[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fSXVb5T4oxL_wJyVQOQhe4DhZ9jkDW-DUbboR_MP4AFI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2024-12-11 18:22:13",170454966,[8,9,10,11],"Create","Insert","Alter","Drop",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},46,"75749e65b91d576130df992081110b6d","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c1e48361b00f3ee2086f4e259ed792b.jpg","数据库原理","exam_139085188","SQL语言","DDL 语句引导词不包括( )",[21,26,35,44,53,62,69,78,87,96],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],170454968,[30,31,32,33],"定义数据库对象","定义数据库安全权限和访问级别","数据库记录(数据)的增删改","以上都是","DML 语句主要用于( )",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],170454970,[39,40,41,42],"CREATE DATABASE","CREATE TABLE","INSERT INTO","SELECT","创建数据库的 SQL 语句是( )",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":24,"type":25},[],170454972,[48,49,50,51],"多个","0 个","1 个","2 个","创建表时,每个表能创建( )个主键约束",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":24,"type":25},[],170454974,[57,58,59,60],"Primary key","Unique","Not null","Foreign key","以下表示唯一性约束的是( )",{"answer":63,"createTime":5,"id":64,"options":65,"question":68,"source":24,"type":25},[],170454977,[41,66,67,42],"UPDATE","DELETE","向表中追加新元组的 SQL 语句是( )",{"answer":70,"createTime":5,"id":71,"options":72,"question":77,"source":24,"type":25},[],170454979,[73,74,75,76],"向表中追加新元组","修改表中某些元组的某些属性值","删除表中的某些元组","查询表中的数据","UPDATE 语句用于( )",{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":24,"type":25},[],170454981,[82,83,84,85],"ALL","DISTINCT","UNIQUE","NULL","要消除查询结果中取值重复的行,应使用( )关键词",{"answer":88,"createTime":5,"id":89,"options":90,"question":95,"source":24,"type":25},[],170454983,[91,92,93,94],"BETWEEN … AND …","NOT BETWEEN … AND …","IN","NOT IN","查询年龄在 20 - 23 岁(包括 20 岁和 23 岁)之间的学生,应使用( )谓词",{"answer":97,"createTime":5,"id":98,"options":99,"question":104,"source":24,"type":25},[],170454985,[100,101,102,103],"任意单个字符","任意长度(长度可以为 0)的字符串","固定长度的字符串","数字字符","以下字符匹配中,% 代表( )"]