public class DatabaseContext : DbContext
{
  // ...

  protected override void OnModelCreating(ModelBuilder modelBuilder)
  {
    // Prefix and schema can be passed as parameters
    
    // Adds Quartz.NET MySql schema to EntityFrameworkCore
    modelBuilder.AddQuartz(builder => builder.UseMySql());

    // Adds Quartz.NET PostgreSQL schema to EntityFrameworkCore
    modelBuilder.AddQuartz(builder => builder.UsePostgreSql());

    // Adds Quartz.NET SQLite schema to EntityFrameworkCore
    modelBuilder.AddQuartz(builder => builder.UseSQLite());

    // Adds Quartz.NET SqlServer schema to EntityFrameworkCore
    modelBuilder.AddQuartz(builder => builder.UseSqlServer());
  }
}

// Startup.cs
public void ConfigureServices(IServiceCollection services)
{
    services.AddQuartz(q =>
    {
        q.UsePersistentStore(c =>
        {
            // Use for MySQL database
            c.UseMySql(mysqlOptions =>
            {
                  mysqlOptions.UseDriverDelegate<MySQLDelegate>();
                  mysqlOptions.ConnectionString = ...;
                  mysqlOptions.TablePrefix = ...;
            });

            // Use for PostgresSQL database
            c.UsePostgres(postgresOptions =>
            {
                  postgresOptions.UseDriverDelegate<PostgreSQLDelegate>();
                  postgresOptions.ConnectionString = ...;
                  postgresOptions.TablePrefix = ...;
            });

            // Use for SQLite database
            c.UseSQLite(sqlLiteOptions =>
            {
                  sqlLiteOptions.UseDriverDelegate<SQLiteDelegate>();
                  sqlLiteOptions.ConnectionString = ...;
                  sqlLiteOptions.TablePrefix = ...;
            });

            // Use for SqlServer database
            c.UseSqlServer(sqlServerOptions =>
            {
                  sqlServerOptions.UseDriverDelegate<SqlServerDelegate>();
                  sqlServerOptions.ConnectionString = ...;
                  sqlServerOptions.TablePrefix = ...;
            });
        });
    });
}