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Oracle 1Z0-007 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Writing Basic SQL SELECT Statements | - Capabilities of SQL SELECT statements - Differentiate between SQL and iSQL*Plus commands - Execute a basic SELECT statement |
| Topic 2: Displaying Data from Multiple Tables | - Outer joins - Equality and nonequality joins - Self–join |
| Topic 3: Creating Other Database Objects | - Indexes - Synonyms - Sequences |
| Topic 4: Manipulating Data | - DELETE rows - INSERT rows - UPDATE rows - MERGE rows |
| Topic 5: Single–Row Functions | - Use conversion functions - Use character, number, and date functions in SELECT statements |
| Topic 6: Creating Views | - DML through views - Create, alter, drop views |
| Topic 7: Producing Readable Output with iSQL*Plus | - Script files - Substitution variables |
| Topic 8: Restricting and Sorting Data | - Sort rows retrieved by a query - Limit rows retrieved by a query |
| Topic 9: Subqueries | - Define subqueries - Single–row and multiple–row subqueries |
Oracle Introduction to Oracle9i: SQL Sample Questions:
What does the FORCE option for creating a view do?
- A. creates a view regardless of whether or not the base tables exist
- B. creates a view even if the underlying parent table has constraints
- C. creates a view with constraints
- D. creates a view in another schema even if you don't have privileges
Correct Answer: A 🗳️
Explanation: Only visible for TestPassKing members. You can sign-up / login (it's free).
Which four are types of functions available in SQL? (Choose 4)
- A. integer
- B. string
- C. conversion
- D. translation
- E. date
- F. numeric
- G. calendar
- H. character
Correct Answer: C,E,F,H 🗳️
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In which four clauses can a subquery be used? (Choose four.)
- A. in the SET clause of an UPDATE statement
- B. in the GROUP BY clause of a SELECT statement
- C. in the INTO clause of an INSERT statement
- D. in the WHERE clause of a SELECT statement
- E. in the VALUES clause of an INSERT statement
- F. in the FROM clause of a SELECT statement
Correct Answer: A,C,D,F 🗳️
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Which two statements about creating constraints are true? (Choose two)
- A. Constraints can be created after the table is created.
- B. Constraint names must start with SYS_C.
- C. Information about constraints is found in the VIEW_CONSTRAINTS dictionary view.
- D. Constraints can be created at the same time the table is created.
- E. All constraints must be defines at the column level.
Correct Answer: A,D 🗳️
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Examine the structure of the EMPLOYEES table:
What is the correct syntax for an inline view?
- A. SELECT a.last_name, a.salary, a.department_id
FROM employees a
WHERE a.salary =
(SELECT max(salary)
FROM employees b
WHERE a.department_id = b.department_id); - B. SELECT a.last name, a.salary, a.department_id FROM employees a WHERE a.department_id IN (SELECT department_id FROM employees b GROUP BY department_id having salary = (SELECT max(salary) from employees))
- C. SELECT a.last_name, a.salary, a.department_id
FROM employees a
WHERE (a.department_id, a.salary) IN
(SELECT department_id, a.salary) IN
(SELECT department_id max(salary)
FROM employees b
GROUP BY department_id
ORDER BY department_id); - D. SELECT a.last_name, a.salary, a.department_id,
- E. maxsal FROM employees a, (SELECT department_id, max(salary)maxsal FROM employees GROUP BY department_id) b WHERE a.department_id = b.department_id AND a.salary < b.maxsal;
Correct Answer: D 🗳️
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