SELECT *FROM ANIMAL INNER JOIN COLORON ANIMAL.B = COLOR.E;How many rows will be in the resulting table of the above SQL query?
Question
How many rows will be in the resulting table of the above SQL query?
SELECT *
FROM ANIMAL
INNER JOIN COLOR
ON ANIMAL.B = COLOR.E;
Solution
The number of rows in the resulting table from the given SQL query depends on the data in the 'ANIMAL' and 'COLOR' tables, specifically how many matching pairs there are between 'ANIMAL.B' and 'COLOR.E'.
The INNER JOIN keyword in SQL is used to combine rows from two or more tables based on a related column between them. In this case, it's combining rows from the 'ANIMAL' and 'COLOR' tables where 'ANIMAL.B' equals 'COLOR.E'.
Here's a step-by-step breakdown of the query:
-
SELECT *: This is used to select all columns from the resulting joined table.
-
FROM ANIMAL: This specifies that we're retrieving data from the 'ANIMAL' table.
-
INNER JOIN COLOR: This combines rows from 'ANIMAL' and 'COLOR' tables.
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ON ANIMAL.B = COLOR.E: This is the condition that the INNER JOIN is based on. Only the rows in 'ANIMAL' and 'COLOR' where 'B' in 'ANIMAL' equals 'E' in 'COLOR' will be included in the result.
Without knowing the specific data in the 'ANIMAL' and 'COLOR' tables, we can't determine the exact number of rows that will be in the resulting table. But it will include one row for each matching pair of 'ANIMAL.B' and 'COLOR.E'.
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