[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fGVo9FDn4m0hE-sf24P0FuFj7U6kEJyDuq5TbReX9Ebs":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":29,"type":30},[],"2026-05-12 03:38:49",367648943,[8,9,10,11],"alter tabel 职工 alter column 家庭住址 varchar(20) null","alter tabel 职工 add 家庭住址 varchar(20) null","alter tabel 职工 drop column 家庭住址 varchar(20) not null","alter tabel 职工 delete 家庭住址 varchar(20)not null",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},10,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","6168eff271f241f8b84cbaca8c3807a1","","在职工表中新增1列&quot;家庭住址&quot;,数据类型为varchar类型,取值可以为空,正确的答案是",[21,31,40,49,58,67,70,75,80,89],{"answer":22,"createTime":23,"id":24,"options":25,"question":19,"source":29,"type":30},[],"2024-05-24 18:53:32",145832618,[26,9,27,28],"alter tabel 职工 add column 家庭住址 varchar(20) null","alter tabel 职工 add column 家庭住址 varchar(20) not null","alter tabel 职工 add 家庭住址 varchar(20)not null","v1",0,{"answer":32,"createTime":23,"id":33,"options":34,"question":39,"source":29,"type":30},[],145832620,[35,36,37,38],"alter table 职工 alter column 家庭住址 char(50)","alter table 职工 modify column 家庭住址 char(50)","alter table 职工 alter 家庭住址 char(50)","alter table 职工 modify 家庭住址 char(50)","将职工表中的&quot;家庭住址&quot;的数据类型修改为char(50)",{"answer":41,"createTime":23,"id":42,"options":43,"question":48,"source":29,"type":30},[],145832623,[44,45,46,47],"alter table 职工 drop column 家庭住址","alter table 职工 drop 家庭住址","alter table 职工 delete column 家庭住址","alter table 职工 delete 家庭住址","删除&quot;职工&quot;表中的&quot;家庭住址&quot;列",{"answer":50,"createTime":23,"id":51,"options":52,"question":57,"source":29,"type":30},[],145832625,[53,54,55,56],"create clustered index index1 on 仓库(仓库号)","create nonclustered index index1 on 仓库(仓库号)","create unique clustered index index1 on 仓库(仓库号)","create clustered index index1 on 仓库(仓库号,desc)","将仓库表中的&quot;仓库号&quot;列创建索引名为&quot;index1&quot; 的&quot;聚簇索引&quot;",{"answer":59,"createTime":23,"id":60,"options":61,"question":66,"source":29,"type":30},[],145832628,[62,63,64,65],"alter table 职工 add constraint constraint_工资 check 工资&gt;=2000 and 工资&lt;=5000","alter table 职工 add constraint constraint_工资 check 工资&gt;=2000 and 工资&lt;=5000 for 工资","alter table 职工 add constraint check 工资&gt;=2000 and 工资&lt;=5000","alter table 职工 add constraint check 工资&lt;=2000 and 工资&gt;=5000","将职工表中的工资列创建约束constraint_工资,要求取值范围在2000到5000之间",{"answer":68,"createTime":5,"id":6,"options":69,"question":19,"source":29,"type":30},[],[8,9,10,11],{"answer":71,"createTime":5,"id":72,"options":73,"question":39,"source":29,"type":30},[],367648944,[35,74,37,38],"alter table 职工 modify row 家庭住址 char(50)",{"answer":76,"createTime":5,"id":77,"options":78,"question":48,"source":29,"type":30},[],367648945,[44,79,46,47],"alter table 职工 truncate 家庭住址",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":29,"type":30},[],367648946,[84,85,86,87],"alter table 仓库 change 仓库号,仓库号1","alter table 仓库 modify 仓库号,仓库号1","alter table 仓库 drop 仓库号,仓库号1","alter table 仓库 truncate 仓库号,仓库号","将仓库表中的&quot;仓库号&quot;列修改名称为&quot;仓库号1&quot;",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":29,"type":30},[],367648947,[93,94,95,96],"alter table dept_c drop telephone","alter table dept_c drop row telephone","alter table dept_c delete column telephone","alter table dept_c delete telephone","删除dept_c表中的telephone 列"]