我们日常使用的数据库主要包括Oracle、MySQL、DB2和SQL Server等。在操作Oracle数据库时，PL/SQL是匹配度最高的工具之一。那么如何利用PL/SQL创建定时任务？接下来将简要介绍通过该工具实现定时器功能的具体步骤与方法。

Although tables in SQL databases typically contain massive amounts of data, they’re not always in a format that can be used by data analysts. The data records in these tables need to be filtered ...

A typical screen in your user interface probably combines data from several different tables. To handle that, I typically have my back-end processes generate Data Transfer Objects (DTOs) which combine ...