虛擬數據訪問元件（VirtualDAC，前身為虛擬表）是一個元件庫，可擴展了 32 位元和 64 位元平臺上德爾福、C++構建器和拉撒路 （FPC） 中的數據處理功能。VirtualDAC 由元件組成，這些元件提供處理非表格數據、對記憶體中的數據或不同 RDBMS 的來源中的數據執行 SQL 查詢等功能，這些功能不適用於標準數據存取元件。 主要特點： - RAD 工作室 10.1 柏林支援 - 支援拉撒路 1.6 和 FPC 3.0.0 - 德爾福、建築、C++的跨平台解決方案 - TVirtualQuery， TVirtualTable ， TVirtualDataSet 元件 - 高級設計時間編輯器 - 免費二進位檔 - 表示記憶體中數據集 - 可以在檔案（執行時）和 dfm 中（設計時）中儲存記錄數據 - 提供查找記錄的擴充功能 - 支援記錄篩選 - 按多個字段的本地排序能力 - 與自德爾福 6 和 6 號構建器 6 C++ IDE 版本相容。
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