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Oracle 1Z0-171 Exam Syllabus Topics:

Oracle Database 23ai SQL Associate Sample Questions:

1. Which data dictionary view provides information about all the columns in tables accessible to the current user?

A) ALL of the above
B) USER_COLUMNS
C) ALL_TAB_COLUMNS
D) DBA_TAB_COLUMNS

2. Which statement can be used to undo changes made in a transaction?

A) SAVEPOINT
B) MERGE
C) ROLLBACK
D) COMMIT

3. What happens when a unique index is created on a table column?

A) The column cannot contain duplicate values.
B) The column data type is converted to a primary key.
C) The column values are automatically encrypted.
D) The column can only contain NULL values.

4. Which of the following ensures that a relational database enforces data integrity?

A) Hierarchical data organization
B) Indexes on all columns
C) Redundant data storage
D) Constraints such as primary keys, foreign keys, and unique constraints

5. What is the purpose of using external tables in Oracle Database?

A) To create temporary tables for session-specific data
B) To improve the performance of complex queries
C) To store backup copies of database tables
D) To manage data stored in external files using SQL

Solutions: