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 ...

You can specify views in queries as if they were tables. The view derives its data from the tables or views that are listed in its FROM clause. The data accessed by a view are a subset or superset of ...

A Version 6 PROC SQL Pass-Through view does not need to be updated to be used in Version 7 or Version 8. The conversion of PROC SQL Pass-Through views is automatic and does not require you to use the ...

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 ...