ssleay32.dll

ArcGIS连接Postgresql所需的5个32位客户端文件分别是：libeay32.dll、libiconv-2.dll、libintl-8.dll、libpq.dll和ssleay32.dll。

PostgreSQL32.dll and Its Key Components in ArcGIS The term 'PostgreSQL32.dll' refers to a set of 32-bit dynamic link library (DLL) files that are essential for connecting ArcGIS software to PostgreSQL databases. These files enable seamless interaction, supporting spatial data handling and ensuring secure, stable data operations. Here’s an overview of the primary DLLs in this package and their functions: libeay32.dll: Part of the OpenSSL library, libeay32.dll provides encryption and Secure Sockets Layer (SSL) functionalities. This DLL ensures secure database connections by encrypting the data in transit. libiconv-2.dll: This library supports character set conversions between different encodings, allowing accurate handling of international characters and avoiding garbled text when processing multilingual data. libintl-8.dll: The GNU Internationalization Library file, libintl-8.dll, facilitates multilingual support, managing localized text for non-English messages and prompts in PostgreSQL applications. libpq.dll: This is the main C interface library for PostgreSQL, providing essential APIs for connecting, querying, and managing PostgreSQL databases. It is the core PostgreSQL client library. ssleay32.dll: Alongside libeay32.dll, this file from OpenSSL implements SSL/TLS protocols, ensuring secure, encrypted communication in network transactions. File Organization for Easy Access Typically, these DLL files are contained within a new folder in the download package, allowing easy organization and ready access for integrating PostgreSQL with ArcGIS. These DLLs work together to ensure that ArcGIS can efficiently connect to a 32-bit PostgreSQL database, execute spatial queries, and retrieve results for geographic analysis.

glut32.dll是一个重要的组件，当您的电脑提示缺少glut32.dll时，您需要下载该文件，以确保软件的正常运行。

提供适用于 32 位和 64 位系统的 SQLite.Interop.dll 文件。用户可以通过 SQLite expert professional 的设置选项更新库文件，详情可参考在线教程。

PHP在IT领域广泛应用于服务器端脚本，特别在Web开发中具有重要地位。PHP 5.5版本引入了多项新特性并优化了性能。PDO（PHP Data Objects）提供了统一的数据库访问抽象层，支持多种数据库系统，包括SQL Server。SQL Server是微软开发的关系型数据库管理系统，广泛用于企业级应用。在32位环境下使用PHP 5.5与SQL Server交互，需要安装特定的扩展DLL文件，如php_pdo_sqlsrv_55_ts.dll和php_sqlsrv_55_ts.dll（线程安全版本）或php_pdo_sqlsrv_55_nts.dll和php_sqlsrv_55_nts.dll（非线程安全版本）。这些DLL文件为PHP与SQL Server之间的通信提供必要的函数和接口。安装步骤包括确保PHP环境为32位、下载并复制适用的DLL文件到PHP的ext目录、修改php.ini配置文件并重启PHP服务。

提供 32 位和 64 位版本 System.Data.SQLite.DLL，使用方法相同。

wxSQLite加密版本的已编译DLL和LIB文件，支持32位和64位、调试和发布版本。注意：含加密数据库文件需先打开再解密，避免中途调用其他操作导致失败，详见sqlite3.h文档。

Std_DLL.dll 提供简洁的 API 接口，用于连接 SQL Server 数据库，并实现断线重连和 Excel 数据导入功能。

PHP 7.0.12版本支持redis.dll和PHP_Phalcon.dll扩展。

Sybase 32 位和 64 位.NET 连接程序集。