[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fgjPlzzcu4DnKcsNOY0V0jpLNCteDWKjcBRJQCdVEPCU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2025-01-11 00:00:36",172853509,[8,9,10,11],"事务中的所有操作要么都执行,要么都不执行","若事务正常结束,即使发生故障,新结果也不会从数据库中消失","指数据库的内容不出现矛盾的状态","若多个事务同时进行,与顺序实现的处理结果是一致的",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},96,"feaefe849bbef089714e20cf6512d936","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8f6d1861c2d7225ca42808692d75026e.jpg","数据库原理与应用","exam_142531634","数据库原理与应用模拟考试","对于事务的ACID性质,下列关于原子性的描述正确的是( )",[21,33,42,51,60,69,78,87,96,99],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-12-21 17:38:08",172853486,[26,27,28,29],"alter view 语句","drop view 语句","update view语句","delete view 语句","下列选择项中,用于删除视图的语句是( )","v1",0,{"answer":34,"createTime":23,"id":35,"options":36,"question":41,"source":31,"type":32},[],172853489,[37,38,39,40],"SHOW GLOBAL","REDO","DUMP","CMDPATH","可以使用( )语句查看二进制日志的开启状态",{"answer":43,"createTime":23,"id":44,"options":45,"question":50,"source":31,"type":32},[],172853492,[46,47,48,49],"联系","实体","属性","字段","以下( )不是E-R模型中的基本元素",{"answer":52,"createTime":23,"id":53,"options":54,"question":59,"source":31,"type":32},[],172853495,[55,56,57,58],"数据的集合","命令的集合","文件的集合","程序的集合","数据库就是在计算机系统中按照一定的数据库模型组织、存储与应用的( )",{"answer":61,"createTime":23,"id":62,"options":63,"question":68,"source":31,"type":32},[],172853498,[64,65,66,67],"alter table 语句可以删除字段","alter table 语句可以修改字段数据类型","alter table 语句可以添加字段","alter table 语句不可以修改字段名称","下列关于alter table语句叙述错误的是( )",{"answer":70,"createTime":23,"id":71,"options":72,"question":77,"source":31,"type":32},[],172853501,[73,74,75,76],"网状模型","关系模型","E-R 模型","层次模型","下列给出的数据模型中,就是概念数据模型的就是( )",{"answer":79,"createTime":23,"id":80,"options":81,"question":86,"source":31,"type":32},[],172853504,[82,83,84,85],"数据写入数据库后","突然断电后 缓冲区","事务执行过程中","采用静态副本恢复后",",数据库处于一致性状态",{"answer":88,"createTime":23,"id":89,"options":90,"question":95,"source":31,"type":32},[],172853506,[91,92,93,94],"REVOKE SELECT ON T FROM user2","GRANT SELECT ON T TO user2","DENY SELECT ON T TO user2","REVOKE UPDATE ON T","下列哪一个SQL语句能够实现收回user2查询基本表T的权限( )",{"answer":97,"createTime":5,"id":6,"options":98,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":100,"createTime":23,"id":101,"options":102,"question":107,"source":31,"type":32},[],172853511,[103,104,105,106],"REPLACE()","JOIN()","CONCAT()","SUBSTRING()","下面选项中,用于实现字符串连接的函数是( )"]