text: DROP TABLE StripeSources
  CREATE TABLE StripeSources (
    UserId BIGINT NOT NULL REFERENCES Users(UserId),
    SourceId VARCHAR(100) NOT NULL UNIQUE,
    IsDefault BIT NOT NULL DEFAULT 0,
    CreatedAt DATETIME NOT NULL DEFAULT SYSDATETIME(),
  
    -- meta data meant for users to identify payment source
    LastFour CHAR(4) NULL,
    ExpMonth INT NULL,
    ExpYear INT NULL,
    Funding VARCHAR(10) NULL, -- Card funding type. Can be credit, debit, prepaid, or unknown.
    Brand VARCHAR(20) NULL
  )