Spam blockers are a kind of virus which prevents your email box from receiving any emails.()
Spam blockers are a kind of virus which prevents your email box from receiving any emails.()
相关考题：
检索有职工的基本工资大于或等于“11”部门中任意一名职工工资的“部门号”，正确的命令是，( )。A．SELECT DISTINCT 部门号 FROM 职工 WHERE 基本工资＞=ANY; (SELECT 基本工资 FROM 职工 WHERE 部门号="11")B．SELECT DISTINCT 部门号 FROM 职工 WHERE 基本工资＞=ALL; (SELECT 基本工资 FROM 职工 WHERE 部门号="11")C．SELECT DISTINCT 部门号 FROM 职工 WHERE 基本工资＞=ANY; (SELECT MAX(基本工资) FROM 职工 WHERE 部门号="11")D．SELECT DISTINCT 部门号 FROM 职工 WHERE 基本工资＞=ALL; (SELECT MIN(基本工资) FROM 职工 WHERE 部门号="11")
检索有职工的工资大于或等于“WH1”仓库中所有职工“工资”的仓库号，正确的命令是( )。A．SELECT DISTINCT 仓库号 FROM 职工 WHERE 工资＞=ANY; (SELECT MAX(工资) FROM 职工 WHERE 仓库号="WH1")B．SELECT DISTINCT 仓库号 FROM 职工 WHERE 工资＞=ANY; (SELECT 工资 FROM 职工 WHERE 仓库号="WH1")C．SELECT DISTINCT 仓库号 FROM 职工 WHERE 工资＞=ALL; (SELECT 工资 FROM 职工 WHERE 仓库号="WH1")D．SELECT DISTINCT 仓库号 FROM 职工 WHERE 工资＞=ALL; (SELECT MAX(工资) FROM 职工 WHERE 仓库号="WH1")
假设所有学生都已选课，所有的选课成绩都已确定。检索所有选课成绩都在90分以上(含)的学生信息，正确的SQL命令是( )。A．SELECT*FROM学生WHERE学号IN(SELECT学号FROM选课WHERE成绩=90)B．SELECT*FROM学生WHERE学号NOT IN(SELECT学号FROM选课 WHERE成绩90)C．SELECT*FROM学生WHERE学号!=ANY(SELECT学号FROM选课 WHERE成绩90)D．SELECT*FROM学生WHERE学号=ANY(SELECT学号FROM选课 WHERE成绩=90)
Youwillwanttwotreesabouttenfeetapart,from_____tosuspendyourtent.(A)there(C)which(B)them(D)where
You will want two trees about ten feet apart, 选择 Youwillwanttwotreesabouttenfeetapart,from_____tosuspendyourtent.(A)there(C)which(B)them(D)where
以下5题使用下列数据表。仓库(仓库号C(3)、所在地C(8)、人数N(2))职工(仓库号C(3)、职工号C(2)、姓名C(8)、工资I)检索有职工的工资大于或等于“WHl”仓库中所有职工“工资”的仓库号，正确的命令是( )。A．SELECT DISTINCT 仓库号 FROM 职工 WHERE 工资＞=ANY; (SELECT MAX(工资) FROM 职工 WHERE 仓库号="WH1")B．SELECT DISTINC T仓库号 FROM 职工 WHERE 工资＞=ANY; (SELECT 工资 FROM 职工 WHERE 仓库号="WH1")C．SELECT DISTINCT 仓库号 FROM 职工 WHERE 工资＞=ALL; (SELECT 工资 FROM 职工 WHERE 仓库号="WH1")D．SELECT DISTINCT 仓库号 FROM 职工 WHERE 工资＞=ALL; (SELECT MAX(工资) FROM 职工 WHERE 仓库号="WH1")
Lack of space forbids further treatment of the topic here.A:receives B:deservesC:accepts D:prevents
14、以下程序执行后的结果是： spam = [1, 2, 3, 4] spam.append（5) spam