diff --git a/lesson_09/types/types_app/src/main/java/com/codedifferently/lesson9/dataprovider/DavidAdenaikeProvider.java b/lesson_09/types/types_app/src/main/java/com/codedifferently/lesson9/dataprovider/DavidAdenaikeProvider.java
new file mode 100644
index 000000000..8c8c2f03e
--- /dev/null
+++ b/lesson_09/types/types_app/src/main/java/com/codedifferently/lesson9/dataprovider/DavidAdenaikeProvider.java
@@ -0,0 +1,22 @@
+package com.codedifferently.lesson9.dataprovider;
+
+import java.util.Map;
+import org.springframework.stereotype.Service;
+
+@Service
+public class DavidAdenaikeProvider extends DataProvider {
+  public String getProviderName() {
+    return "davidadenaike";
+  }
+
+  public Map<String, Class> getColumnTypeByName() {
+    return Map.of(
+        "column1", Long.class,
+        "column2", String.class,
+        "column3", Float.class,
+        "column4", Integer.class,
+        "column5", Double.class,
+        "column6", Boolean.class,
+        "column7", Short.class);
+  }
+}
diff --git a/lesson_09/types/types_app/src/main/resources/data/davidadenaike.json b/lesson_09/types/types_app/src/main/resources/data/davidadenaike.json
new file mode 100644
index 000000000..497860e35
--- /dev/null
+++ b/lesson_09/types/types_app/src/main/resources/data/davidadenaike.json
@@ -0,0 +1,92 @@
+[
+  {
+    "column1": "1725907067299818752",
+    "column2": "es3nz",
+    "column3": "1.6000031E38",
+    "column4": "741408667",
+    "column5": "3.8851150229307076E307",
+    "column6": "false",
+    "column7": "30893"
+  },
+  {
+    "column1": "5482239776282095",
+    "column2": "vywq8po06mu",
+    "column3": "1.9245968E38",
+    "column4": "1670865706",
+    "column5": "3.230609507526012E307",
+    "column6": "false",
+    "column7": "11781"
+  },
+  {
+    "column1": "5606200791000273920",
+    "column2": "hwsdir74pf",
+    "column3": "8.861568E37",
+    "column4": "499740181",
+    "column5": "4.132235726854457E307",
+    "column6": "true",
+    "column7": "12082"
+  },
+  {
+    "column1": "3330803305162588160",
+    "column2": "c1mz3w67",
+    "column3": "2.3669304E38",
+    "column4": "1571066316",
+    "column5": "1.0266984014607512E307",
+    "column6": "false",
+    "column7": "22490"
+  },
+  {
+    "column1": "2759370044196984832",
+    "column2": "5huk9",
+    "column3": "1.3747959E38",
+    "column4": "157130865",
+    "column5": "9.456816684551622E307",
+    "column6": "false",
+    "column7": "3299"
+  },
+  {
+    "column1": "6505408894160886784",
+    "column2": "18zqwt",
+    "column3": "7.163637E37",
+    "column4": "573505415",
+    "column5": "1.4895369701262367E308",
+    "column6": "false",
+    "column7": "19039"
+  },
+  {
+    "column1": "5209446548101836800",
+    "column2": "5yq8ufk3dsi2",
+    "column3": "1.0211042E38",
+    "column4": "648860158",
+    "column5": "1.4283804313213708E308",
+    "column6": "true",
+    "column7": "7975"
+  },
+  {
+    "column1": "6165607233987799040",
+    "column2": "0r38oz",
+    "column3": "2.8866065E38",
+    "column4": "973454530",
+    "column5": "7.08506728029377E306",
+    "column6": "false",
+    "column7": "21551"
+  },
+  {
+    "column1": "2451749907280924160",
+    "column2": "14hfo50r7",
+    "column3": "2.0074817E38",
+    "column4": "1416388096",
+    "column5": "7.326021127336984E307",
+    "column6": "true",
+    "column7": "26177"
+  },
+  {
+    "column1": "4862898180735362048",
+    "column2": "wyd6u85",
+    "column3": "6.158012E35",
+    "column4": "1712721595",
+    "column5": "8.867113511770236E307",
+    "column6": "true",
+    "column7": "12388"
+  }
+]