If you only want to put data in certain fields, list them in the Insert and then insert values for just those fields.

Be sure to use the where clause to limit the impact of the update to the record or records you want to change.

Changing/updating multiple fields.

Deleting based on the criteria in the where clause.

We have looked at maintaining the data with insert, update and delete We have looked at maintaining the data with insert, update and delete. Now we are looking at maintaining the structure by adding fields or modifying the size. There are additional things you can do with alter. Check the web.

When I am testing functions, I use dual sometimes because it allows me to put in a literal and see a result on just one line as opposed to a result for every record.

Be sure to look at substr and instr.

Looking for the location of the first instance of e in the city name.

The last problem in the homework asks you to convert a name.

Remainder

Processing nested functions.