diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..92ccba4
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,14 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "type": "java",
+      "name": "Launch Current File",
+      "request": "launch",
+      "mainClass": "${file}"
+    }
+  ]
+}
diff --git a/DB/PostgreSqlExample.class b/DB/PostgreSqlExample.class
index 71f0165..a5c1b5a 100644
Binary files a/DB/PostgreSqlExample.class and b/DB/PostgreSqlExample.class differ