C# check if table exists in sqlite

tableExists.cs

private bool tableExists(string tableName, SQLiteConnection db)
{
    bool exists;
    db.Open();

    try
    {
        var cmd = new SQLiteCommand(
          "select case when exists((select * from information_schema.tables where table_name = '" + tableName + "')) then 1 else 0 end", db);

        exists = (int)cmd.ExecuteScalar() == 1;
    }
    catch
    {
        try
        {
            exists = true;
            var cmdOthers = new SQLiteCommand("select 1 from " + tableName + " where 1 = 0", db);
            cmdOthers.ExecuteNonQuery();
        }
        catch
        {
            exists = false;
        }
    }
    db.Close();
    return exists;
}