数据库中SAILORS表是由joe创建的.在DBMS完成下面的语句后Grant select on Sailors To Art With Grant option...Joe执行Grant select,update on Sailors To Bob With Grant option...Joe执行Grant select on Sailors To Bob With Grant option...Art执行Revoke select on Sailors From Art Cascade...Joe执行Bob对Sailors表拥有[1分]

Which of the following were first to take Hamburgers to America A: Russian sailors. B: German Sailors. C: Russian immigrants. D: German immigrants.

Ships are but boards, sailors ... These lines ______.

关系模式Sailors(sid,lastname.firtname,age,ratring)，其中lastname允许为空. 下面哪个语句能够查找出lastname属性值不为空的水手信息. A: SELECT * FROM SAILORS WHERE LASTNAME<>’NULL’ B: SELECT * FROM SAILORS WHERE LASTNAME<>NULL C: SELECT * FROM SAILORS WHERE LASTNAME IS not NULL D: SELECT * FROM SAILORS WHERE LASTNAME not LIKE ’NULL’

中国大学MOOC: Pirates are often engaged in _______ innocent sailors.

​Pirates are often engaged in _______ innocent sailors.‍ A: torturing B: kidnapping C: killing D: all of the above

Pirates are often engaged in _______ innocent sailors. A: torturing B: kidnapping C: killing D: all of the above

The sailors cast the boat off and allowed it to drift away on the tide. A: blow B: float C: take D: wander

Who were the first Chinese immigrants inthe UK(Britain)? A: labors and sailors B: artists and singers C: scholars and students

For more than a millennium, generations of Chinese who live near the sea have worshipped the goddess Mazu, a woman with magical powers who rescued sailors ______ disaster.