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Oracle 1Z0-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Data Manipulation Language (DML) | - Insert, Update, Delete operations
|
| Topic 2: Advanced SQL Features | - Set operators and functions
|
| Topic 3: Retrieving Data Using SQL | - SELECT statements
|
| Topic 4: Relational Database Concepts | - Database fundamentals and relational model
|
| Topic 5: Data Definition Language (DDL) | - Schema objects
|
Oracle Database 23ai SQL Associate Sample Questions:
1. What does the NEXTVAL pseudocolumn do in SQL?
A) Retrieves the current value of a sequence without incrementing it
B) Deletes the sequence from the database
C) Retrieves the next value in a sequence and increments the sequence
D) Resets the sequence to its starting value
2. What is the relationship between SQL and a relational database?
A) SQL is a file system used to store relational database data.
B) SQL is a standard query language used to interact with relational databases
C) SQL is a scripting language used for file manipulation.
D) SQL is used to create flat file databases.
3. What does a Cartesian product in SQL result from?
A) An OUTER JOIN with NULL values
B) An INNER JOIN without specifying join conditions
C) A NATURAL JOIN without specifying join conditions
4. What does the INTERSECT operator do in SQL?
A) Combines rows from two queries and includes all duplicates
B) Returns rows that are present in both queries
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
5. Which SQL function calculates the number of months between two dates?
Response:
A) TIME_DIFF
B) MONTHS_BETWEEN
C) DATE_CALC
D) DATE_DIFF
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: B | Question # 5 Answer: B |
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