sql select statement
Projection = Select the columns in
a table that are returned by a query
Selection = Selects the rows in a
table that are returned by a query
Join = Brings together data that is
stored in different tables by
specifying the link between themSQL SELECT
Mit SELECT können Daten aus der Datenbank abgefragt werden. Es ist die am
meissten verbreitete Art.
SELECT name
FROM country
WHERE region = (
SELECT region
FROM country
WHERE name = 'Brasilien'
)Copyright © 2021 Codeinu
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