求助几道11G的OCP考题
1个回答
2016-10-28 · 国家定点培训基地,专注培养汽车人才。
云南万通汽车学校
云南万通汽修学校落于美丽的春城昆明,学校坏境优美,学习氛围浓厚。教学设施设备齐全,建有新能源汽车实训厅、整车实训厅、电器实训厅、汽车美容实训厅等20余个实训大厅,开设三十多个汽车技术专业。
向TA提问
关注
展开全部
1、原题:
1.You need to load information about new customers from the NEW_CUST table into the tables
CUST and CUST_SPECIAL. If a new customer has a credit limit greater than 10,000, then the
details have to be inserted into CUST_SPECIAL. All new customer details have to be inserted into
the CUST table. Which technique should be used to load the data most efficiently?
A.external table
B.the MERGE command
C.the multitable INSERT command
D.INSERT using WITH CHECK OPTION
2、中文翻译
1.你需要从NEW_CUST 表 装载新的顾客信息到两张表 CUST 表和 CUST_SPECAIL表. 如果新顾客信用限制超过10,000,顾客明细必须插入到cust_specail表. 另外,不管任何条件,所有顾客明细都必须插入到cust 表.
为实现这个目的,以下哪种技术能够用来最高效的装入数据?
A.external table
B.the MERGE command
C.the multitable INSERT command
D.INSERT using WITH CHECK OPTION
3、答案
根据以上解析,我们知道,
4个答案中,A为 外部表,B为merge命令,D为普通的insert语句,
所以,答案只有 C,多表插入.
1.You need to load information about new customers from the NEW_CUST table into the tables
CUST and CUST_SPECIAL. If a new customer has a credit limit greater than 10,000, then the
details have to be inserted into CUST_SPECIAL. All new customer details have to be inserted into
the CUST table. Which technique should be used to load the data most efficiently?
A.external table
B.the MERGE command
C.the multitable INSERT command
D.INSERT using WITH CHECK OPTION
2、中文翻译
1.你需要从NEW_CUST 表 装载新的顾客信息到两张表 CUST 表和 CUST_SPECAIL表. 如果新顾客信用限制超过10,000,顾客明细必须插入到cust_specail表. 另外,不管任何条件,所有顾客明细都必须插入到cust 表.
为实现这个目的,以下哪种技术能够用来最高效的装入数据?
A.external table
B.the MERGE command
C.the multitable INSERT command
D.INSERT using WITH CHECK OPTION
3、答案
根据以上解析,我们知道,
4个答案中,A为 外部表,B为merge命令,D为普通的insert语句,
所以,答案只有 C,多表插入.
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询