SQL DELETE

Sometimes we may wish to get rid of records from a table. To do so, we can use the DELETE FROM command. The syntax for this is

DELETE FROM "table_name"
WHERE {condition}

It is easiest to use an example. Say we currently have a table as below:

Table Store_Information

store_name	Sales	Date
Los Angeles	$1500	Jan-05-1999
San Diego	$250	Jan-07-1999
Los Angeles	$300	Jan-08-1999
Boston	$700	Jan-08-1999

and we decide not to keep any information on Los Angeles in this table. To accomplish this, we type the following SQL:

DELETE FROM Store_Information
WHERE store_name = "Los Angeles"

Now the content of table would look like,

Table Store_Information

store_name	Sales	Date
San Diego	$250	Jan-07-1999
Boston	$700	Jan-08-1999

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