删除经销商1018的数据记录的代码是delete*fromexampwhereS_num=‘1018’;
举一反三
- 删除经销商1018的数据记录的代码为( ) from distributors where distri_num=1018 A.drop table B.delete * C.drop column D.delete
- 1234R/Ω1018①118I/A10.60.4②
- 删除数据表teacher中教工号（num）为1002的记录删除，使用下列哪条SQL语句（ ） A: DELETE FROM teacher num=1002; B: DELETE FROM teacher WHERE num=1002; C: DELETE FROM teacher ，num=1002; D: DELETE teacher where num=1002;
- 删除经销商1001的数据记录的代码为 _____ from distributors where distri_num=1001。
- 在X射线管上施加100kV的管电压，X射线管产生的连续X射线的最高频率为（ ）Hz。 A: 1.208×1019 B: 2.416×1019 C: 1.208×1018 D: 2.416×1018