A.char c1="男";
B.char c2='女';
C.int f1=128;
D.double d1=1.2;
第1题
A、select?credit?into?@credit?from?course?where?cname=‘java’??
B、select?credit=@credit?from?course?where?cname=‘java’?
C、select?@credit=?credit?from?course?where?cname=‘java’?
D、select?credit?from?course?where?cname=‘java’and?credit=@credit
第2题
A.Strings="john"+"was"+"here";
B.Strings="john"+3;
C.inta=3+5;
D.inta=5+5.5;
第3题
A、select credit into @credit from course where cname=’java’
B、select credit=@credit from course where cname=’java’
C、select @credit= credit from course where cname=’java’
D、select credit from course where cname=’java’ and credit=@credit
第4题
A、int x=12345;
B、int x=12345L;
C、double x=3.1415F
D、float x=(float)3.1415;
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!