diff --git a/pom.xml b/pom.xml
index 7e09c774..cb61d6f2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -51,7 +51,7 @@
       <dependency>
          <groupId>com.kingsrook.qqq</groupId>
          <artifactId>qqq-backend-core</artifactId>
-         <version>0.0.0-20220624.210809-12</version>
+         <version>0.0.0-20220628.161829-14</version>
       </dependency>
 
       <!-- 3rd party deps specifically for this module -->
diff --git a/src/main/java/com/kingsrook/qqq/backend/module/rdbms/actions/AbstractRDBMSAction.java b/src/main/java/com/kingsrook/qqq/backend/module/rdbms/actions/AbstractRDBMSAction.java
index 366fa44c..d7837ff3 100644
--- a/src/main/java/com/kingsrook/qqq/backend/module/rdbms/actions/AbstractRDBMSAction.java
+++ b/src/main/java/com/kingsrook/qqq/backend/module/rdbms/actions/AbstractRDBMSAction.java
@@ -22,10 +22,12 @@
 package com.kingsrook.qqq.backend.module.rdbms.actions;
 
 
+import java.io.Serializable;
 import java.sql.Connection;
 import java.sql.SQLException;
 import com.kingsrook.qqq.backend.core.model.actions.AbstractQTableRequest;
 import com.kingsrook.qqq.backend.core.model.metadata.QFieldMetaData;
+import com.kingsrook.qqq.backend.core.model.metadata.QFieldType;
 import com.kingsrook.qqq.backend.core.model.metadata.QTableMetaData;
 import com.kingsrook.qqq.backend.core.utils.StringUtils;
 import com.kingsrook.qqq.backend.module.rdbms.jdbc.ConnectionManager;
@@ -82,4 +84,24 @@ public abstract class AbstractRDBMSAction
       ConnectionManager connectionManager = new ConnectionManager();
       return connectionManager.getConnection((RDBMSBackendMetaData) qTableRequest.getBackend());
    }
+
+
+
+   /*******************************************************************************
+    ** Handle obvious problems with values - like empty string for integer should be null.
+    **
+    *******************************************************************************/
+   protected Serializable scrubValue(QFieldMetaData field, Serializable value)
+   {
+      if("".equals(value))
+      {
+         QFieldType type = field.getType();
+         if(type.equals(QFieldType.INTEGER) || type.equals(QFieldType.DECIMAL) || type.equals(QFieldType.DATE) || type.equals(QFieldType.DATE_TIME))
+         {
+            value = null;
+         }
+      }
+
+      return (value);
+   }
 }
diff --git a/src/main/java/com/kingsrook/qqq/backend/module/rdbms/actions/RDBMSInsertAction.java b/src/main/java/com/kingsrook/qqq/backend/module/rdbms/actions/RDBMSInsertAction.java
index 74b83a8f..c55fff9f 100644
--- a/src/main/java/com/kingsrook/qqq/backend/module/rdbms/actions/RDBMSInsertAction.java
+++ b/src/main/java/com/kingsrook/qqq/backend/module/rdbms/actions/RDBMSInsertAction.java
@@ -22,6 +22,7 @@
 package com.kingsrook.qqq.backend.module.rdbms.actions;
 
 
+import java.io.Serializable;
 import java.sql.Connection;
 import java.util.ArrayList;
 import java.util.List;
@@ -55,7 +56,7 @@ public class RDBMSInsertAction extends AbstractRDBMSAction implements InsertInte
 
       try
       {
-         InsertResult rs = new InsertResult();
+         InsertResult   rs    = new InsertResult();
          QTableMetaData table = insertRequest.getTable();
 
          List<QFieldMetaData> insertableFields = table.getFields().values().stream()
@@ -69,9 +70,9 @@ public class RDBMSInsertAction extends AbstractRDBMSAction implements InsertInte
             .map(x -> "?")
             .collect(Collectors.joining(", "));
 
-         String tableName = getTableName(table);
-         StringBuilder sql = new StringBuilder("INSERT INTO ").append(tableName).append("(").append(columns).append(") VALUES");
-         List<Object> params = new ArrayList<>();
+         String        tableName = getTableName(table);
+         StringBuilder sql       = new StringBuilder("INSERT INTO ").append(tableName).append("(").append(columns).append(") VALUES");
+         List<Object>  params    = new ArrayList<>();
 
          int recordIndex = 0;
          for(QRecord record : insertRequest.getRecords())
@@ -83,7 +84,10 @@ public class RDBMSInsertAction extends AbstractRDBMSAction implements InsertInte
             sql.append("(").append(questionMarks).append(")");
             for(QFieldMetaData field : insertableFields)
             {
-               params.add(record.getValue(field.getName()));
+               Serializable value = record.getValue(field.getName());
+               value = scrubValue(field, value);
+
+               params.add(value);
             }
          }
 
@@ -95,14 +99,14 @@ public class RDBMSInsertAction extends AbstractRDBMSAction implements InsertInte
 
          // todo - non-serial-id style tables
          // todo - other generated values, e.g., createDate...  maybe need to re-select?
-         Connection connection = getConnection(insertRequest);
-         List<Integer> idList = QueryManager.executeInsertForGeneratedIds(connection, sql.toString(), params);
+         Connection    connection    = getConnection(insertRequest);
+         List<Integer> idList        = QueryManager.executeInsertForGeneratedIds(connection, sql.toString(), params);
          List<QRecord> outputRecords = new ArrayList<>();
          rs.setRecords(outputRecords);
          int index = 0;
          for(QRecord record : insertRequest.getRecords())
          {
-            Integer id = idList.get(index++);
+            Integer id           = idList.get(index++);
             QRecord outputRecord = new QRecord(record);
             outputRecord.setValue(table.getPrimaryKeyField(), id);
             outputRecords.add(outputRecord);
diff --git a/src/main/java/com/kingsrook/qqq/backend/module/rdbms/actions/RDBMSQueryAction.java b/src/main/java/com/kingsrook/qqq/backend/module/rdbms/actions/RDBMSQueryAction.java
index 67837e73..6c892ee8 100644
--- a/src/main/java/com/kingsrook/qqq/backend/module/rdbms/actions/RDBMSQueryAction.java
+++ b/src/main/java/com/kingsrook/qqq/backend/module/rdbms/actions/RDBMSQueryAction.java
@@ -45,6 +45,8 @@ import com.kingsrook.qqq.backend.core.model.metadata.QTableMetaData;
 import com.kingsrook.qqq.backend.core.modules.interfaces.QueryInterface;
 import com.kingsrook.qqq.backend.core.utils.CollectionUtils;
 import com.kingsrook.qqq.backend.module.rdbms.jdbc.QueryManager;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 
 
 /*******************************************************************************
@@ -52,6 +54,7 @@ import com.kingsrook.qqq.backend.module.rdbms.jdbc.QueryManager;
  *******************************************************************************/
 public class RDBMSQueryAction extends AbstractRDBMSAction implements QueryInterface
 {
+   private static final Logger LOG = LogManager.getLogger(RDBMSQueryAction.class);
 
    /*******************************************************************************
     **
@@ -127,7 +130,7 @@ public class RDBMSQueryAction extends AbstractRDBMSAction implements QueryInterf
       }
       catch(Exception e)
       {
-         e.printStackTrace();
+         LOG.warn("Error executing query", e);
          throw new QException("Error executing query", e);
       }
    }
diff --git a/src/main/java/com/kingsrook/qqq/backend/module/rdbms/actions/RDBMSUpdateAction.java b/src/main/java/com/kingsrook/qqq/backend/module/rdbms/actions/RDBMSUpdateAction.java
index 6bd0a720..c9bdb280 100644
--- a/src/main/java/com/kingsrook/qqq/backend/module/rdbms/actions/RDBMSUpdateAction.java
+++ b/src/main/java/com/kingsrook/qqq/backend/module/rdbms/actions/RDBMSUpdateAction.java
@@ -22,6 +22,7 @@
 package com.kingsrook.qqq.backend.module.rdbms.actions;
 
 
+import java.io.Serializable;
 import java.sql.Connection;
 import java.util.ArrayList;
 import java.util.List;
@@ -85,7 +86,9 @@ public class RDBMSUpdateAction extends AbstractRDBMSAction implements UpdateInte
                List<Object> params = new ArrayList<>();
                for(QFieldMetaData field : updateableFields)
                {
-                  params.add(record.getValue(field.getName()));
+                  Serializable value = record.getValue(field.getName());
+                  value = scrubValue(field, value);
+                  params.add(value);
                }
                params.add(record.getValue(table.getPrimaryKeyField()));
 
diff --git a/src/main/java/com/kingsrook/qqq/backend/module/rdbms/model/metadata/RDBMSBackendMetaData.java b/src/main/java/com/kingsrook/qqq/backend/module/rdbms/model/metadata/RDBMSBackendMetaData.java
index e5fa34bb..4c5e73df 100644
--- a/src/main/java/com/kingsrook/qqq/backend/module/rdbms/model/metadata/RDBMSBackendMetaData.java
+++ b/src/main/java/com/kingsrook/qqq/backend/module/rdbms/model/metadata/RDBMSBackendMetaData.java
@@ -23,6 +23,7 @@ package com.kingsrook.qqq.backend.module.rdbms.model.metadata;
 
 
 import com.kingsrook.qqq.backend.core.model.metadata.QBackendMetaData;
+import com.kingsrook.qqq.backend.core.model.metadata.QSecretReader;
 import com.kingsrook.qqq.backend.module.rdbms.RDBMSBackendModule;
 
 
@@ -252,4 +253,20 @@ public class RDBMSBackendMetaData extends QBackendMetaData
       this.password = password;
       return (this);
    }
+
+
+
+   /*******************************************************************************
+    ** Called by the QInstanceEnricher - to do backend-type-specific enrichments.
+    ** Original use case is:  reading secrets into fields (e.g., passwords).
+    *******************************************************************************/
+   @Override
+   public void enrich()
+   {
+      super.enrich();
+      QSecretReader secretReader = new QSecretReader();
+      username = secretReader.readSecret(username);
+      password = secretReader.readSecret(password);
+   }
+
 }