diff --git a/distribution/lib/Standard/Database/0.0.0-dev/src/Data/Table.enso b/distribution/lib/Standard/Database/0.0.0-dev/src/Data/Table.enso
index 6e1702c009c1..257549bc5396 100644
--- a/distribution/lib/Standard/Database/0.0.0-dev/src/Data/Table.enso
+++ b/distribution/lib/Standard/Database/0.0.0-dev/src/Data/Table.enso
@@ -187,6 +187,7 @@ type Table
              table.select_columns [-1, 0, 1] reorder=True
 
        Icon: select_column
+    @columns Widget_Helpers.make_column_name_vector_selector
     select_columns : Text | Integer | Column_Selector | Vector (Integer | Text | Column_Selector) -> Boolean -> Boolean -> Problem_Behavior -> Table ! No_Output_Columns | Missing_Input_Columns | Column_Indexes_Out_Of_Range
     select_columns self (columns = [0]) (reorder = False) (error_on_missing_columns = True) (on_problems = Report_Warning) =
         new_columns = self.columns_helper.select_columns selectors=columns reorder=reorder error_on_missing_columns=error_on_missing_columns on_problems=on_problems
@@ -239,6 +240,7 @@ type Table
          Remove the first two columns and the last column.
 
              table.remove_columns [-1, 0, 1]
+    @columns Widget_Helpers.make_column_name_vector_selector
     remove_columns : Text | Integer | Column_Selector | Vector (Integer | Text | Column_Selector) -> Boolean -> Problem_Behavior -> Table ! No_Output_Columns | Missing_Input_Columns | Column_Indexes_Out_Of_Range
     remove_columns self (columns = [0]) (error_on_missing_columns = False) (on_problems = Report_Warning) =
         new_columns = self.columns_helper.remove_columns selectors=columns error_on_missing_columns=error_on_missing_columns on_problems=on_problems
@@ -294,6 +296,7 @@ type Table
          Move the first column to back.
 
              table.reorder_columns [0] position=Position.After_Other_Columns
+    @columns Widget_Helpers.make_column_name_vector_selector
     reorder_columns : Text | Integer | Column_Selector | Vector (Integer | Text | Column_Selector) -> Position -> Boolean -> Problem_Behavior -> Table ! Missing_Input_Columns | Column_Indexes_Out_Of_Range
     reorder_columns self (columns = [0]) (position = Position.Before_Other_Columns) (error_on_missing_columns = False) (on_problems = Report_Warning) =
         new_columns = self.columns_helper.reorder_columns selectors=columns position=position error_on_missing_columns on_problems=on_problems
@@ -845,6 +848,7 @@ type Table
          - If floating points values are present in the distinct columns, a
            `Floating_Point_Equality` is reported according to the `on_problems`
            setting.
+    @columns Widget_Helpers.make_column_name_vector_selector
     distinct : Text | Integer | Column_Selector | Vector (Integer | Text | Column_Selector) -> Case_Sensitivity -> Boolean -> Problem_Behavior -> Table ! No_Output_Columns | Missing_Input_Columns | No_Input_Columns_Selected | Floating_Point_Equality
     distinct self columns=self.column_names case_sensitivity=Case_Sensitivity.Default error_on_missing_columns=True on_problems=Report_Warning =
         key_columns = self.columns_helper.select_columns selectors=columns reorder=True error_on_missing_columns=error_on_missing_columns on_problems=on_problems . catch No_Output_Columns _->
@@ -1341,6 +1345,7 @@ type Table
          - If any column names in the new table are clashing, a
            `Duplicate_Output_Column_Names` is reported according to the
            `on_problems` setting.
+    @id_fields Widget_Helpers.make_column_name_vector_selector
     transpose :  Text | Integer | Column_Selector | Vector (Integer | Text | Column_Selector) -> Text -> Text -> Boolean -> Problem_Behavior -> Table ! No_Output_Columns | Missing_Input_Columns | Column_Indexes_Out_Of_Range | Duplicate_Output_Column_Names
     transpose self id_fields=[] (name_field="Name") (value_field="Value") (error_on_missing_columns=True) (on_problems = Report_Warning) =
         ## Avoid unused arguments warning. We cannot rename arguments to `_`,
@@ -1383,7 +1388,9 @@ type Table
              an `Unquoted_Delimiter`
            - If there are more than 10 issues with a single column,
              an `Additional_Warnings`.
+    @group_by Widget_Helpers.make_column_name_vector_selector
     @name_column Widget_Helpers.make_column_name_selector
+    @values (Widget_Helpers.make_aggregate_column_selector include_group_by=False)
     cross_tab : Aggregate_Column | Text | Integer | Column_Selector | Vector (Integer | Text | Column_Selector | Aggregate_Column) -> (Text | Integer | Column) -> Vector Aggregate_Column -> Problem_Behavior -> Table ! Missing_Input_Columns | Column_Indexes_Out_Of_Range | Invalid_Aggregate_Column | Floating_Point_Equality | Invalid_Aggregation | Unquoted_Delimiter | Additional_Warnings
     cross_tab self group_by=[] name_column=self.column_names.first values=Aggregate_Column.Count (on_problems=Report_Warning) =
         ## Avoid unused arguments warning. We cannot rename arguments to `_`,
@@ -1395,6 +1402,7 @@ type Table
     ## Parsing values is not supported in database tables, the table has to be
        loaded into memory first with `read`.
     @type Widget_Helpers.parse_type_selector
+    @columns Widget_Helpers.make_column_name_vector_selector
     parse : Text | Integer | Column_Selector | Vector (Text | Integer | Column_Selector) -> Value_Type | Auto -> Text | Data_Formatter -> Boolean -> Problem_Behavior -> Table
     parse columns=(self.columns . filter (c-> c.value_type.is_text) . map .name) type=Auto format=Data_Formatter.Value error_on_missing_columns=True on_problems=Report_Warning =
         ## Avoid unused arguments warning. We cannot rename arguments to `_`,
@@ -1505,6 +1513,7 @@ type Table
        will be named `<Input Column> <N>` where `N` is the number of the marked group.
        If the new name is already in use it will be renamed following the normal
        suffixing strategy.
+    @column Widget_Helpers.make_column_name_selector
     parse_to_columns : Text | Integer -> Text -> Case_Sensitivity -> Boolean -> Problem_Behavior -> Table
     parse_to_columns self column pattern="." case_sensitivity=Case_Sensitivity.Sensitive parse_values=True on_problems=Report_Error =
         _ = [column, pattern, case_sensitivity, parse_values, on_problems]
@@ -1560,6 +1569,7 @@ type Table
          If the backend does not support the requested target type, the closest
          supported type is chosen and a `Inexact_Type_Coercion` problem is
          reported.
+    @columns Widget_Helpers.make_column_name_vector_selector
     cast : (Text | Integer | Column_Selector | Vector (Integer | Text | Column_Selector)) -> Value_Type -> Problem_Behavior -> Table ! Illegal_Argument | Inexact_Type_Coercion | Lossy_Conversion
     cast self columns=[0] value_type=Value_Type.Char on_problems=Problem_Behavior.Report_Warning =
         selected = self.select_columns columns
@@ -1599,9 +1609,7 @@ type Table
         table = self.connection.read_statement sql
         table.at column_name . at 0
 
-    ## UNSTABLE
-
-       Returns a materialized dataframe containing rows of this table.
+    ## Returns a materialized dataframe containing rows of this table.
 
        Arguments:
        - max_rows: specifies a maximum amount of rows to fetch; if not set, all
diff --git a/std-bits/base/src/main/java/org/enso/base/time/Date_Period_Utils.java b/std-bits/base/src/main/java/org/enso/base/time/Date_Period_Utils.java
index f31f8a527314..48902640e92b 100644
--- a/std-bits/base/src/main/java/org/enso/base/time/Date_Period_Utils.java
+++ b/std-bits/base/src/main/java/org/enso/base/time/Date_Period_Utils.java
@@ -5,7 +5,7 @@
 import java.time.temporal.*;
 
 public class Date_Period_Utils implements TimeUtilsBase {
-  private final static long NANOSECONDS_IN_DAY = 86_400_000_000_000L;
+  private static final long NANOSECONDS_IN_DAY = 86_400_000_000_000L;
   public static TemporalAdjuster day_start =
       (Temporal temporal) -> {
         return temporal.isSupported(ChronoField.NANO_OF_DAY)
@@ -13,12 +13,12 @@ public class Date_Period_Utils implements TimeUtilsBase {
             : temporal;
       };
 
-    public static TemporalAdjuster day_end =
-            (Temporal temporal) -> {
-                return temporal.isSupported(ChronoField.NANO_OF_DAY)
-                        ? temporal.with(ChronoField.NANO_OF_DAY, NANOSECONDS_IN_DAY - 1)
-                        : temporal;
-            };
+  public static TemporalAdjuster day_end =
+      (Temporal temporal) -> {
+        return temporal.isSupported(ChronoField.NANO_OF_DAY)
+            ? temporal.with(ChronoField.NANO_OF_DAY, NANOSECONDS_IN_DAY - 1)
+            : temporal;
+      };
 
   public static TemporalAdjuster quarter_start =
       (Temporal temporal) -> {