虚拟数据访问组件（VirtualDAC，前身为虚拟表）是一个组件库，可扩展了 32 位和 64 位平台上德尔福、C++构建器和拉撒路 （FPC） 中的数据处理功能。VirtualDAC 由组件组成，这些组件提供处理非表格数据、对内存中的数据或不同 RDBMS 的源中的数据执行 SQL 查询等功能，这些功能不适用于标准数据访问组件。 主要特点： - RAD 工作室 10.1 柏林支持 - 支持拉撒路 1.6 和 FPC 3.0.0 - 德尔福、建筑、C++的跨平台解决方案 - TVirtualQuery、 TVirtualTable 、 TVirtualDataSet 组件 - 高级设计时间编辑器 - 免费二进制文件 - 表示内存中数据集 - 可以在文件（运行时）和 dfm 中（设计时）中存储记录数据 - 提供查找记录的扩展功能 - 支持记录筛选 - 按多个字段的本地排序能力 - 与自德尔福 6 和 6 号构建器 6 C++ IDE 版本兼容。
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