1. Anticipated errors: These are errors that your application can anticipate, such as attempting to read a file that does not exist or attempting to open a connection with an invalid connection string.
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DB2 stored procedure language allows for the creation of exception handlers for specific conditions; you will use this to trap anticipated errors.
DB 2存储过程语言允许为特定的情况创建异常处理函数；可以用来捕获可能出现的错误。
The spraying of pesticides can be carefully planned, but accidents, weather conditions that could not be foreseen, and pilot errors often cause much larger deposits of spray than they had anticipated.
杀虫剂的喷洒可以经过周密的计划，但意外事故、无法预见的天气状况以及飞行员的失误往往会导致比预期更多的喷洒量。
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