[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fO-zQmPe07frEhq0iRhWxpvjsSrwLHl5D_pVxzwcsIKs":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2023-05-11 17:37:17",5666391,[8,9,10,11],"A、SQL语法","B、无效字符","C、参数异常","D、MySQL版本",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},46,"0a78b16c4c9bff73a68e06f9e45e4dc8","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffb4e0e6a5574c0a2bea5a3691ff957f7.jpg","java框架开发技术","79d4f20bf3d940e89e261092959206f0","第三章动态SQL","执行的SQL语句中,where后面直接跟and,会抛出的错误是( )",[21,32,35,44,53,62,71,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],5666390,[25,26,27,28],"A、item属性为可选","B、index属性为必选","C、close属性为必选","D、separator属性为可选","以下关于元素中属性的描述正确的是( )","v1",0,{"answer":33,"createTime":5,"id":6,"options":34,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":30,"type":31},[],5666392,[39,40,41,42],"A、元素内包含的内容可以都为空","B、只有元素可以实现更新操作","C、元素内包含的内容都为空的话,会报"无效字符"的错误","D、除了使用元素实现更新操作,还可以使用其他元素","以下关于使用元素进行更新说法正确的是( )",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":30,"type":31},[],5666393,[48,49,50,51],"A、元素主要用于更新操作,其主要作用是在动态包含的SQL语句前输出一个SET关键字,并将SQL语句中最后一个多余的逗号去除","B、使用MyBatis的元素来更新操作时,前端需要传入所有参数字段,否则未传入字段会默认设置为空","C、在映射文件中使用和元素组合进行update语句动态SQL组装时, 元素内包含的内容可以都为空,元素会进行判断处理","D、在映射文件进行更新操作时,只需要使用元素就可以进行动态SQL组装","以下关于MyBatis的元素的使用及说法正确的是( )",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":30,"type":31},[],5666394,[57,58,59,60],"A、separator","B、item","C、prefix","D、collection","下列属性中,不属于元素的属性的是( )",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],5666395,[66,67,68,69],"A、使用元素可以替换"where 1=1"条件","B、元素只会自动去除where之后的多余的"AND"","C、where之后的内容有多余的"AND"或"OR",元素也会自动将他们去除","D、元素会自动判断由组合条件拼装的SQL语句","以下关于元素的说法错误的是( )",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":30,"type":31},[],5666396,[75,76,77,78],"A、item:配置的是循环中当前的元素","B、collection:配置的是传递过来的参数类型,它可以是一个array、list(或collection)、Map集合的键、POJO包装类中数组或集合类型的属性名等","C、index:配置的是当前元素在集合的位置下标","D、separator:配置的是各个元素的间隔符","以下关于元素中属性的描述错误的是( )",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],5666397,[84,85,86,87],"A、元素的id属性多用于条件判断语句中,用于判断真假","B、使用元素的test属性可以对传入参数进行条件判断,如果传入的条件成立就进行动态SQL组装","C、元素不可以出现多个","D、以上说法都正确","关于元素的使用及说法正确的是( )",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],5666398,[93,94,95,96],"A、元素用于单条件分支判断","B、(、)元素用于多条件分支判断","C、元素支持对数组、List和Map的遍历","D、元素不可以直接实现元素的功能","以下有关MyBatis动态SQL中的主要元素说法错误的是( )",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],5666399,[102,103,104,105],"A、item属性表示集合中每一个元素进行迭代时的别名","B、i遍历List和数组时,index是元素的序号","C、item属性为必选","D、遍历Map时,index属性是元素的key","下列关于元素中的属性说法正确的是( )"]