Final answer:
The DELETE statement in SQL is used to remove tuples from a table, typically with a WHERE clause to specify which records should be deleted.
Step-by-step explanation:
The SQL command that removes a tuple from a relationship (or table) is the DELETE statement. This command is used to delete one or more records from a table in the database. To specify which rows should be removed, a condition is provided using the WHERE clause. Without a WHERE clause, all records in the table would be deleted.
Here's an example of using the DELETE statement:
DELETE FROM table_name WHERE condition;
If you want to delete a specific tuple where the 'id' is equal to 3, the SQL command would look like this:
DELETE FROM table_name WHERE id = 3;
The SQL command that removes a tuple from a relationship is called DELETE.
For example, to remove a specific tuple from the 'students' table, you can use the following command:
DELETE FROM students WHERE id = 123;
This command will delete the tuple from the 'students' table where the 'id' column matches the specified value, in this case, 123