Where are the derricks? They are ________
A.in deck
B.on deck
C.at deck
D.below deck
第1题:
有SQL语句:SELECT DISTINCT 系号 FROM 教师 WHERE 工资>=;ALL(SELECT 工资 FROM 教师 WHERE 系号=“02”)与如上语句等价的SQL语句是A) SELECT DISTINCT 系号 FROM 教师 WHERE 工资>=;(SELECT MAX(工资)FROM教师WHERE系号="02")B)SELECT DISTINCT 系号 FROM 教师 WHERE 工资>=;(SELECT MIN(工资)FROM 教师 WHERE 系号="02")C)SELECT DISTINCT 系号 FROM 教师 WHERE 工资>=;ANY(SELECT 工资 FROM 教师 WHERE 系号="02")D)SELECT DISTINCT 系号 FROM 教师 WHERE 工资>=;SOME(SELECT 工资 FROM 教师 WHERE 系号="02")
第2题:
有SQL语句: SELECT DISTINCT 系号 FROM 教师 WHERE 工资>=; ALL(SELECT 工资 FROM 教师 WHERE 系号 =“02”) 与如上语句等价的SQL语句是
A.SELECT DISTINCT 系号 PROM 教师 WHERE 工资>=; (SELECT MAX(工资)FROM 教师 WHERE 系号=“02”)
B.SELECT DISTINCT 系号 FROM 教师 WHERE 工资=; (SELECT MIN(工资)FROM 教师 WHERE 系号=“02”)
C.SELECT DISTINCT 系号 FROM 教师 WHERE 工资>=; ANY(SELECT 工资 FROM 教师 WHERE 系号=“02”)
D.SELECT DISTINCT 系号 FROM 教师 WHERE 工资>=; SOME(SELECT 工资 FROM 教师 WHERE 系号=“02”)
第3题:
When a wind force causes a floating ship to heel to a static angle,the ______.
A.Centers of buoyancy and gravity are in the same vertical line
B.Righting moment equals the wind-heeling moment
C.Downflooding point is below water
D.Deck-edge immersion occurs
第4题:
有SQL语句: SELECTDISTINCT系号FROM教师WHERE工资>=; ALL(SELECT工资FROM教师WHERE系号="02") 与如上语句等价的SQL语句是
A.SELECTDISTINCT系号FROM教师WHERE工资>=; (SELECTMAX(工资)FROM教师WHERE系号="02")
B.SELECTDISTINCT系号FROM教师WHERE工资>=; (SELECTMIN(工资)FROM教师WHERE系号="02")
C.ELECTDISTINCT系号FROM教师WHERE工资>=; ANY(SELECT工资FROM教师WHERE系号="02")
D.SELECTDISTINCT系号FROM教师WHERE工资>=; SOME(SELECT工资FROM教师WHERE系号="02")
第5题:
有SQL语句:SELECT DISTINCT系号FROM教师WHERE 工资>=ALL (SELECT 工资FROM教师WHERE系号=\"02\") 与如上语句等价的SQL语句是
A.SELECT DISTINCT系号FROM教师WHERE工资>=(SELECT MAX(工资)FROM教师WHERE 系号="02")
B.SELECT DISTINCT系号FROM教师WHERE工资>=(SELECT MIN(工资)FROM教师WHERE 系号="02")
C.SELECT DISTINCT系号FROM教师WHERE工资>=(ANY(SELECT(工资)FROM教师WHERE 系号="02")
D.SELECT DISTINCT系号FROM教师WHERE工资>=(SOME (SELECT(工资)FROM教师WHERE 系号="02")
第6题: