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:
1SELECT title FROM songs
You can also choose two or more columns:
1SELECT 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
.
Soluzione
Grazie per i tuoi commenti!
single
Chieda ad AI
Chieda ad AI
Chieda pure quello che desidera o provi una delle domande suggerite per iniziare la nostra conversazione
Riassuma questo capitolo
Explain code
Explain why doesn't solve task
Awesome!
Completion rate improved to 4.17
SQL Select Column
Scorri per mostrare il menu
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:
1SELECT title FROM songs
You can also choose two or more columns:
1SELECT 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
.
Soluzione
Grazie per i tuoi commenti!
Awesome!
Completion rate improved to 4.17single