Kursinhalt
SQL Tutorial for Beginners
SQL Tutorial for Beginners
SQL Select Column
You can retrieve not all the data, but only some columns. For this, you should specify column name, for example, singer
or title
.
This query returns all the data containing in the title
column:
SELECT title FROM songs
You can also choose two or more columns:
SELECT title, singer FROM songs
Now you selected all records from the table, but only title
and singer
columns.
Swipe to start coding
Select info about album
and year
for all records from songs
.
Lösung
Danke für Ihr Feedback!
SQL Select Column
You can retrieve not all the data, but only some columns. For this, you should specify column name, for example, singer
or title
.
This query returns all the data containing in the title
column:
SELECT title FROM songs
You can also choose two or more columns:
SELECT title, singer FROM songs
Now you selected all records from the table, but only title
and singer
columns.
Swipe to start coding
Select info about album
and year
for all records from songs
.
Lösung
Danke für Ihr Feedback!