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The purpose of Mr. Saunders' visit is toA．make a business report to the woman.B．be intervi

The purpose of Mr. Saunders' visit is to

A．make a business report to the woman.

B．be interviewed for a job in the woman's company.

C．resign from his position in the woman's company.

D．exchange stock market information with the woman.

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更多“The purpose of Mr. Saunders' v…”相关的问题

第1题

A．

B．

C．

D．

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第2题

You own a table called EMPLOYEES with this table structure: EMPLOYEE_ID NUMBER Primary Key

FIRST_NAME VARCHAR2(25)LAST_NAME VARCHAR2(25)HIRE_DATE DATEWhat happens when you execute this DELETE statement？ DELETE employees; （）

A. You get an error because of a primary key violation.

B. The data and structure of the EMPLOYEES table are deleted.

C. The data in the EMPLOYEES table is deleted but not the structure.

D. You get an error because the statement is not syntactically correct.

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第3题

Examine the structure of the EMPLOYEES table:You issue these statements:At the end of this transaction, what is true？（）

A. You have no rows in the table.

B. You have an employee with the name of James.

C. You cannot roll back to the same savepoint more than once.

D. Your last update fails to update any rows because employee ID 180 was already eleted.

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第4题

A．

B．

C．

D．

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第5题

Examine the structure of the EMPLOYEES table:EMPLOYEE_ID NUMBER Primary KeyFIRST_NAME VARCHAR2（25)LAST_NAME VARCHAR2（25)Which three statements insert a row into the table？（）

A.INSERT INTO employees VALUES (NULL, ‘John‘, ‘Smith‘);

B.INSERT INTO employees(first_name, last_name) VALUES(‘John‘, ‘Smith‘);

C.INSERT INTO employees VALUES (‘1000‘, ‘John‘, NULL);

D.INSERT INTO employees (first_name, last_name, employee_id) VALUES (1000, ‘John‘, ‘Smith‘);

E.INSERT INTO employees (employee_id) VALUES (1000);

F.INSERT INTO employees (employee_id, first_name, last_name) VALUES (1000, ‘John‘, ‘ ‘);

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第6题

Examine the statement: Create synonym emp for hr. employees; What happens when you issue the statement？（）

A. An error is generated.

B. You will have two identical tables in the HR schema with different names.

C. You create a table called employees in the HR schema based on you EMP table.

D. You create an alternative name for the employees table in the HR schema in your own schema.

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第7题

Examine the structure of the EMPLOYEES table:EMPLOYEE_ID NUMBER Primary KeyFIRST_NAME VARCHAR2（25)LAST_NAME VARCHAR2（25)Which three statements insert a row into the table？（）

A. INSERT INTO employees VALUES (NULL, ‘John‘, ‘smith‘);

B. INSERT INTO employees (first_name, last_name) VALUES (‘John‘, ‘smith‘);

C. INSERT INTO employees VALUES (‘1000, ‘John‘, ‘smith‘);

D. INSERT INTO employees (first_name, last_name, employee_id) VALUES (1000, ‘John‘, ‘smith‘);

E. INSERT INTO employees (employee_id) VALUES (1000);

F. INSERT INTO employees (employee_id, first_name, last_name, ) VALUES (1000, ‘John‘,‘‘);

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第8题