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假定有“struct BOOK{char title[40]; float price;} book;”,则正确的语句为()。
Astruct BOOK x= &book;
Bstruct BOOK *x=&book;
Cstruct BOOK x=calloc(BOOK);
Dstruct BOOK *x=BOOK;
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单选题假定有“structBOOK{chartitle[40];floatprice;};BOOK*book;”定义,则不正确的语句为()。A
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单选题假定有“struct BOOK{char title[40]; float price;} book;”,则正确的语句为()。A
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单选题现有表book,字段:id(int),title(varchar),price(float);其中id字段设为自增长的标识,使用insert语句向book表中插入数据,以下语句错误的是()。A
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