EF_Code_First/EF_Code_First/Migrations/20220313151637_V0.2.cs

using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace EF_Code_First.Migrations
{
    public partial class V02 : Migration
    {
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropForeignKey(
                name: "FK_Students_Grade_GradeId",
                table: "Students");

            migrationBuilder.DropPrimaryKey(
                name: "PK_Grade",
                table: "Grade");

            migrationBuilder.RenameTable(
                name: "Grade",
                newName: "Grades");

            migrationBuilder.AddPrimaryKey(
                name: "PK_Grades",
                table: "Grades",
                column: "GradeId");

            migrationBuilder.AddForeignKey(
                name: "FK_Students_Grades_GradeId",
                table: "Students",
                column: "GradeId",
                principalTable: "Grades",
                principalColumn: "GradeId",
                onDelete: ReferentialAction.Cascade);
        }

        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropForeignKey(
                name: "FK_Students_Grades_GradeId",
                table: "Students");

            migrationBuilder.DropPrimaryKey(
                name: "PK_Grades",
                table: "Grades");

            migrationBuilder.RenameTable(
                name: "Grades",
                newName: "Grade");

            migrationBuilder.AddPrimaryKey(
                name: "PK_Grade",
                table: "Grade",
                column: "GradeId");

            migrationBuilder.AddForeignKey(
                name: "FK_Students_Grade_GradeId",
                table: "Students",
                column: "GradeId",
                principalTable: "Grade",
                principalColumn: "GradeId");
        }
    }
}