diff --git a/tests/target_test_streams/schema_updates_no_key_props.singer b/tests/target_test_streams/schema_updates_no_key_props.singer
new file mode 100644
index 0000000..bb6533c
--- /dev/null
+++ b/tests/target_test_streams/schema_updates_no_key_props.singer
@@ -0,0 +1,11 @@
+{"type": "SCHEMA", "stream": "test_schema_updates", "key_properties": [], "schema": {"type": "object", "properties": {"id": {"type": "integer"}, "a1": {"type": "number"}, "a2": {"type": "string"}}}}
+{"type": "RECORD", "stream": "test_schema_updates", "record": {"id": 1, "a1": 101, "a2": "string1"}}
+{"type": "SCHEMA", "stream": "test_schema_updates", "key_properties": [], "schema": {"type": "object", "properties": {"id": {"type": "integer"}, "a1": {"type": "number"}, "a2": {"type": "string"}, "a3": {"type": "boolean"}}}}
+{"type": "RECORD", "stream": "test_schema_updates", "record": {"id": 2, "a1": 102, "a2": "string2", "a3": true}}
+{"type": "SCHEMA", "stream": "test_schema_updates", "key_properties": [], "schema": {"type": "object", "properties": {"id": {"type": "integer"}, "a1": {"type": "number"}, "a2": {"type": "string"}, "a3": {"type": "boolean"}, "a4": {"type": "object", "properties": {"id": {"type": "integer"}, "value": {"type": "integer"}}}, "a5": {"type": "array", "items": {"type": "string"}}}}}
+{"type": "RECORD", "stream": "test_schema_updates", "record": {"id": 3, "a1": 103, "a2": "string3", "a3": false, "a4": {"id": 1, "value": 1}, "a5": [ "banana", "apple" ]}}
+{"type": "RECORD", "stream": "test_schema_updates", "record": {"id": 4, "a1": 104, "a2": "string4", "a3": true, "a4": {"id": 2, "value": 22}, "a5": [ "orange", "pear" ]}}
+{"type": "SCHEMA", "stream": "test_schema_updates", "key_properties": [], "schema": {"type": "object", "properties": {"id": {"type": "integer"}, "a1": {"type": "number"}, "a2": {"type": "string"}, "a3": {"type": "boolean"}, "a4": {"type": "object", "properties": {"id": {"type": "integer"}, "value": {"type": "integer"}}}, "a5": {"type": "array", "items": {"type": "string"}}, "a6": {"type": "integer"}}}}
+{"type": "RECORD", "stream": "test_schema_updates", "record": {"id": 5, "a1": 105, "a2": "string5", "a3": false, "a4": {"id": 3, "value": 33}, "a5": [ "apple" ], "a6": 985}}
+{"type": "RECORD", "stream": "test_schema_updates", "record": {"id": 6, "a1": 106, "a2": "string6", "a3": true, "a4": {"id": 4, "value": 444}, "a5": [ "banana", "orange" ], "a6": 341}}
+{"type": "STATE", "value": {"test_schema_updates": 6}}
diff --git a/tests/test_impl.py b/tests/test_impl.py
index 7ccdf78..1ec2d08 100644
--- a/tests/test_impl.py
+++ b/tests/test_impl.py
@@ -205,7 +205,7 @@ def validate(self) -> None:
 class SnowflakeTargetSchemaUpdates(TargetSchemaUpdates):
     def validate(self) -> None:
         connector = self.target.default_sink_class.connector_class(self.target.config)
-        table = f"{self.target.config['database']}.{self.target.config['default_target_schema']}.test_schema_updates".upper()
+        table = f"{self.target.config['database']}.{self.target.config['default_target_schema']}.test_{self.name}".upper()
         result = connector.connection.execute(
             f"select * from {table}",
         )
@@ -232,6 +232,14 @@ def validate(self) -> None:
             assert column.name in expected_types
             isinstance(column.type, expected_types[column.name])
 
+class SnowflakeTargetSchemaUpdatesNoKeyProps(SnowflakeTargetSchemaUpdates):
+    name = "schema_updates_no_key_props"
+
+    @property
+    def singer_filepath(self) -> Path:
+        current_dir = Path(__file__).resolve().parent
+        return current_dir / "target_test_streams" / f"{self.name}.singer"
+
 
 class SnowflakeTargetReservedWords(TargetFileTestTemplate):
 
@@ -368,6 +376,7 @@ def validate(self) -> None:
         SnowflakeTargetRecordMissingKeyProperty,
         SnowflakeTargetSchemaNoProperties,
         SnowflakeTargetSchemaUpdates,
+        SnowflakeTargetSchemaUpdatesNoKeyProps,
         TargetSpecialCharsInAttributes,  # Implicitly asserts that special chars are handled
         SnowflakeTargetReservedWords,
         SnowflakeTargetReservedWordsNoKeyProps,