diff --git a/superset/views/database/forms.py b/superset/views/database/forms.py
index 354cf4203e30..4cf594c48705 100644
--- a/superset/views/database/forms.py
+++ b/superset/views/database/forms.py
@@ -29,7 +29,7 @@
     StringField,
 )
 from wtforms.ext.sqlalchemy.fields import QuerySelectField
-from wtforms.validators import DataRequired, Length, NumberRange, Optional
+from wtforms.validators import DataRequired, Length, NumberRange, Optional, Regexp
 
 from superset import app, db, security_manager
 from superset.forms import (
@@ -94,7 +94,10 @@ class CsvToDatabaseForm(UploadToDatabaseForm):
     name = StringField(
         _("Table Name"),
         description=_("Name of table to be created from csv data."),
-        validators=[DataRequired()],
+        validators=[
+            DataRequired(),
+            Regexp(r"^[^\.]+$", message=_("Table name cannot contain a schema")),
+        ],
         widget=BS3TextFieldWidget(),
     )
     csv_file = FileField(
@@ -245,7 +248,10 @@ class ExcelToDatabaseForm(UploadToDatabaseForm):
     name = StringField(
         _("Table Name"),
         description=_("Name of table to be created from excel data."),
-        validators=[DataRequired()],
+        validators=[
+            DataRequired(),
+            Regexp(r"^[^\.]+$", message=_("Table name cannot contain a schema")),
+        ],
         widget=BS3TextFieldWidget(),
     )
     excel_file = FileField(
@@ -378,7 +384,10 @@ class ColumnarToDatabaseForm(UploadToDatabaseForm):
     name = StringField(
         _("Table Name"),
         description=_("Name of table to be created from columnar data."),
-        validators=[DataRequired()],
+        validators=[
+            DataRequired(),
+            Regexp(r"^[^\.]+$", message=_("Table name cannot contain a schema")),
+        ],
         widget=BS3TextFieldWidget(),
     )
     columnar_file = MultipleFileField(
diff --git a/superset/views/database/views.py b/superset/views/database/views.py
index a739a035a1ad..115d168ed636 100644
--- a/superset/views/database/views.py
+++ b/superset/views/database/views.py
@@ -142,17 +142,6 @@ def form_post(self, form: CsvToDatabaseForm) -> Response:
             flash(message, "danger")
             return redirect("/csvtodatabaseview/form")
 
-        if "." in csv_table.table and csv_table.schema:
-            message = _(
-                "You cannot specify a namespace both in the name of the table: "
-                '"%(csv_table.table)s" and in the schema field: '
-                '"%(csv_table.schema)s". Please remove one',
-                table=csv_table.table,
-                schema=csv_table.schema,
-            )
-            flash(message, "danger")
-            return redirect("/csvtodatabaseview/form")
-
         try:
             df = pd.concat(
                 pd.read_csv(
@@ -289,17 +278,6 @@ def form_post(self, form: ExcelToDatabaseForm) -> Response:
             flash(message, "danger")
             return redirect("/exceltodatabaseview/form")
 
-        if "." in excel_table.table and excel_table.schema:
-            message = _(
-                "You cannot specify a namespace both in the name of the table: "
-                '"%(excel_table.table)s" and in the schema field: '
-                '"%(excel_table.schema)s". Please remove one',
-                table=excel_table.table,
-                schema=excel_table.schema,
-            )
-            flash(message, "danger")
-            return redirect("/exceltodatabaseview/form")
-
         uploaded_tmp_file_path = tempfile.NamedTemporaryFile(  # pylint: disable=consider-using-with
             dir=app.config["UPLOAD_FOLDER"],
             suffix=os.path.splitext(form.excel_file.data.filename)[1].lower(),
@@ -459,17 +437,6 @@ def form_post(  # pylint: disable=too-many-locals
             flash(message, "danger")
             return redirect("/columnartodatabaseview/form")
 
-        if "." in columnar_table.table and columnar_table.schema:
-            message = _(
-                "You cannot specify a namespace both in the name of the table: "
-                '"%(columnar_table.table)s" and in the schema field: '
-                '"%(columnar_table.schema)s". Please remove one',
-                table=columnar_table.table,
-                schema=columnar_table.schema,
-            )
-            flash(message, "danger")
-            return redirect("/columnartodatabaseview/form")
-
         try:
             chunks = [read(file, **kwargs) for file in files]
             df = pd.concat(chunks)
diff --git a/tests/integration_tests/csv_upload_tests.py b/tests/integration_tests/csv_upload_tests.py
index 862a6eadfec6..d5da25c38c11 100644
--- a/tests/integration_tests/csv_upload_tests.py
+++ b/tests/integration_tests/csv_upload_tests.py
@@ -219,6 +219,10 @@ def test_import_csv_enforced_schema(mock_event_logger):
 
     full_table_name = f"admin_database.{CSV_UPLOAD_TABLE_W_SCHEMA}"
 
+    # Invalid table name
+    resp = upload_csv(CSV_FILENAME1, full_table_name)
+    assert "Table name cannot contain a schema" in resp
+
     # no schema specified, fail upload
     resp = upload_csv(CSV_FILENAME1, CSV_UPLOAD_TABLE_W_SCHEMA, extra={"schema": None})
     assert (