As a database administrator, you have been tasked to remove all records from a customer table that have a 'Closed' status. Which SQL statement should you use to accomplish this task effectively without deleting the table structure itself?
The correct answer is DELETE FROM Customer WHERE Status = 'Closed';. This SQL command specifies that only those records from the customer table where the 'Status' field is equal to 'Closed' should be deleted. It does not remove the table structure or records that do not meet the specified condition. The TRUNCATE TABLE Customer; command would remove all records from the table, not just those with a 'Closed' status. The DROP TABLE Customer; command would delete the entire table including its structure. The SELECT * FROM Customer WHERE Status = 'Closed'; command is incorrect because it only selects records without deleting them.
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What is the difference between DELETE and TRUNCATE in SQL?
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What does the term 'table structure' mean in SQL?
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Can you explain the importance of conditions in SQL delete statements?