Oracle 1Z0-007 : Introduction to Oracle9i: SQL

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Oracle 1Z0-007 Exam Syllabus Topics:

Oracle Introduction to Oracle9i: SQL Sample Questions:

1. Which constraint can be defined only at the column level?

A) NOT NULL
B) PRIMARY KEY
C) CHECK
D) UNIQUE
E) FOREIGN KEY

2. Which substitution variable would you use if you want to reuse the variable without prompting the user each time?

A) &&
B) ACCEPT
C) PROMPT
D) &

3. Examine the structure of the EMPLOYEES table:

Which INSERT statement is valid?

A) INSERT INTO employees (employee_id, first_name, last_name, hire_date) VALUES ( 1000, 'John', 'Smith', '01/01/01');
B) INSERT INTO employees(employee_id, first_name, last_name, hire_date) VALUES ( 1000, 'John', 'Smith', '01 January 01');
C) INSERT INTO employees(employee_id, first_name, last_name, Hire_date) VALUES ( 1000, 'John', 'Smith', To_date('01/01/01'));
D) INSERT INTO employees(employee_id, first_name, last_name, hire_date) VALUES ( 1000, 'John', 'Smith', 01-Jan-01);

4. Which are iSQL*Plus commands? (Choose all that apply.)

A) UPDATE
B) RENAME
C) DELETE
D) DESCRIBE
E) SELECT
F) INSERT

5. The EMPLOYEES table contains these columns:
EMPLOYEE_ID NUMBER(4)
LAST_NAME VARCHAR2 (25)
JOB_ID VARCHAR2(10)
You want to search for strings that contain 'SA_' in the JOB_ID column. Which SQL statement do you use?

A) SELECT employee_id, last_name, job_id FROM employees WHERE job_id = '%SA_';
B) SELECT employee_id, last_name, job_id FROM employees WHERE job_id LIKE '%SA\_%' ESCAPE '\';
C) SELECT employee_id, last_name, job_id FROM employees WHERE job_id LIKE '%SA_' ESCAPE "\";
D) SELECT employee_id, last_name, job_id FROM employees WHERE job_id LIKE '%SA_';

Solutions: