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Oracle 1Z0-007 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Introduction to Oracle9i: SQL |
| Exam Number: | 1Z0-007 |
| Certificate Validity Period: | N/A |
| Passing Score: | 71% |
| Exam Price: | US$ 125 |
| Real Exam Qty: | 52 |
| Related Certifications: | Oracle9i PL/SQL Developer OCA Oracle9i DBA OCA |
| Exam Duration: | 120 minutes |
| Available Languages: | English |
| Exam Format: | Multiple choice |
| Sample Questions: |  |
| Exam Way: | Online or at authorized testing centers |
| Pre Condition: | None |
| Official Syllabus URL: | https://www.oracle.com/education/certification/ |
Oracle 1Z0-007 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Single–Row Functions | - Use character, number, and date functions in SELECT statements - Use conversion functions |
| Topic 2: Creating Other Database Objects | - Indexes - Sequences - Synonyms |
| Topic 3: Manipulating Data | - INSERT rows - MERGE rows - UPDATE rows - DELETE rows |
| Topic 4: Displaying Data from Multiple Tables | - Outer joins - Equality and nonequality joins - Self–join |
| Topic 5: Restricting and Sorting Data | - Limit rows retrieved by a query - Sort rows retrieved by a query |
| Topic 6: Creating Views | - Create, alter, drop views - DML through views |
| Topic 7: Subqueries | - Define subqueries - Single–row and multiple–row subqueries |
| Topic 8: Writing Basic SQL SELECT Statements | - Capabilities of SQL SELECT statements - Execute a basic SELECT statement - Differentiate between SQL and iSQL*Plus commands |
| Topic 9: Producing Readable Output with iSQL*Plus | - Script files - Substitution variables |
Oracle Introduction to Oracle9i: SQL Materials That Go Where You Go
- Writing Basic SQL SELECT Statements ()
- Restricting and Sorting Data ()
- Creating Views ()
Oracle Introduction to Oracle9i: SQL Sample Questions:
Evaluate this SQL statement:
SELECT e.emp_name, d.dept_name
FROM employees e
JOIN departments d
USING (department_id)
WHERE d.department_id NOT IN (10,40)
ORDER BY dept_name;
The statement fails when executed. Which change fixes the error?
- A. replace the condition
"d.department_id NOT IN (10,40)"
in the WHERE clause with
"d.department_id <> 10 AND d.department_id <> 40" - B. remove the ORDER BY clause
- C. remove the table alias from the SELECT clause
- D. prefix the column in the USING clause with the table alias
- E. remove the table alias prefix from the WHERE clause
- F. prefix the column in the ORDER BY clause with the table alias
Correct Answer: C,F 🗳️
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Which two statements about creating constraints are true? (Choose two)
- A. Constraint names must start with SYS_C.
- B. All constraints must be defines at the column level.
- C. Constraints can be created at the same time the table is created.
- D. Information about constraints is found in the VIEW_CONSTRAINTS dictionary view.
- E. Constraints can be created after the table is created.
Correct Answer: C,E 🗳️
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You need to display the last names of those employees who have the letter "A" as the second character in their names.
Which SQL statement displays the required results?
- A. SELECT last_name FROM EMP WHERE last name ='_A%';
- B. SELECT last_name FROM EMP WHERE last_name LIKE '_A%';
- C. SELECT last_name FROM EMP WHERE last name ='*A%'
- D. SELECT last_name FROM EMP WHERE last name LIKE '*A%'
Correct Answer: B 🗳️
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Evaluate the SQL statement:
TRUNCATE TABLE DEPT;
Which three are true about the SQL statement? (Choose three.)
- A. You must be the owner of the table or have DELETE ANY TABLE system privileges to truncate the DEPT table
- B. It does not release the storage space used by the table.
- C. It releases the storage space used by the table.
- D. You can NOT roll back the deletion of rows after the statement executes.
- E. You can roll back the deletion of rows after the statement executes.
- F. An attempt to use DESCRIBE on the DEPT table after the TRUNCATE statement executes will display an error.
Correct Answer: A,C,D 🗳️
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A SELECT statement can be used to perform these three functions:
1.Choose rows from a table.
2.Choose columns from a table
3.Bring together data that is stored in different tables by creating a link between them.
Which set of keywords describes these capabilities?
- A. selection, intersection, join
- B. selection, projection, join
- C. difference, projection, join
- D. difference, projection, product
- E. intersection, projection, join
Correct Answer: B 🗳️
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