CREATE TABLE Customer (CustomerId INT, FirstName VARCHAR, LastName VARCHAR, Company VARCHAR, Address VARCHAR, City VARCHAR, State VARCHAR, Country VARCHAR, PostalCode VARCHAR, Phone VARCHAR, Fax VARCHAR, Email VARCHAR, SupportRepId INT)
CREATE TABLE Playlist (PlaylistId INT, Name VARCHAR)
CREATE TABLE Track (TrackId INT, Name VARCHAR, AlbumId INT, MediaTypeId INT, GenreId INT, Composer VARCHAR, Milliseconds INT, Bytes INT, UnitPrice DECIMAL)
CREATE TABLE Employee (EmployeeId INT, LastName VARCHAR, FirstName VARCHAR, Title VARCHAR, ReportsTo INT, BirthDate DATETIME, HireDate DATETIME, Address VARCHAR, City VARCHAR, State VARCHAR, Country VARCHAR, PostalCode VARCHAR, Phone VARCHAR, Fax VARCHAR, Email VARCHAR)
CREATE TABLE InvoiceLine (InvoiceLineId INT, InvoiceId INT, TrackId INT, UnitPrice DECIMAL, Quantity INT)
CREATE TABLE Album (AlbumId INT, Title VARCHAR, ArtistId INT)
CREATE TABLE PlaylistTrack (PlaylistId INT, TrackId INT)
CREATE TABLE Artist (ArtistId INT, Name VARCHAR)
CREATE TABLE Genre (GenreId INT, Name VARCHAR)
CREATE TABLE Invoice (InvoiceId INT, CustomerId INT, InvoiceDate DATETIME, BillingAddress VARCHAR, BillingCity VARCHAR, BillingState VARCHAR, BillingCountry VARCHAR, BillingPostalCode VARCHAR, Total DECIMAL)
CREATE TABLE MediaType (MediaTypeId INT, Name VARCHAR)

What are the phone numbers for each employee, and count them by a bar chart, I want to show in descending by the how many phone.
SELECT Phone, COUNT(Phone) FROM Employee GROUP BY Phone ORDER BY COUNT(Phone) DESC
SELECT "Phone", COUNT("Phone") FROM "Employee" GROUP BY "Phone" ORDER BY COUNT("Phone") DESC NULLS LAST