PostgreSQL 数据访问组件 （PgDAC） 是一个组件库，它为 32 位和 64 位平台提供了来自德尔福、C++构建器、拉撒路（和免费 Pascal）的从德尔福、C++构建器、拉撒路（和免费帕斯卡）到 PostgreSQL 的本机连接。PgDAC 旨在帮助程序员开发真正轻量级、更快、更简洁的 PostgreSQL 数据库应用程序，而无需部署任何其他库。PgDAC 是标准 PostgreSQL 连接解决方案的完整替代品，为博兰数据库引擎 （BDE） 和标准 dbExpress 驱动程序提供了一个有效的替代方案，用于访问 PostgreSQL。它提供对 PostgreSQL 的直接访问，无需 PostgreSQL 客户端。 主要特点： - RAD 工作室 10.2 东京支持 - 支持 RAD 工作室 10.2 东京的 Linux - 支持拉撒路 1.6.4 和免费帕斯卡 3.0.2 - 安卓应用程序开发支持 - iOS 开发支持 - 下一代编译器支持 - Mac OS X 开发支持 - Win64 开发支持 - 直接访问服务器数据。不需要安装其他数据提供程序层 - 完全支持最新版本的 PostgreSQL 服务器和所有 PostgreSQL 服务器数据类型 - 提供 VCL、LCL 和 FMX 版本的库 - 带自动连接控制的断开连接模型，用于脱机处理数据 - 用于检测连接丢失和隐式重新执行某些操作的本地故障转移 - 所有类型的本地排序和筛选，包括按计算和查找字段 - 使用 TPgQuery、TPgTable 和 TPgStoredProc 组件自动更新数据 - 统一码和国家字符集支持 - 支持许多特定于 PostgreSQL 的功能，如通知、通知和序列
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