Answers for "sequelize alter table"

sequelize migration

npx sequelize-cli migration:generate --name migration-skeleton

sequelize change column

queryInterface.changeColumn('Person', 'foo', {
  type: DataTypes.FLOAT,
  defaultValue: 3.14,
  allowNull: false
});

update column with find sequelize

Project.find({ where: { title: 'aProject' } })
  .on('success', function (project) {
    // Check if record exists in db
    if (project) {
      project.update({
        title: 'a very different title now'
      })
      .success(function () {})
    }
  })