Oracle 1Z0-171 : Oracle Database 23ai SQL Associate

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Oracle Database 23ai SQL Associate Sample Questions:

1. Which type of join retrieves only the rows with matching values in both tables?

A) OUTER JOIN
B) INNER JOIN
C) CROSS JOIN
D) NATURAL JOIN

2. How are NULL values treated in relational databases?

A) NULL values are treated as empty strings.
B) NULL values are not allowed in relational databases.
C) NULL values are treated as zero.
D) NULL values represent missing or unknown data.

3. What does the following command do?
GRANT CREATE SESSION TO user_name;

A) Allows the user to create database objects
B) Allows the user to create new sessions for other users
C) Assigns the user to a specific role
D) Grants the user the ability to connect to the database

4. How can you ensure that data is sorted in descending order in a SQL query?

A) Use the ASC keyword
B) Use the DESC keyword
C) Use the ORDER keyword
D) Use the DISTINCT keyword

5. Which type of INSERT statement allows inserting rows into multiple tables using a single SELECT query?

A) Insert rows into a single table based on values in other tables
B) Insert rows into multiple tables without conditions
C) Insert rows into a table only when a condition is met
D) Insert rows into multiple tables simultaneously

Solutions: