OCP试题解析：11g-1Z0-051-v9.02-025题

OCP试题解析：11g-1Z0-051-v9.02-025题,完整题库请点击这里联系老师咨询了解

25. You need to create a table with the following column specifications:

1. Employee ID (numeric data type) for each employee

2. Employee Name (character data type) that stores the employee name

3. Hire date, which stores the date of joining the organization for each employee

4. Status (character data type), that contains the value 'ACTIVE' if no data is entered

5. Resume (character large object [CLOB] data type), which contains the resume submitted by the

employee

Which is the correct syntax to create this table?

A. CREATE TABLE EMP_1

(emp_id NUMBER(4),

emp_name VARCHAR2(25),

start_date DATE,

e_status VARCHAR2(10) DEFAULT 'ACTIVE',

resume CLOB(200));

B. CREATE TABLE 1_EMP

(emp_id NUMBER(4),

emp_name VARCHAR2(25),

start_date DATE,

emp_status VARCHAR2(10) DEFAULT 'ACTIVE',

resume CLOB);

C. CREATE TABLE EMP_1

(emp_id NUMBER(4),

emp_name VARCHAR2(25),

start_date DATE,

emp_status VARCHAR2(10) DEFAULT "ACTIVE",

resume CLOB);

D. CREATE TABLE EMP_1

(emp_id NUMBER,

emp_name VARCHAR2(25),

start_date DATE,

emp_status VARCHAR2(10) DEFAULT 'ACTIVE',

resume CLOB);

Answer: D

试题解析：

A答案：CLOB不需要跟size。

B答案：表名不以数字开头，或者加上双引号，或者只能以字母开头

C答案：字符默认值不能用双引号，需要使用单引号。

D答案：D正确，可成功创建表。