diff --git a/index.ts b/index.ts
index df0653b..9cce4ac 100644
--- a/index.ts
+++ b/index.ts
@@ -18,6 +18,7 @@ import {
 import { Command } from "commander";
 import { RedisJson } from "./src/Redis/RedisJson";
 import { RedisGeohash } from "./src/Redis/RedisGeohash";
+import { StubDatabase } from "./src/StubDatabase";
 
 const program = new Command("geospatial-benchmark");
 
@@ -42,6 +43,7 @@ const databases: {
   mongo: new MongoDB(),
   redisJson: new RedisJson(),
   redisGeohash: new RedisGeohash(),
+  stub: new StubDatabase(),
 };
 
 let data: Array<TestData>;
@@ -128,7 +130,7 @@ new Promise<void>(async (resolve, reject) => {
     fs.writeFileSync(`./results/${title}.input`, JSON.stringify({ lng, lat }));
     for (const database of Object.values(databases)) {
       let data = await database.queryA(lng, lat);
-      let message = `${database.name()} => ${data}`;
+      let message = `${database.name()} => ${JSON.stringify(data)}`;
       console.log(message);
       output += message + "\n";
     }
@@ -214,9 +216,9 @@ new Promise<void>(async (resolve, reject) => {
     );
     for (const database of Object.values(databases)) {
       let data = await database.queryC(lng, lat, distance);
-      let message = `${database.name()} => ${data.length} => ${
+      let message = `${database.name()} => ${data.length} => ${JSON.stringify(
         data[data.length - 1]
-      }`;
+      )}`;
       console.log(message);
       output += message + "\n";
     }
diff --git a/src/StubDatabase.ts b/src/StubDatabase.ts
index 0233481..3a969e4 100644
--- a/src/StubDatabase.ts
+++ b/src/StubDatabase.ts
@@ -1,21 +1,36 @@
 import { TestData } from "./TestData";
 import { TestDatabase } from "./TestDatabase";
+import { delay } from "./utils";
 
 export class StubDatabase extends TestDatabase {
+  #size = 0;
+
   name(): string {
     return "Stub";
   }
 
   async connect(uri?: string | undefined): Promise<void> {}
   async disconnect(): Promise<void> {}
-  async cleanup(): Promise<void> {}
-  async create(data: Array<TestData>): Promise<void> {}
+  async cleanup(): Promise<void> {
+    this.#size = 0;
+  }
+  async create(data: Array<TestData>): Promise<void> {
+    this.#size += data.length;
+  }
   async prepare(): Promise<void> {}
   async usageReport(): Promise<object> {
-    return {};
+    return {
+      msg: "This is a stub database. Query ops should be static 100 ops/sec.",
+      size: this.#size,
+    };
+  }
+
+  #simulateQuery() {
+    return delay(0.01);
   }
 
   async queryA(lng: number, lat: number): Promise<TestData> {
+    await this.#simulateQuery();
     return {
       id: "stub",
       lng,
@@ -28,6 +43,7 @@ export class StubDatabase extends TestDatabase {
     lat: number,
     maxDistance: number
   ): Promise<Array<TestData>> {
+    await this.#simulateQuery();
     return [
       {
         id: "stub",
@@ -42,6 +58,7 @@ export class StubDatabase extends TestDatabase {
     lat: number,
     maxDistance: number
   ): Promise<Array<TestData>> {
+    await this.#simulateQuery();
     return [
       {
         id: "stub",