[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fpJsLYIxzCdgC3H6jL3_ptBYgbl8B73C_A3nwILVvrao":3},{"id":4,"source":5,"question":6,"options":7,"answer":8,"related":9,"type":56,"origin":69,"createTime":22},212649096,"v1","语句 SELECT ROUND(13.4321,2), ROUND(13.4567,3)的执行结果是:13.4和13.( )",[],[],[10,23,33,43,52,57,63],{"id":11,"source":5,"question":12,"options":13,"answer":18,"related":19,"type":20,"origin":21,"createTime":22},212649092,"使用下列哪种语句可以删除数据库( )",[14,15,16,17],"DROP DATABASE","CREATE TABLE","ALTER DATABASE","DROP TABLE",[],[],0,null,"2025-07-10T00:23:27+08:00",{"id":24,"source":5,"question":25,"options":26,"answer":31,"related":32,"type":20,"origin":21,"createTime":22},212649093,"下面SELECT语句中哪个子句可以包含子查询( )",[27,28,29,30],"SELECT","GROUPBY","WHERE","ORDERBY",[],[],{"id":34,"source":5,"question":35,"options":36,"answer":41,"related":42,"type":20,"origin":21,"createTime":22},212649094,"嵌套查询的子查询结果记录个数是( )",[37,38,39,40],"一个记录","多个记录","由子查询的WHERE子句而定","与FROM子句指定的表的记录个数相",[],[],{"id":44,"source":5,"question":45,"options":46,"answer":50,"related":51,"type":20,"origin":21,"createTime":22},212649095,"在SQL中,数据更新语句是( )",[27,47,48,49],"INSERT","DELETE","UPDATE",[],[],{"id":4,"source":5,"question":6,"options":53,"answer":54,"related":55,"type":56,"origin":21,"createTime":22},[],[],[],3,{"id":58,"source":5,"question":59,"options":60,"answer":61,"related":62,"type":56,"origin":21,"createTime":22},212649097,"如果表的某一列被指定具有NOT NULL属性,则表示不为空.( )",[],[],[],{"id":64,"source":5,"question":65,"options":66,"answer":67,"related":68,"type":56,"origin":21,"createTime":22},212649098,"检索姓名字段中含有'娟'的表达式为:姓名like %娟.( )",[],[],[],{"courseName":70,"courseImg":71,"workName":72,"workId":73,"count":74,"courseId":75},"数据库原理","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fac9dc54386692d640aaa9724dd585a45.jpg","3.4.2","work_44468178",7,"43cdc5ad204b6880f8bebac63a213dc1"]