Additionally, all the lower case letters in the string must be converted to upper case.
此外，小写字母应该转化为大写字母。
ONLY use upper-case words when trying to make a point (such as I just did).
它仅用于强调（注：原文是“ONLYuseupper-casewordswhentrying tomakeapoint (suchasIjust did)”，作者巧妙地演示了大写字母的用法，可惜中文无法体现出来）。
Second, the query refers to the table and column names in upper case.
其次，查询以大写形式引用表和列的名称。
Second, the query refers to the table and column names in upper case.
其次，查询以大写形式引用表和列的名称。
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