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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Data Manipulation Language (DML) | - Insert, Update, Delete operations
|
| Advanced SQL Features | - Aggregations and grouping
|
| Data Definition Language (DDL) | - Schema objects
|
| Retrieving Data Using SQL | - Joins and Subqueries
|
| Relational Database Concepts | - Database fundamentals and relational model
|
Oracle Database 23ai SQL Associate Sample Questions:
Which component of an ERD (Entity-Relationship Diagram) represents the attributes of an entity?
- A. Diamonds
- B. Arrows
- C. Rectangles
- D. Ovals
Correct Answer: D 🗳️
Which of the following statements is true about constraints in Oracle Database?
- A. Constraints are automatically dropped when rows are deleted.
- B. Constraints can only be added when creating a table.
- C. Constraints cannot reference other tables.
- D. Constraints can be added or modified using the ALTER TABLE statement.
Correct Answer: D 🗳️
Which SQL function calculates the number of months between two dates?
Response:
- A. TIME_DIFF
- B. DATE_CALC
- C. MONTHS_BETWEEN
- D. DATE_DIFF
Correct Answer: C 🗳️
Which type of join includes rows that do not have matching values in the joined table?
- A. OUTER JOIN
- B. CROSS JOIN
- C. SELF JOIN
- D. INNER JOIN
Correct Answer: A 🗳️
Which type of join returns all rows from the left table, even if there are no matches in the right table?
- A. FULL OUTER JOIN
- B. RIGHT OUTER JOIN
- C. INNER JOIN
- D. LEFT OUTER JOIN
Correct Answer: D 🗳️
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