例如,必须连续执行多个更新操作的批处理应用程序通常能够更好地依次执行sql语句,而无需所有额外的对象交互。
For example, batch applications that must execute many update operations serially are often better off executing SQL statement in sequence without all the extra object hydration.
在内联s QL PL的上下文中,UNION用于以一种连续的方式派生出语句。
In the context of inline SQL PL UNIONs are used to drive statements in a sequential fashion.
为了说明这一点,他在他哦个一台计算机上连续运行了很多次相同的代码段,结果运行时都是4.9秒,但当他删除了打印结果的println语句之后,运行时间则缩短到0.08秒。
To illustrate this point, one of his code snippets consistently runs in 4.9 seconds on his computer, but if he omits a println that displays the result, it consistently runs in 0.08 seconds.
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