A、update table A setcol2=’N’ where col1=1
B、modify table A setcol2=N where col1=1
C、update A set col2=’N’ where col1=1
D、modify A set col2=N where col1=1
A、update table A setcol2=’N’ where col1=1
B、modify table A setcol2=N where col1=1
C、update A set col2=’N’ where col1=1
D、modify A set col2=N where col1=1
时间:2022-01-03 22:28 关键词: 结构化查询语言(SQL) 计算机科学技术