table: users

column: username, password, is_active,

    const Op = Sequelize.Op;

    const User = sequelize.define('user', {
      id: { type: Sequelize.INTEGER, primaryKey: true, autoIncrement: true },
      username: { 
        type: Sequelize.STRING,
        allowNull: false,
      },
      password: {
        type: Sequelize.STRING,
        allowNull: false,
      },
      isActive: {
       field: 'is_active',
       type: Sequelize.BOOLEAN,
        allowNull: false,
        defaultValue: true,
      },
    },{
      timestamps: true,
      underscored: true,
    });

    console.log('It worked');
    var user = User.create({
      username: "test",
      password: "test",
      isActive: true,
    }).then(() => {
        User.findAll({
          where: {
            id: {
              [Op.gt]: 0
            }
          }
        }).then(results => {
          for(let i = 0; i < results.length; i++){
            let result = results[i];
            console.log(result.id);
          }
        }).catch(error => {
          console.log("[ERROR]" + error);
        });
    }).catch(error => {
      console.log(error);
    });