Oracle 1Z1-171 valid study dumps : Oracle Database 23ai SQL Associate

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Oracle 1Z1-171 Exam Syllabus Topics:

Oracle Database 23ai SQL Associate Sample Questions:

1. What is the default order of evaluation when multiple SET operators are used in a query?

A) UNION, INTERSECT, MINUS
B) INTERSECT, UNION, MINUS
C) UNION, MINUS, INTERSECT
D) INTERSECT, MINUS, UNION

2. What does a Cartesian product in SQL result from?

A) An INNER JOIN without specifying join conditions
B) A NATURAL JOIN without specifying join conditions
C) An OUTER JOIN with NULL values

3. Which of the following statements creates an ascending sequence starting at 100 and incrementing by 10?

A) CREATE SEQUENCE seq_1 START WITH 10 INCREMENT BY -100;
B) CREATE SEQUENCE seq_1 START WITH 100 INCREMENT BY -10;
C) CREATE SEQUENCE seq_1 START WITH 100 INCREMENT BY 10;
D) CREATE SEQUENCE seq_1 START WITH 10 INCREMENT BY 100;

4. 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.

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

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

Solutions: