import mongoose from "mongoose"; const { Schema, model } = mongoose; const CitySchema = new Schema( { // _id: { type: Schema.Types.ObjectId }, city_name: { type: String, default: "" }, state: { type: Schema.Types.ObjectId, ref: "State" }, // createdAt: { type: Date, default: new Date() }, }, // { timestamps: { createdAt: false, updatedAt: true } } { timestamps: true } ); export const City = model("City", CitySchema);