Answer:
c. This would reduce the number of tuples to involve in the join resulting in a more efficient query.
Explanation:
SQL or structured query language is a database querying language used to communicate or interact with databases. A database query could be as simple as returning all the columns from a database table to complex like joining several query results which in turn forms an algebra expression.
Every query statement or expression is executed with time, execution time needs to be minimized for efficiency, so, a well-arranged and reduced joining in the query improves the efficiency of the query.
Answer:
USE AP CREATE ROLE PaymentEntry
GRANT UPDATE, DELETE ON Invoices TO PaymentEntry
GRANT UPDATE, INSERT ON InvoiceLineItems TO PaymentEntry
EXEC sp_AddRoleMember db_datareader, PaymentEntry
Conocer sobre su escudo y lema forma parte de la orientación básica inicial que nos permite comprender y entender cuales son los valores de nuestra casa de estudio y poder conocer a profundidad todo el esfuerzo e historia que la rodea, lo cual nos sirve como motivación e inspiración.
