AccountDao.kt

package com.example.db.dao

import androidx.room.Dao
import androidx.room.Insert
import androidx.room.OnConflictStrategy
import androidx.room.Query
import com.example.model.Account

@Dao
interface AccountDao {

    @Query("SELECT * FROM account")
    fun getAccountInfo(): Account?

    @Insert(onConflict = OnConflictStrategy.REPLACE)
    fun insertAccountInfo(accountInfo: Account)

    @Query("DELETE FROM account")
    fun clearAllData()
}