Examine the description of the CUSTOMERS table: CUSTOMER_ID NUMBER(4) NOT NULL CUSTOMER_NAME VARCHAR2(100) NOT NULL STREET_ADDRESS VARCHAR2(150) CITY_ADDRESS VARCHAR2(50) STATE_ADDRESS VARCHAR2(50) PROVINCE_ADDRESS VARCHAR2(50) COUNTRY_ADDRESS VARCHAR2(50) POSTAL_CODE VARCHAR2(12) CUSTOMER_PHONE VARCHAR2(20) The CUSTOMER_ID column is the primary key for the table. Which statement returns the city address and the number of customers in the cities Los Angeles or San Francisco?()
第1题:
此题为判断题(对,错)。
第2题:
A. SUM(start_date)
B. AVG(start_date)
C. COUNT(start_date)
D. AVG(start_date, end_date)
E. MIN(start_date)
F. MAXIMUM(start_date)
第3题:
(ii) ‘job description’. (4 marks)
第4题:
_______
. A. conclusion B. description C. evaluation D. introduction
第5题:
A.Languages(LanguageID,Name)Elements(ElementID,Description)ElementLanguages(ElementID,LanguageID,Text)
B.Languages(LanguageID,Name)Elements(ElementID,LanguageID,Description,Text)
C.Languages(LanguageID,Name)ElementTexts(LanguageID,Text)ElementDescriptions(ElementID,Description)
D.Languages(LanguageID,Name)Elements(ElementID,Description,Text)
第6题:
Examine the description of the MARKS table:SUBJ1 and SUBJ2 indicate the marks obtained by a student in two subjects.Examine this SELECT statement based on the MARKS table:What is the result of the SELECT statement?()
A. The statement executes successfully and returns the student ID and sum of all marks for each student who obtained more than the average mark in each subject.
B. The statement returns an error at the SELECT clause.
C. The statement returns an error at the WHERE clause.
D. The statement returns an error at the ORDER BY clause.
第7题:
检查
A.expect
B.except
C.excuse
D.examine
第8题:
统计描述statistical description(名词解释)
第9题:
面向服务系统构建过程中,( )用于实现Web服务的远程调用,( )用来将分散的、功能单一的Web服务组织成一个复杂的有机应用。
A.UDDI(Universal Description,Discovery and Integration) B.WSDL(Web Service Description Language)C.SOAP(Simple Object Access Protocol)D.BPEL(Business Process Execution Language) A.UDDI(Universal Description,Discovery and Integration)B.WSDL(Web Service Description Language) C.SOAP(Simple Object Access Protocol)D.BPEL(Business Process Execution Language)
第10题: