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

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Oracle Database 23ai SQL Associate Sample Questions:

1. What is a SELF JOIN in SQL?

A) A join used for Cartesian products
B) A join of a table with itself
C) A join that does not require a WHERE clause
D) A join between tables with identical structures

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

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

3. What is required for the queries combined by a SET operator to work correctly?

A) The result sets must have the same number of columns and compatible data types.
B) Both queries must include the WHERE clause.
C) Both queries must use the GROUP BY clause.
D) The tables must be joined using a primary key.

4. What happens if a privilege is revoked from a user who has granted the same privilege to others?

A) The privilege cannot be revoked in this scenario.
B) The privilege is revoked from all other users.
C) The privilege is transferred to another user.
D) The privilege is retained by the other users.

5. Which SQLPlus command displays defined substitution variable values?

A) LIST
B) VERIFY
C) SHOW
D) DEFINE

Solutions: