XisongSpaceBooking_BackEnd/Configurations/DepartmentConfiguration.cs

using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
using Models.Entities;

namespace Configurations
{
    public class DepartmentConfiguration : IEntityTypeConfiguration<Department>
    {
        public void Configure(EntityTypeBuilder<Department> builder)
        {
            builder.ToTable("departments");

            builder.HasKey(d => d.DepartmentId);

            builder.Property(d => d.DepartmentId)
                .HasColumnName("department_id");

            builder.Property(d => d.DepartmentName)
                .HasColumnName("department_name")
                .IsRequired()
                .HasMaxLength(100);
        }
    }
}