What happens if the DELETE command is used without a WHERE clause?AOnly the first row will be deletedBAll rows in the table will be deletedCNo rows to delete
Question
What happens if the DELETE command is used without a WHERE clause?
- A Only the first row will be deleted
- B All rows in the table will be deleted
- C No rows to delete
Solution
Sure, let's break down the question step by step:
-
Understanding the DELETE Command:
- The
DELETE
command in SQL is used to remove rows from a table.
- The
-
The Role of the WHERE Clause:
- The
WHERE
clause specifies which rows should be deleted. It acts as a filter to target specific rows.
- The
-
DELETE Command Without WHERE Clause:
- If the
DELETE
command is used without aWHERE
clause, it means there is no filter applied to the deletion process.
- If the
-
Effect of No WHERE Clause:
- Without a
WHERE
clause, theDELETE
command will not have any condition to limit the rows being deleted.
- Without a
-
Outcome:
- As a result, all rows in the table will be deleted because there is no condition to restrict the deletion to specific rows.
So, the correct answer is:
B. All rows in the table will be deleted
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