误字，汉语词汇，拼音是wù zì，解释为错字；别字。
您还可以让库给出预先格式化了的错误字符串。
You can also have the library give you a preformatted error string.
该变量包含最后一个失败的sql语句的错误字符串。
This variable contains the error string from the last failed SQL statement.
最后一个游标的SQLERROR被返回，而最后一个失败的sql语句的错误字符串将被存储到变量SQLERRSTR中。
SQLERROR of the last cursor is returned, and the error string of the latest failed SQL statement is stored into variable SQLERRSTR.
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