Question
Question: Which of the following statements about SQL joins and their types is correct? A) An INNER JOIN returns all rows from both tables involved
Question: Which of the following statements about SQL joins and their types is correct?
A) An INNER JOIN returns all rows from both tables involved in the join, regardless of whether there is a match between them.
B) A LEFT JOIN returns all rows from the right table and the matched rows from the left table; if there is no match, NULL values are returned for the left table.
C) A CROSS JOIN produces a Cartesian product of the two tables, resulting in all possible combinations of rows from both tables.
D) A FULL OUTER JOIN returns only the rows that have matches in both tables, excluding unmatched rows.
Step by Step Solution
There are 3 Steps involved in it
Step: 1
The detailed answer for the above question is provided below The correct statement is C A CROSS JOIN ...Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started