sample-cp-v2.changelog-init.xml
+++ b/finance/src/test/resources/migration/sample-cp-v2.changelog-init.xml
@@ -21,14 +21,30 @@
             <column name="transaction_id" type="NVARCHAR(64)">
                 <constraints nullable="false"/>
             </column>
-            <column name="issuer_name" type="NVARCHAR(255)"/>
-            <column name="issuer_ref" type="VARBINARY(512)"/>
-            <column name="owner_name" type="NVARCHAR(255)"/>
-            <column name="quantity" type="BIGINT"/>
-            <column name="ccy_code" type="NVARCHAR(3)"/>
-            <column name="face_value_issuer_key_hash" type="NVARCHAR(130)"/>
-            <column name="face_value_issuer_ref" type="VARBINARY(512)"/>
-            <column name="maturity_instant" type="TIMESTAMP"/>
+            <column name="issuer_name" type="NVARCHAR(255)">
+                <constraints nullable="true"/>
+            </column>
+            <column name="issuer_ref" type="VARBINARY(512)">
+                <constraints nullable="false"/>
+            </column>
+            <column name="owner_name" type="NVARCHAR(255)">
+                <constraints nullable="true"/>
+            </column>
+            <column name="quantity" type="BIGINT">
+                <constraints nullable="false"/>
+            </column>
+            <column name="ccy_code" type="NVARCHAR(3)">
+                <constraints nullable="false"/>
+            </column>
+            <column name="face_value_issuer_key_hash" type="NVARCHAR(130)">
+                <constraints nullable="false"/>
+            </column>
+            <column name="face_value_issuer_ref" type="VARBINARY(512)">
+                <constraints nullable="false"/>
+            </column>
+            <column name="maturity_instant" type="TIMESTAMP">
+                <constraints nullable="false"/>
+            </column>
         </createTable>
 
         <addPrimaryKey columnNames="output_index, transaction_id" constraintName="CONSTRAINT_5"
@@ -45,7 +61,9 @@
             <column name="transaction_id" type="NVARCHAR(64)">
                 <constraints nullable="false"/>
             </column>
-            <column name="participants" type="NVARCHAR(255)"/>
+            <column name="participants" type="NVARCHAR(255)">
+                <constraints nullable="true"/>
+            </column>
         </createTable>
 
         <addForeignKeyConstraint baseColumnNames="output_index,transaction_id"
diff --git a/node/src/integration-test/resources/migration/message-schema.changelog-init.xml b/node/src/integration-test/resources/migration/message-schema.changelog-init.xml
index 76416fce65..f6ef826168 100644
--- a/node/src/integration-test/resources/migration/message-schema.changelog-init.xml
+++ b/node/src/integration-test/resources/migration/message-schema.changelog-init.xml
@@ -27,4 +27,9 @@
         </createTable>
 
     </changeSet>
+    <changeSet id="1525962920" author="R3.Corda">
+        <addNotNullConstraint tableName="messages" columnName="message_by" columnDataType="NVARCHAR(255)" />
+        <addNotNullConstraint tableName="messages" columnName="message_value" columnDataType="NVARCHAR(255)" />
+    </changeSet>
+
 </databaseChangeLog>
\ No newline at end of file
diff --git a/node/src/main/kotlin/net/corda/node/services/persistence/RunOnceService.kt b/node/src/main/kotlin/net/corda/node/services/persistence/RunOnceService.kt
index 38d2c3839f..384422b8fb 100644
--- a/node/src/main/kotlin/net/corda/node/services/persistence/RunOnceService.kt
+++ b/node/src/main/kotlin/net/corda/node/services/persistence/RunOnceService.kt
@@ -66,16 +66,16 @@ class RunOnceService(private val database: CordaPersistence, private val machine
         @Id
         val id: Char = 'X'
 
-        @Column(name = MACHINE_NAME)
+        @Column(name = MACHINE_NAME, nullable = false)
         val machineName = machineNameInit
 
-        @Column(name = PID)
+        @Column(name = PID, nullable = false)
         val pid = pidInit
 
-        @Column(name = TIMESTAMP)
+        @Column(name = TIMESTAMP, nullable = false)
         val timestamp = timeStampInit
 
-        @Column(name = VERSION)
+        @Column(name = VERSION, nullable = false)
         val version = versionInit
     }
 
diff --git a/node/src/main/resources/migration/node-core.changelog-master.xml b/node/src/main/resources/migration/node-core.changelog-master.xml
index 2e039e8fae..c3f3f61022 100644
--- a/node/src/main/resources/migration/node-core.changelog-master.xml
+++ b/node/src/main/resources/migration/node-core.changelog-master.xml
@@ -16,5 +16,6 @@
 
     <include file="migration/node-core.changelog-init.xml"/>
     <include file="migration/node-core.changelog-v3.xml"/>
-    <include file="migration/node-core.changelog-v3-GA.xml"/>
+    <include file="migration/node-core.changelog-v4.xml"/>
+
 </databaseChangeLog>
diff --git a/node/src/main/resources/migration/node-core.changelog-v4.xml b/node/src/main/resources/migration/node-core.changelog-v4.xml
new file mode 100644
index 0000000000..203b89b95a
--- /dev/null
+++ b/node/src/main/resources/migration/node-core.changelog-v4.xml
@@ -0,0 +1,41 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.5.xsd">
+
+    <changeSet author="R3.Corda" id="attchments_rename">
+        <renameTable oldTableName="node_attchments_contracts" newTableName="node_attachments_contracts" />
+    </changeSet>
+
+    <changeSet author="R3.Corda" id="nullability">
+        <addNotNullConstraint tableName="node_identities" columnName="identity_value" columnDataType="blob" />
+
+        <addNotNullConstraint tableName="node_attachments" columnName="content" columnDataType="blob"/>
+
+        <addNotNullConstraint tableName="node_attachments_contracts" columnName="contract_class_name" columnDataType="NVARCHAR(255)"/>
+
+        <addNotNullConstraint tableName="node_checkpoints" columnName="checkpoint_value" columnDataType="blob"/>
+
+        <addNotNullConstraint tableName="node_contract_upgrades" columnName="contract_class_name" columnDataType="NVARCHAR(255)"/>
+
+        <addNotNullConstraint tableName="node_message_ids" columnName="insertion_time" columnDataType="timestamp"/>
+        <addNotNullConstraint tableName="node_message_ids" columnName="sequence_number" columnDataType="BIGINT"/>
+
+        <addNotNullConstraint tableName="node_message_retry" columnName="message" columnDataType="blob"/>
+        <addNotNullConstraint tableName="node_message_retry" columnName="recipients" columnDataType="blob"/>
+
+        <addNotNullConstraint tableName="node_named_identities" columnName="pk_hash" columnDataType="NVARCHAR(130)"/>
+
+        <addNotNullConstraint tableName="node_our_key_pairs" columnName="private_key" columnDataType="blob"/>
+        <addNotNullConstraint tableName="node_our_key_pairs" columnName="public_key" columnDataType="blob"/>
+
+        <addNotNullConstraint tableName="node_transaction_mappings" columnName="state_machine_run_id" columnDataType="NVARCHAR(36)"/>
+
+        <addNotNullConstraint tableName="node_transactions" columnName="transaction_value" columnDataType="blob"/>
+
+        <addNotNullConstraint tableName="node_mutual_exclusion" columnName="MACHINE_NAME" columnDataType="NVARCHAR(255)"/>
+        <addNotNullConstraint tableName="node_mutual_exclusion" columnName="PID" columnDataType="NVARCHAR(255)"/>
+        <addNotNullConstraint tableName="node_mutual_exclusion" columnName="MUTUAL_EXCLUSION_TIMESTAMP" columnDataType="timestamp"/>
+    </changeSet>
+</databaseChangeLog>
diff --git a/node/src/main/resources/migration/node-info.changelog-init.xml b/node/src/main/resources/migration/node-info.changelog-init.xml
index 4c2ffafa2d..3f339ab058 100644
--- a/node/src/main/resources/migration/node-info.changelog-init.xml
+++ b/node/src/main/resources/migration/node-info.changelog-init.xml
@@ -78,6 +78,7 @@
                                  referencedColumnNames="node_info_id" referencedTableName="node_infos"/>
     </changeSet>
     <changeSet author="R3.Corda" id="remove_host_port_pk">
+        <!--Delete, in fact,  truncates the table-->
         <delete tableName="node_infos"/>
         <delete tableName="node_link_nodeinfo_party"/>
         <delete tableName="node_info_hosts"/>
diff --git a/node/src/main/resources/migration/node-info.changelog-master.xml b/node/src/main/resources/migration/node-info.changelog-master.xml
index b309c209a8..a0184a9953 100644
--- a/node/src/main/resources/migration/node-info.changelog-master.xml
+++ b/node/src/main/resources/migration/node-info.changelog-master.xml
@@ -16,5 +16,6 @@
 
     <include file="migration/node-info.changelog-init.xml"/>
     <include file="migration/node-info.changelog-v1.xml"/>
+    <include file="migration/node-info.changelog-v2.xml"/>
 
 </databaseChangeLog>
diff --git a/node/src/main/resources/migration/node-info.changelog-v2.xml b/node/src/main/resources/migration/node-info.changelog-v2.xml
new file mode 100644
index 0000000000..54ae0bf3e2
--- /dev/null
+++ b/node/src/main/resources/migration/node-info.changelog-v2.xml
@@ -0,0 +1,27 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<!--
+  ~ R3 Proprietary and Confidential
+  ~
+  ~ Copyright (c) 2018 R3 Limited.  All rights reserved.
+  ~
+  ~ The intellectual and technical concepts contained herein are proprietary to R3 and its suppliers and are protected by trade secret law.
+  ~
+  ~ Distribution of this file or any portion thereof via any medium without the express permission of R3 is strictly prohibited.
+  -->
+
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.5.xsd">
+
+    <changeSet author="R3.Corda" id="1525962920">
+        <addNotNullConstraint tableName="node_infos" columnName="node_info_hash" columnDataType="NVARCHAR(64)"/>
+        <addNotNullConstraint tableName="node_infos" columnName="platform_version" columnDataType="INT"/>
+        <addNotNullConstraint tableName="node_infos" columnName="serial" columnDataType="BIGINT"/>
+
+        <dropNotNullConstraint tableName="node_info_hosts" columnName="host" columnDataType="NVARCHAR(255)" />
+        <dropNotNullConstraint tableName="node_info_hosts" columnName="port" columnDataType="INT" />
+
+        <addNotNullConstraint tableName="node_info_party_cert" columnName="owning_key_hash" columnDataType="NVARCHAR(130)"/>
+        <addNotNullConstraint tableName="node_info_party_cert" columnName="party_cert_binary" columnDataType="blob"/>
+    </changeSet>
+</databaseChangeLog>
\ No newline at end of file
diff --git a/node/src/main/resources/migration/node-notary.changelog-master.xml b/node/src/main/resources/migration/node-notary.changelog-master.xml
index 097f750a17..2071ac683a 100644
--- a/node/src/main/resources/migration/node-notary.changelog-master.xml
+++ b/node/src/main/resources/migration/node-notary.changelog-master.xml
@@ -15,5 +15,6 @@
                    xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.5.xsd">
 
     <include file="migration/node-notary.changelog-init.xml"/>
+    <include file="migration/node-notary.changelog-v1.xml"/>
 
 </databaseChangeLog>
diff --git a/node/src/main/resources/migration/node-notary.changelog-v1.xml b/node/src/main/resources/migration/node-notary.changelog-v1.xml
new file mode 100644
index 0000000000..33bc92036b
--- /dev/null
+++ b/node/src/main/resources/migration/node-notary.changelog-v1.xml
@@ -0,0 +1,26 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<!--
+  ~ R3 Proprietary and Confidential
+  ~
+  ~ Copyright (c) 2018 R3 Limited.  All rights reserved.
+  ~
+  ~ The intellectual and technical concepts contained herein are proprietary to R3 and its suppliers and are protected by trade secret law.
+  ~
+  ~ Distribution of this file or any portion thereof via any medium without the express permission of R3 is strictly prohibited.
+  -->
+
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.5.xsd"
+                   logicalFilePath="migration/node-services.changelog-init.xml">
+
+    <changeSet author="R3.Corda" id="nullability">
+        <addNotNullConstraint tableName="node_bft_committed_states" columnName="consuming_transaction_id" columnDataType="NVARCHAR(64)"/>
+
+        <addNotNullConstraint tableName="node_notary_committed_states" columnName="consuming_transaction_id" columnDataType="NVARCHAR(64)"/>
+
+        <addNotNullConstraint tableName="node_raft_committed_states" columnName="raft_log_index" columnDataType="BIGINT"/>
+        <addNotNullConstraint tableName="node_raft_committed_states" columnName="consuming_transaction_id" columnDataType="NVARCHAR(64)"/>
+    </changeSet>
+</databaseChangeLog>
\ No newline at end of file
diff --git a/node/src/main/resources/migration/vault-schema.changelog-master.xml b/node/src/main/resources/migration/vault-schema.changelog-master.xml
index ae0c268e9e..feefdc18dc 100644
--- a/node/src/main/resources/migration/vault-schema.changelog-master.xml
+++ b/node/src/main/resources/migration/vault-schema.changelog-master.xml
@@ -16,5 +16,6 @@
 
     <include file="migration/vault-schema.changelog-init.xml"/>
     <include file="migration/vault-schema.changelog-v3.xml"/>
+    <include file="migration/vault-schema.changelog-v4.xml"/>
 
 </databaseChangeLog>
diff --git a/node/src/main/resources/migration/vault-schema.changelog-v4.xml b/node/src/main/resources/migration/vault-schema.changelog-v4.xml
new file mode 100644
index 0000000000..e26a43d644
--- /dev/null
+++ b/node/src/main/resources/migration/vault-schema.changelog-v4.xml
@@ -0,0 +1,21 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.5.xsd">
+
+    <!--this is needed because pre-v3 states are no longer supported-->
+    <changeSet author="R3.Corda" id="nullability">
+        <addNotNullConstraint tableName="vault_fungible_states" columnName="quantity" columnDataType="BIGINT"/>
+        <addNotNullConstraint tableName="vault_fungible_states" columnName="quantity" columnDataType="BIGINT"/>
+
+
+        <addNotNullConstraint tableName="vault_states" columnName="contract_state_class_name" columnDataType="NVARCHAR(255)"/>
+        <addNotNullConstraint tableName="vault_states" columnName="notary_name" columnDataType="NVARCHAR(255)"/>
+        <addNotNullConstraint tableName="vault_states" columnName="recorded_timestamp" columnDataType="timestamp"/>
+        <addNotNullConstraint tableName="vault_states" columnName="state_status" columnDataType="INT"/>
+
+        <addNotNullConstraint tableName="vault_transaction_notes" columnName="note" columnDataType="NVARCHAR(255)"/>
+        <addNotNullConstraint tableName="vault_transaction_notes" columnName="transaction_id" columnDataType="NVARCHAR(64)"/>
+    </changeSet>
+</databaseChangeLog>
diff --git a/testing/test-utils/src/main/resources/migration/dummy-linear-v1.changelog-init.xml b/testing/test-utils/src/main/resources/migration/dummy-linear-v1.changelog-init.xml
index 8dbd82eb03..794c84bed5 100644
--- a/testing/test-utils/src/main/resources/migration/dummy-linear-v1.changelog-init.xml
+++ b/testing/test-utils/src/main/resources/migration/dummy-linear-v1.changelog-init.xml
@@ -51,4 +51,10 @@
 
     </changeSet>
 
+    <changeSet id="nullability" author="R3.Corda">
+        <addNotNullConstraint tableName="dummy_linear_states" columnName="linear_boolean" columnDataType="BOOLEAN"/>
+        <addNotNullConstraint tableName="dummy_linear_states" columnName="linear_number" columnDataType="BIGINT"/>
+        <addNotNullConstraint tableName="dummy_linear_states" columnName="linear_string" columnDataType="NVARCHAR(255)"/>
+        <addNotNullConstraint tableName="dummy_linear_states" columnName="linear_timestamp" columnDataType="TIMESTAMP"/>
+    </changeSet>
 </databaseChangeLog>
diff --git a/testing/test-utils/src/main/resources/migration/dummy-linear-v2.changelog-init.xml b/testing/test-utils/src/main/resources/migration/dummy-linear-v2.changelog-init.xml
index 3ce3aafc0b..22ae56116e 100644
--- a/testing/test-utils/src/main/resources/migration/dummy-linear-v2.changelog-init.xml
+++ b/testing/test-utils/src/main/resources/migration/dummy-linear-v2.changelog-init.xml
@@ -51,4 +51,10 @@
                                  referencedTableName="dummy_linear_states_v2"/>
 
     </changeSet>
+    <changeSet id="nullability" author="R3.Corda">
+        <addNotNullConstraint tableName="dummy_linear_states" columnName="linear_boolean" columnDataType="BOOLEAN"/>
+        <addNotNullConstraint tableName="dummy_linear_states" columnName="linear_number" columnDataType="BIGINT"/>
+        <addNotNullConstraint tableName="dummy_linear_states" columnName="linear_string" columnDataType="NVARCHAR(255)"/>
+        <addNotNullConstraint tableName="dummy_linear_states" columnName="linear_timestamp" columnDataType="TIMESTAMP"/>
+    </changeSet>
 </databaseChangeLog>