class MyDbManager : DbManager
{
    public Table<T> CreateTable<T>()
        where T : class
    {
        return CreateTable<T>(null);
    }

    public Table<T> CreateTable<T>(string tableName)
        where T : class
    {
        var table = new SqlTable<T>();
        var sb    = new StringBuilder();

        sb.AppendFormat("CREATE TABLE {0}\n(", tableName ?? table.Name);

        foreach (var field in table.Fields)
        {
            var f      = field.Value;
            var type   = SqlDataType.GetDataType(f.SystemType);
            var dbType = type.SqlDbType;
            var len    = type.Length > 0 ? "({0})".Args(type.Length) : type.Precision > 0 ? "({0},{1})".Args(type.Precision, type.Scale) : "";

            switch (dbType)
            {
                case SqlDbType.UniqueIdentifier :
                    dbType = SqlDbType.VarChar;
                    len    = "(36)";
                    break;
            }

            sb.AppendFormat("\n\t{0}\t{1}{2}\t{3}NULL{4},",
                f.PhysicalName,
                dbType,
                len,
                f.Nullable ? "" : "NOT ",
                f.IsIdentity ? "\t IDENTITY" : "");
        }

        sb.Length -= 1;
        sb.Append("\n)");

        SetCommand(sb.ToString());
        ExecuteNonQuery();

        var t = GetTable<T>();

        if (tableName != null)
            t = t.TableName(tableName);

        return t;
    }

    public void TruncateTable<T>()
        where T : class
    {
        var table = new SqlTable<T>();
        var sb    = new StringBuilder();

        sb.Append("TRUNCATE TABLE ");

        DataProvider.CreateSqlProvider().BuildTableName(sb, table.Database, table.Owner, table.Name);

        SetCommand(sb.ToString()).ExecuteNonQuery();
    }

    public void TruncateTable<T>(string dbName, string table)
        where T : class
    {
        var sb = new StringBuilder();

        sb.Append("TRUNCATE TABLE ");

        DataProvider.CreateSqlProvider().BuildTableName(sb, dbName, null, table);

        SetCommand(sb.ToString()).ExecuteNonQuery();
    }
}