【单选题】粒径1~100nm的微粒混悬在分散介质中属于
【单选题】下面选项中,可以将数据库 itcast 的编码修改为 gbk 的是
A.
ALTER DATABASE itcast CHARACTER SET gbk COLLATE gbk_bin;
B.
ALTER DATABASE itcast CHARACTER SET= gbk COLLATE gbk_bin;
C.
CREATE DATABASE itcast CHARACTER SET gbk COLLATE gbk_bin;
D.
ALTER DATABASE itcast CHARACTER SET=gbk COLLATE gbk_bin;
【单选题】粒径1~100nm的微粒混悬在分散介质中
【简答题】下面选项中,可以将数据库 itcast 的编码修改为 gbk 的是A. ALTER DATABASE itcast DEFAULT CHARACTER SET gbk COLLATE gbk_bin; B、 ALTER DATABASE itcast CHARACTER SET gbk COLLATE gbk_bin; C、 CREATE DATABASE itcast DEFAULT CHARA...
【单选题】下表所列各组物质中,物质之间按箭头方向通过一步反应就能实现如图所示转化的是 [ ]
【单选题】下面选项中,可以将数据库itcast的编码修改为gbk的是
A.
ALTER DATABASE itcast DEFAULT CHARACTER SET gbk COLLATE gbk_bin;
B.
ALTER DATABASE itcast CHARACTER SET gbk COLLATE gbk_bin;
C.
CREATE DATABASE itcast DEFAULT CHARACTER SET gbk COLLATE gbk_bin;
D.
ALTER DATABASE itcast DEFAULT CHARACTER SET=gbk COLLATE gbk_bin;