摘要:
/* 1,ASCII返回字符表达式中最左侧字符的ASCII代码值仅返回首字母的ASCII码值parameter char或varcharreturns integer */SELECT ASCII('a') --97SELECT ASCII('A') --65SELECT ASCII('aA') --97SELECT ASCII('0') --48SELECT ASCII('01') --48 /* 2,CHAR将整数ASCII代码转换为字符parameter TINYINTreturns char(1) */SE 阅读全文
posted @ 2011-08-16 17:37
China Soft
阅读(863)
评论(0)
推荐(0)