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Oracle 1Z0-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Advanced SQL Features | - Aggregations and grouping
|
| Topic 2: Data Definition Language (DDL) | - Schema objects
|
| Topic 3: Data Manipulation Language (DML) | - Insert, Update, Delete operations
|
| Topic 4: Retrieving Data Using SQL | - Joins and Subqueries
|
| Topic 5: Relational Database Concepts | - Database fundamentals and relational model
|
Oracle Database 23ai SQL Associate Sample Questions:
What is the result of using the following SQL query?
SELECT 100 + NULL AS result;
- A. An error
- B. NULL
- C. 100
- D. 0
Correct Answer: B 🗳️
What is a sequence in Oracle Database?
- A. A database object that generates a series of unique numeric values
- B. A type of index used for sorting rows
- C. A list of numbers stored in a table
- D. A predefined set of SQL queries executed in order
Correct Answer: A 🗳️
Which SQL function converts a string representation of a date into a date data type?
- A. CONVERT_TO_DATE
- B. TO_DATE
- C. DATE_CONVERT
- D. CAST_TO_DATE
Correct Answer: B 🗳️
What happens when a unique index is created on a table column?
- A. The column cannot contain duplicate values.
- B. The column values are automatically encrypted.
- C. The column data type is converted to a primary key.
- D. The column can only contain NULL values.
Correct Answer: A 🗳️
What does the INTERSECT operator do in SQL?
- A. Returns rows that are present in both queries
- B. Combines rows from two queries and includes all duplicates
- C. Returns rows from the first query that are not present in the second query
- D. Combines all rows from two queries without any conditions
Correct Answer: A 🗳️






