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Oracle 1Z0-007 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Subqueries | - Define subqueries - Single–row and multiple–row subqueries |
| Creating Other Database Objects | - Synonyms - Indexes - Sequences |
| Writing Basic SQL SELECT Statements | - Capabilities of SQL SELECT statements - Execute a basic SELECT statement - Differentiate between SQL and iSQL*Plus commands |
| Displaying Data from Multiple Tables | - Self–join - Equality and nonequality joins - Outer joins |
| Manipulating Data | - MERGE rows - DELETE rows - INSERT rows - UPDATE rows |
| Creating Views | - DML through views - Create, alter, drop views |
| Producing Readable Output with iSQL*Plus | - Substitution variables - Script files |
| Single–Row Functions | - Use conversion functions - Use character, number, and date functions in SELECT statements |
| Restricting and Sorting Data | - Sort rows retrieved by a query - Limit rows retrieved by a query |
Oracle Introduction to Oracle9i: SQL Sample Questions:
You want to display the titles of books that meet these criteria:
1.Purchased before January 21, 2001
2.Price is less then $500 or greater than $900
You want to sort the results by their data of purchase, starting with the most recently
bought book.
Which statement should you use?
- A. SELECT book_title
FROM books
WHERE price between 500 and 900
AND purchase_date < '21-JAN-2001'
ORDER BY purchase_date; - B. SELECT book_title
FROM books
WHERE price IN (500,900)
AND purchase_date < '21-JAN-2001'
ORDER BY purchase date ASC; - C. SELECT book_title
FROM books
WHERE (price < 500 OR price > 900)
AND purchase_date < '21-JAN-2001'
ORDER BY purchase date DESC; - D. SELECT book_title
FROM books
WHERE price < 500 or > 900
AND purchase_date < '21-JAN-2001'
ORDER BY purchase date DESC;
Correct Answer: C 🗳️
Explanation: Only visible for DumpsMaterials members. You can sign-up / login (it's free).
Which one is a system privilege?
- A. CREATE TABLE
- B. DELETE
- C. ALTER TABLE
- D. EXECUTE
- E. SELECT
Correct Answer: A 🗳️
Which operator can be used with a multiple-row subquery?
- A. BETWEEN
- B. =
- C. LIKE
- D. IS
- E. <>
- F. NOT IN
Correct Answer: F 🗳️
Explanation: Only visible for DumpsMaterials members. You can sign-up / login (it's free).
Examine the data of the EMPLOYEES table.
EMPLOYEES (EMPLOYEE_ID is the primary key. MGR_ID is the ID of managers and refers to the EMPLOYEE_ID)
Which statement lists the ID, name, and salary of the employee, and the ID and name of the employee's manager, for all the employees who have a manager and earn more than 4000?
- A. SELECT e.employee_id "Emp_id", e.emp_name "Employee",
- B. mgr_id "Mgr_id", m.emp_name "Manager"
FROM employees e, employees m
WHERE e.employee_id = m.employee_id
AND e.salary > 4000; - C. salary,
- D. salary,
- E. SELECT employee_id "Emp_id", emp_name "Employee",
salary,
employee_id "Mgr_id", emp_name "Manager"
FROM employees
WHERE salary > 4000; - F. salary,
- G. employee_id "Mgr_id", m.emp_name "Manager"
FROM employees e, employees m
WHERE e.mgr_id = m.employee_id
AND e.salary > 4000; - H. salary,
- I. employee_id "Mgr_id", m.emp_name "Manager"
FROM employees e, employees m
WHERE e.mgr_id = m.mgr_id
AND e.salary > 4000; - J. SELECT e.employee_id "Emp_id", e.emp_name "Employee",
- K. SELECT e.employee_id "Emp_id", e.emp_name "Employee",
- L. SELECT e.employee_id "Emp_id", e.emp_name "Employee",
- M. mgr_id "Mgr_id", m.emp_name "manager"
FROM employees e, employees m
WHERE e.mgr_id = m.employee_id
AND e.salary > 4000;
Correct Answer: D 🗳️
Explanation: Only visible for DumpsMaterials members. You can sign-up / login (it's free).
Evaluate the set of SQL statements:
CREATE TABLE dept (deptno NUMBER(2), dname VARCHAR2(14), loc VARCHAR2(13)); ROLLBACK; DESCRIBE DEPT
What is true about the set?
- A. The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.
- B. The ROLLBACK statement frees the storage space occupies by the DEPT table.
- C. The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist.
- D. The DESCRIBE DEPT statement displays the structure of the DEPT table.
Correct Answer: D 🗳️
Explanation: Only visible for DumpsMaterials members. You can sign-up / login (it's free).
Viewing page 1 out of 22 pages.
Viewing questions 1-5 out of 110 questions.
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