Flash cards
Review the key moves
What is the main idea behind SQL DELETE Keyword?
Lesson checks
Practice each idea before moving on
Short Mimo-style checks built from this lesson's code, terms, and sequence.
Which statement best captures the main point of this lesson?
Complete the missing token from the example code.
DELETE ___ CustomersPut the learning moves in the order that makes the concept easiest to apply.
Delete
The DELETE command is used to delete existing records in a table.
The following SQL statement deletes the customer "Alfreds Futterkiste" from the "Customers" table:
Example
DELETE FROM Customers
WHERE CustomerName='Alfreds Futterkiste';Note
Be careful when deleting records in a table! Notice the WHERE clause in the DELETE statement. The WHERE clause specifies which record(s) should be deleted. If you omit the WHERE clause, all records in the table will be deleted!
It is possible to delete all rows in a table without deleting the table. This means that the table structure, attributes, and indexes will be intact:
The following SQL statement deletes all rows in the "Customers" table, without deleting the table. This means that the table structure, attributes, and indexes will be intact:
Example
DELETE FROM Customers;