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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Data Manipulation Language (DML) | - Insert, Update, Delete operations
|
| Relational Database Concepts | - Database fundamentals and relational model
|
| Retrieving Data Using SQL | - Joins and Subqueries
|
| Data Definition Language (DDL) | - Schema objects
|
| Advanced SQL Features | - Set operators and functions
|
Oracle Database 23ai SQL Associate Sample Questions:
1. What does the INTERSECT operator do in SQL?
A) Returns rows from the first query that are not present in the second query
B) Returns rows that are present in both queries
C) Combines all rows from two queries without any conditions
D) Combines rows from two queries and includes all duplicates
2. How is the LOCALTIMESTAMP function different from CURRENT_TIMESTAMP?
A) LOCALTIMESTAMP does not include fractional seconds, while CURRENT_TIMESTAMP does.
B) LOCALTIMESTAMP omits time zone information, while CURRENT_TIMESTAMP includes it.
C) Both functions are identical in output.
D) LOCALTIMESTAMP returns only the date, while CURRENT_TIMESTAMP returns the date and time.
3. Which SQL JOIN keyword retrieves all rows from both tables, including those without matches?
A) FULL OUTER JOIN
B) RIGHT
C) CROSS
D) LEFT
4. Which type of join retrieves only the rows with matching values in both tables?
A) INNER JOIN
B) CROSS JOIN
C) NATURAL JOIN
D) OUTER JOIN
5. What is a role in Oracle Database?
A) A predefined SQL statement stored in the database
B) A database object used to enforce constraints
C) A set of privileges that can be granted to users or other roles
D) A user-defined function
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: A | Question # 5 Answer: C |
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