diff --git a/src/Explorer/Tables/DataTable/CacheBase.ts b/src/Explorer/Tables/DataTable/CacheBase.ts
index e18d1dc1b..e5df50dd4 100644
--- a/src/Explorer/Tables/DataTable/CacheBase.ts
+++ b/src/Explorer/Tables/DataTable/CacheBase.ts
@@ -1,5 +1,5 @@
 abstract class CacheBase<T> {
-  public data: T[];
+  public data: T[] | null;
   public sortOrder: any;
   public serverCallInProgress: boolean;
 
diff --git a/src/Explorer/Tables/Entities.ts b/src/Explorer/Tables/Entities.ts
index 0972e8410..f5f3f3386 100644
--- a/src/Explorer/Tables/Entities.ts
+++ b/src/Explorer/Tables/Entities.ts
@@ -7,7 +7,7 @@ export interface ITableEntity {
 export interface ITableEntityForTablesAPI extends ITableEntity {
   PartitionKey: ITableEntityAttribute;
   RowKey: ITableEntityAttribute;
-  Timestamp?: ITableEntityAttribute;
+  Timestamp: ITableEntityAttribute;
 }
 
 export interface ITableEntityAttribute {
diff --git a/tsconfig.strict.json b/tsconfig.strict.json
index ae44faaaf..e0432eb30 100644
--- a/tsconfig.strict.json
+++ b/tsconfig.strict.json
@@ -61,6 +61,8 @@
     "./src/Explorer/Tables/Constants.ts",
     "./src/Explorer/Tables/CqlUtilities.ts",
     "./src/Explorer/Tables/QueryBuilder/DateTimeUtilities.ts",
+    "./src/Explorer/Tables/DataTable/CacheBase.ts",
+    "./src/Explorer/Tables/Entities.ts",
     "./src/Explorer/Tabs/TabComponents.ts",
     "./src/GitHub/GitHubConnector.ts",
     "./src/Index.ts",