下列不属于关系数据库产品的是A.DB2 B.CODASYL系统 C.ORACLE系统

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问题:

下列不属于关系数据库产品的是

A.DB2

B.CODASYL系统

C.ORACLE系统

D.SYBASE

考点:计算机等级考试数据库技术三级数据库技术笔试
题型:单项选择题
It was very late at night. An old man came to a small town. He found an inn (小旅馆) and Wanted to slay there for the night. After he went to his room, the owner said to his 41   ."Look at hisbag. There must be much money in it. Let’s take it away when he’s 42 , shall we? ’
"Oh, no," said the woman. "He must 43 his bag when he wakes up tomorrow morning. If he can’t find it, he’ll telephone the police."
They thought for a few minutes. Then the woman had an 44 . "We have forgetful grass. Why not put some forgetful grass into his food? If he 45 the food, he will forget lo take his bag away."
The old man ate the food 46 the forgetful grass and went to bed. The next morning when the owner got up, he found the door 47 and the old man had gone away with his bag. He woke his wife up and said to her angrily, "How foolish you are! Your forgetful grass isn’t 48 at all."
"No, I don’t think so. He must forget_49__," his wife said.
"Oh! I remember now! He forgot to 50 for the night," cried out the man suddenly. Then they looked at each other without saying a word.
小题1:
A.sisterB.friendC.auntD.wife
小题2:
A.asleepB.awakeC.aliveD.alone
小题3:
A.set offB.give upC.look forD.take off
小题4:
A.ideaB.adviceC.instructionD.excuse
小题5:
A.eatsB.receivesC.likesD.refuses
小题6:
A.ontoB.forC.withD.into
小题7:
A.openB.opensC.openingD.lo open
小题8:
A.interestingB.importantC.deliciousD.useful
小题9:
A.anythingB.nothingC.somethingD.everything
小题10:
A.spendB.costC.takeD.pay
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JB3965-85规定:磁轭间距应控制在()范围内,探伤区域应限制在两磁极连线的两侧面相当于()最大磁轭间距的面积内

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在“回收站”中,既然可以恢复从硬盘上删除的文件或文件夹,也可以恢复从软盘上压缩操作。()

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采取风险代理清收的资产项目必须是经过华夏银行多方努力收效甚微、()、继续依靠华夏银行自身力量难以取得效果的贷款项目。

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手柄电话机通过()接口和通信主单元(MCU)相连

A、RS232

B、RS422

C、NMEA

D、ISDN

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