Answer:
View Base tables: Virtual table based on a SELECT query
CREATE VIEW statement: Data definition command that stores the query specification in the data dictionary
DROP VIEW statement: Data definition command that removes the query specification in the data dictionary
Explanation:
Views are virtual tables, which can be created by select queries using the real database tables.
Creating and dropping views can be done by the CREATE VIEW and DROP VIEW statements.
<u>CREATE VIEW syntax:</u>
CREATE VIEW view_name AS
SELECT column1, column2, ...
FROM table_name
WHERE condition;
<u>DROP VIEW syntax:</u>
DROP VIEW view_name;
Answer:
Ergonomia (sau factorii umani) este disciplina științifică preocupată de înțelegerea interacțiunilor dintre om și alte elemente ale unui sistem și profesia care aplică teorie, principii, date și metode pentru a proiecta pentru a optimiza bunăstarea umană și în general performanta sistemului."
Explanation:
In the context of in-house software development options, a firm that enhances a commercial package by adding custom features and configuring it for a particular industry is called a(n) value-added reseller (VAR).
<h3>What is VAR?</h3>
A Value-Added Reseller (VAR) is a company that depends on the production of other firms. They improve the commission of a product or add a unique feature on it and sell that part as a whole apart good. The disadvantage of this practice relies on not maintaining control over the manufacturing prices since these things do not understand what precisely will be delivered next.
To learn more about VAR, refer to:
brainly.com/question/22679694
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Answer:
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