[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f_mmKwLmYJm26MW193yXbQ_wU9lbFjhucujWvnBISw7E":3},{"id":4,"source":5,"question":6,"options":7,"answer":8,"related":9,"type":16,"origin":71,"createTime":18},284377114,"v1","视图是从一张或多张表中导出的__________",[],[],[10,19,25,31,37,43,49,55,59,65],{"id":11,"source":5,"question":12,"options":13,"answer":14,"related":15,"type":16,"origin":17,"createTime":18},284377102,"substring(c,n1,n2)表示从字符串c的_________位置取________个字符,________表示取到队尾",[],[],[],2,null,"2025-12-24T15:28:08+08:00",{"id":20,"source":5,"question":21,"options":22,"answer":23,"related":24,"type":16,"origin":17,"createTime":18},284377103,"使用__________语句可以给已有的用户授予权限",[],[],[],{"id":26,"source":5,"question":27,"options":28,"answer":29,"related":30,"type":16,"origin":17,"createTime":18},284377104,"设关系 R 和关系 S 的属性和元组个数都分别是 5和 4,关系 T 是关系 R 和关系 S 的笛卡儿积,则关系 T 的记录个数是 、属性个数是",[],[],[],{"id":32,"source":5,"question":33,"options":34,"answer":35,"related":36,"type":16,"origin":17,"createTime":18},284377106,"常量可以分为________、________、________、________和________",[],[],[],{"id":38,"source":5,"question":39,"options":40,"answer":41,"related":42,"type":16,"origin":17,"createTime":18},284377108,"1NF要求关系中的每一个属性都是__________的数据项;2NF要求数据表中的每条数据都是__________的,且每个属性完全依赖于主键;3NF要求数据表不存在非主属性对任意主属性的__________",[],[],[],{"id":44,"source":5,"question":45,"options":46,"answer":47,"related":48,"type":16,"origin":17,"createTime":18},284377110,"事务的ACID基本特性分别表示__________、__________、__________和___________",[],[],[],{"id":50,"source":5,"question":51,"options":52,"answer":53,"related":54,"type":16,"origin":17,"createTime":18},284377112,"在SQL语言中,limit5,3是从结果集的第 行记录开始,连续选择__________条记录",[],[],[],{"id":4,"source":5,"question":6,"options":56,"answer":57,"related":58,"type":16,"origin":17,"createTime":18},[],[],[],{"id":60,"source":5,"question":61,"options":62,"answer":63,"related":64,"type":16,"origin":17,"createTime":18},284377116,"表的内连接类型有 和 两种",[],[],[],{"id":66,"source":5,"question":67,"options":68,"answer":69,"related":70,"type":16,"origin":17,"createTime":18},284377118,"索引是按照数据表中的一个或多个字段进行___________,并指向指针记录的位置",[],[],[],{"courseName":72,"courseImg":73,"workName":74,"workId":75,"count":76,"courseId":77},"数据库原理与应用","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F25b30343053994e8940089572d36015b.jpg","综合题测试","exam_168328155",73,"6d652bfa0bf00b4640e6f7981a1f48ac"]