Deleting Records

The delete statement is used to delete records or rows from the table.

delete from "tablename"

where "columnname"
OPERATOR "value"
[and|or "column"
OPERATOR "value"];

[ ] = optional

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Examples:

delete from employee;

Note: if you leave off the where clause, all records will be deleted!

delete from employee 
  where lastname = 'May';
delete from employee 
  where firstname = 'Mike' or firstname = 'Eric';

To delete an entire record/row from a table, enter delete from followed by the table name, followed by the where clause which contains the conditions to delete. If you leave off the where clause, all records will be deleted.

Delete statement exercises

(Use the select statement to verify your deletes):

  1. Jonie Weber-Williams just quit, remove her record from the table.

    Show Answer

  2. It’s time for budget cuts. Remove all employees who are making over 70000 dollars.

    Show Answer

Create at least two of your own delete statements, and then issue a command to delete all records from the table.

Enter SQL Statement here:

Results will be displayed here
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