Developers should be aware of the hazards of using nonstandard SQL commands such as those found in Oracle, Microsoft, and MySQL systems. Instead, you should use ANSI SQL, which is a ...

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 ...