Some applications create tables with columns of character data type only.
一些应用程序创建只包含字符数据类型的列的表。
Some applications might represent SSNs as character data instead.
一些应用程序可能将SSN 表示为字符数据。
For multilingual applications, usually we pick UTF-8 as the character set.
对于多语言应用程序，我们通常选取utf - 8作为字符集。
For multilingual applications, usually we pick UTF-8 as the character set.
对于多语言应用程序，我们通常选取utf - 8作为字符集。
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