创建一个简单的函数出错了!create or replace function sum_letterreturn numberASsum number;BEGINselect count(*) into sum from letter;return sum;end;/7/11 PLS-00103: 出现符号 ";"在需要下列之一时: (
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![创建一个简单的函数出错了!create or replace function sum_letterreturn numberASsum number;BEGINselect count(*) into sum from letter;return sum;end;/7/11 PLS-00103: 出现符号](/uploads/image/z/8770605-69-5.jpg?t=%E5%88%9B%E5%BB%BA%E4%B8%80%E4%B8%AA%E7%AE%80%E5%8D%95%E7%9A%84%E5%87%BD%E6%95%B0%E5%87%BA%E9%94%99%E4%BA%86%21create+or+replace+function+sum_letterreturn+numberASsum+number%3BBEGINselect+count%28%2A%29+into+sum+from+letter%3Breturn+sum%3Bend%3B%2F7%2F11+++++PLS-00103%3A+%E5%87%BA%E7%8E%B0%E7%AC%A6%E5%8F%B7+%22%3B%22%E5%9C%A8%E9%9C%80%E8%A6%81%E4%B8%8B%E5%88%97%E4%B9%8B%E4%B8%80%E6%97%B6%EF%BC%9A+++++++++%28)
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