diff --git a/AlgebraicDataflowArchitectureModel/models/DatabaseTest2.model b/AlgebraicDataflowArchitectureModel/models/DatabaseTest2.model
new file mode 100644
index 0000000..5d5cc98
--- /dev/null
+++ b/AlgebraicDataflowArchitectureModel/models/DatabaseTest2.model
@@ -0,0 +1,47 @@
+init {
+	db := {
+		"accountAndBooks": {
+			"url": "jdbc:postgresql://localhost:5432/db",
+			"user": "root",
+			"password": "pass",
+			"tables": {
+				"accounts": {
+					"0": {
+						"name": "tmp"
+					}
+				},
+				"books": {
+					"0": {
+						"name": "tmp"
+					}
+				}
+			}
+		}
+	}
+	current:= {
+		"aid": {
+			"value": 0,
+			"dbName": "accountAndBooks",
+			"table": "accounts",
+			"key": "aid"
+		},
+		"bid": {
+			"value": 0,
+			"dbName": "accountAndBooks",
+			"table": "books",
+			"key": "bid"
+		}
+	}
+}
+
+native channel setRecord(dbName: Str, tableName: Str) {
+	out db.{dbName}.tables.{tableName}(curRecord: Json, setRecord(newRecord: Json)) = newRecord
+}
+
+native channel updateRecordOnChangeCurrent(varName: Str) {
+	in current.{varName}.value(currentData, updateRecord(newCurrentData)) = newCurrentData 
+}
+
+channel updateCurrent(varName: Str) {
+	out current.{varName}.value(curValue: Int, setValue(newValue: Int)) = newValue
+}
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