This document describes the Oracle, Odbc and DB2-CLI Template Library, Version 4.0 (OTL 4.0). OTL 4.0 is a C++ library based on templates. It integrates all of the previous releases into one library.

otl是c++数据库封装好的一个数据库接口，能兼容mysql,oracle,sqlserver,db2等-otl is a good c++ database package, a database interface, compatible with mysql, oracle, sqlserver, db2, etc.

OTL 是 Oracle, Odbc and DB2-CLI Template Library 的缩写，是一个C++编译中操控关系数据库的模板库，它目前几乎支持当前所有的各种主流数据库，例如Oracle, MS SQL Server, Sybase, Informix, MySQL, DB2, Interbase / Firebird, PostgreSQL, SQLite, SAP/DB, TimesTen, MS ACCESS等等。-OTL is the Oracle, Odbc and D

多用途的通用数据库编程模块，支持oracle，sqlserver，sysbase等常用数据库(Multi purpose universal database programming module, supporting Oracle, sqlserver, sysbase and other commonly used databases.)