[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fiz6WdXjjzvhS7WbKR94rCMKEm1zkrhepWfFa_aSN2qw":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":26,"type":27},[],"2023-11-18 04:47:25",106415649,[8,9,10,11],"INSERT INTO","UPDATE","DELETE","SELECT",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},15,"0043d5433fd26fd1c70c689c2639efce","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0dae5231eef5a894c924a1ac5e95f515.png","数据库原理及应用","669ca8434cfb4b12b2fdbd3ec9075871","数据增、删、改和约束","更新数据命令",[21,28,31,37,46,55,64,71,80,89],{"answer":22,"createTime":5,"id":23,"options":24,"question":25,"source":26,"type":27},[],106415647,[8,9,10,11],"插入语句命令是","v1",0,{"answer":29,"createTime":5,"id":6,"options":30,"question":19,"source":26,"type":27},[],[8,9,10,11],{"answer":32,"createTime":33,"id":34,"options":35,"question":36,"source":26,"type":27},[],"2023-11-18 04:47:26",106415651,[8,9,10,11],"删除数据命令",{"answer":38,"createTime":33,"id":39,"options":40,"question":45,"source":26,"type":27},[],106415654,[41,42,43,44],"INSERT INTO ReaderType VALUES(1,"企业职工",5,30)","INSERT INTO ReaderType VALUES(1;"企业职工";5;30)","INSERT INTO ReaderType VALUE(1,"企业职工",5,30)","INSERT INTO ReaderType VALUE(1;"企业职工";5;30)","向表ReaderType中插入数据,正确的是",{"answer":47,"createTime":33,"id":48,"options":49,"question":54,"source":26,"type":27},[],106415657,[50,51,52,53],"UPDATE TABLE ReaderType SET LimitDays=40 WHERE Typename='企业职工'","UPDATE ReaderType SET LimitDays=40","UPDATE ReaderType SET LimitDays=40 WHERE Typename='企业职工'","UPDATE TABLE ReaderType SET LimitDays=40","更改ReaderType中的数据,将"企业职工"的借阅天数改为40天,正确的语句是",{"answer":56,"createTime":33,"id":57,"options":58,"question":63,"source":26,"type":27},[],106415659,[59,60,61,62],"DELETE ReaderType","DELETE ReaderType WHERE Typename='企业职工'","DELETE TABLE ReaderType WHERE Typename='企业职工'","DELETE TABLE ReaderType","删除ReaderType表中"企业职工"的信息,正确的语句是",{"answer":65,"createTime":33,"id":66,"options":67,"question":70,"source":26,"type":27},[],106415663,[62,59,68,69],"DROP TABLE ReaderType","DROP ReaderType","删除ReaderType表中所有数据,正确的命令是",{"answer":72,"createTime":33,"id":73,"options":74,"question":79,"source":26,"type":27},[],106415665,[75,76,77,78],"ALTER TABLE ReaderType ADD CONSTRAINT primary key (TypeID)","ALTER TABLE ReaderType ADD CONSTRAINT PK_ReaderType(TypeID)","ALTER TABLE ReaderType ADD PK_ReaderType primary key (TypeID)","ALTER TABLE ReaderType ADD CONSTRAINT PK_ReaderType primary key (TypeID)","将表ReaderType中的TypeID设置为主键,正确的命令是",{"answer":81,"createTime":33,"id":82,"options":83,"question":88,"source":26,"type":27},[],106415669,[84,85,86,87],"ALTER TABLE ReaderType ADD CONSTRAINT UQ_ReaderType unique (Typename)","ALTER TABLE ReaderType ADD CONSTRAINT unique (Typename)","ALTER TABLE ReaderType ADD CONSTRAINT UQ_ReaderType (Typename)","ALTER TABLE ReaderType ADD UQ_ReaderType unique (Typename)","为ReaderType表中的Typename添加唯一约束,正确的语句是",{"answer":90,"createTime":33,"id":91,"options":92,"question":97,"source":26,"type":27},[],106415674,[93,94,95,96],"ALTER TABLE Reader ADD CONSTRAINT check (Email like '%@%')","ALTER TABLE Reader ADD CONSTRAINT CK_Reader (Email like '%@%')","ALTER TABLE Reader ADD CONSTRAINT CK_Reader check (Email like '%@%')","ALTER TABLE Reader ADD CK_Reader check (Email like '%@%')","为表Reader中的Email字段添加检查约束,要求该字段需要有"@"符号,正确的命令是"]