In the FoxPro data stock system, the essential utility of function Len() is to measure the length of character string and the utility of function& is to substitute for the value of character-typed internal storage variables.

  • 在FoxPro数据库系统中,len()函数的基本功能是测量字符串的长度,&函数的基本功能是替换字符型内存变量的值;

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