Simple For each – Full syntax and base table
Last video in a series with a detailed study of this basic command to access the database. Here we will refer to the clauses that complete the possibilities of the command and will end with the indication of which attributes participate in determining the base table and which do not.
We will mention the use of Data Selectors (Using, or “where att in” clause), and aspects relative to cases where the For each is used to update records (Blocking and When duplicate clauses). Why is it important to learn their logic?
Read the video script here.
Read the video script here.