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Oracle 1Z0-007 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Introduction to Oracle9i: SQL |
| Exam Number: | 1Z0-007 |
| Real Exam Qty: | 57 |
| Certificate Validity Period: | Retired; perpetual validity if achieved before discontinuation |
| Available Languages: | English, Spanish, Japanese |
| Passing Score: | 70% (40 out of 57) |
| Exam Format: | Multiple Select, Multiple Choice |
| Related Certifications: | Oracle9i DBA OCA Oracle9i DBA OCP |
| Exam Price: | Approx. $195–$225 USD (historical, varies by region) |
| Exam Duration: | 120 minutes |
| Recommended Training: | Oracle University - Introduction to Oracle9i: SQL Oracle9i SQL Study Guide |
| Exam Registration: | Pearson VUE (historical) Oracle University (legacy) |
| Sample Questions: | Oracle 1Z0-007 Sample Questions |
| Exam Way: | In-person at Pearson VUE / Oracle Testing Centers (retired, no longer available) |
| Pre Condition: | None required; recommended basic relational database knowledge |
| Official Syllabus URL: | https://education.oracle.com/ |
Oracle 1Z0-007 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Displaying Data from Multiple Tables | 15% | - Outer joins and self-joins - ANSI/ISO SQL99 joins - Equijoins and non-equijoins |
| Topic 2: Aggregating Data Using Group Functions | 13% | - Using COUNT, SUM, AVG, MAX, MIN - Filtering groups with HAVING - GROUP BY clause |
| Topic 3: Single-Row Functions | 18% | - Conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Character, number, and date functions - Conditional expressions (NVL, DECODE) |
| Topic 4: Creating and Managing Tables | 9% | - CREATE, ALTER, DROP, RENAME tables - Data types and constraints - Managing indexes, sequences, synonyms, views |
| Topic 5: Restricting and Sorting Data | 12% | - Using substitution variables - Limiting rows with WHERE clause - Sorting results with ORDER BY |
| Topic 6: Writing Basic SQL SELECT Statements | 15% | - Capabilities of SQL SELECT statements - Executing basic SELECT statements - SQL vs iSQL*Plus commands |
| Topic 7: Manipulating Data | 8% | - INSERT, UPDATE, DELETE statements - Transaction control (COMMIT, ROLLBACK, SAVEPOINT) |
| Topic 8: Subqueries | 10% | - Single-row and multi-row subqueries - Using IN, ANY, ALL operators |
Oracle Introduction to Oracle9i: SQL Sample Questions:
You define a multiple-row subquery in the WHERE clause of an SQL query with a comparison operator "=".
What happens when the main query is executed?
- A. You cannot define a multiple-row subquery in the WHERE clause of a SQL query.
- B. The main query executes with the first value returned by the subquery.
- C. The main query fails because the multiple-row subquery cannot be used with the comparison operator.
- D. The main query executes with all the values returned by the subquery.
- E. The main query executes with the last value returned by the subquery.
Correct Answer: C 🗳️
Explanation: Only visible for BraindumpQuiz members. You can sign-up / login (it's free).
You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty.
Which statement accomplishes this task?
- A. ALTER TABLE students
ADD CONSTRAINT PRIMARY KEY (student_id); - B. ALTER TABLE students
ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id; - C. ALTER TABLE students
ADD PRIMARY KEY student_id; - D. ALTER TABLE students
MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id); - E. ALTER TABLE students
ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id);
Correct Answer: E 🗳️
Explanation: Only visible for BraindumpQuiz members. You can sign-up / login (it's free).
Which two statements are true about WHERE and HAVING clauses? (Choose two)
- A. A HAVING clause can be used to restrict both rows and groups.
- B. A WHERE clause can be used to restrict both rows and groups.
- C. A HAVING clause can be used to restrict groups only.
- D. A WHERE clause can be used to restrict rows only.
- E. A HAVING clause CANNOT be used in subqueries.
- F. A WHERE clause CANNOT be used in a query of the query uses a HAVING clause.
Correct Answer: C,D 🗳️
Explanation: Only visible for BraindumpQuiz members. You can sign-up / login (it's free).
Which are DML statements? (Choose all that apply)
- A. MERGE...
- B. CREAT..
- C. DELETE...
- D. UPDATE...
- E. DROP...
- F. COMMIT...
Correct Answer: A,C,D 🗳️
Explanation: Only visible for BraindumpQuiz members. You can sign-up / login (it's free).
Examine the structure of the EMPLOYEES table:
EMPLOYEE_ID NUMBER NOT NULL, Primary Key EMP_NAME VARCHAR2(30) JOB_ID NUMBER\ SAL NUMBER MGR_ID NUMBER References EMPLOYEE_ID column DEPARTMENT_ID NUMBER Foreign key to DEPARTMENT_ID column of the
DEPARTMENTS table
You created a sequence called EMP_ID_SEQ in order to populate sequential values for the EMPLOYEE_ID column of the EMPLOYEES table.
Which two statements regarding the EMP_ID_SEQ sequence are true? (Choose two.)
- A. The EMP_ID_SEQ sequence is dropped automatically when you drop the EMPLOYEE_ID column.
- B. The EMP_ID_SEQ sequence is not affected by modifications to the EMPLOYEES table.
- C. You cannot use the EMP_ID_SEQ sequence to populate the JOB_ID column.
- D. Any other column of NUMBER data type in your schema can use the EMP_ID_SEQ sequence.
- E. The EMP_ID_SEQ sequence is dropped automatically when you drop the EMPLOYEES table.
- F. The EMP_ID_SEQ sequence is invalidated when you modify the EMPLOYEE_ID column.
Correct Answer: B,D 🗳️
Explanation: Only visible for BraindumpQuiz members. You can sign-up / login (it's free).
By Bruce
