A . A inner join B
B . A left join B
C . A right join B
D . Across join B
[单选题]对于表A(col1 int,col2 char(1))更新col1=1的数据col2值为N,下面语句正确的是()A . update table A setcol2=’N’ where col1=1B . modify table A setcol2=N where col1=1C . update A set col2=’N’ where col1=1D . modify A set col2=N where col1=1
[单选题]A.lport综合征的基因突变不包括A.NPHS1B.COL4A3C.COL4A4D.COL4A5E.编码Ⅳ型胶原A链的基因突变
[名词解释] 龈谷gingival col
[试题]Myhandsandfeetwere________withcoldasIwaitedforthebus.A.cliffB.stillC.stiffD.stick