PostgreDAC 是适合 Delphi/C++ Builder 操作 PostgreSQL 数据库的功能非常强大的组件包，允许你创建直连 PostgreSQL 数据库的 Delphi/C++ Builder 应用，无需 BDE 和 ODBC 支持。
PostgreDAC 2.9.0 发布了，支持 RAD Studio XE3 和修复 bug，完整的记录如下：
Full changelog:
- [!] v9.2.0 client libraries added
- [!] v9.2.0 dump & restore libraries (pg_dump.dll, pg_restore.dll) added
- [+] New field data processing methods introduced for RAD Studio XE3
- [+] Support for IProviderSupportNG interface introduced in RAD Studio XE3 added
- [*] TParam.DataType property for function argument with domain type is set to base type of domain instead of ftString
- [-] "E2015 Ambiguity between TDataSet::PSExecuteStatement and TPSQLDataset::PSExecuteStatement in C++ Builder XE3" bug fixed
- [-] "ftDate and ftTime fields may produce memory corruption in Delphi XE3" bug fixed
- [-] "TPSQLDataset.Locate method fails for timestamp fields" bug fixed
- [-] Internal memory leaks of EPSQLException objects eliminated
- [-] Memory leaks in TPSQLUpdateSQL's BLOBs processing are eliminated