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bookSQL 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:


              
1

            
SELECT title FROM songs
copy

You can also choose two or more columns:


              
1

            
SELECT title, singer FROM songs
copy

Now you selected all records from the table, but only title and singer columns.

Oppgave

Swipe to start coding

Select info about album and year for all records from songs.

Løsning

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Seksjon 1. Kapittel 3
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bookSQL Select Column

Sveip for å vise menyen

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:


              
1

            
SELECT title FROM songs
copy

You can also choose two or more columns:


              
1

            
SELECT title, singer FROM songs
copy

Now you selected all records from the table, but only title and singer columns.

Oppgave

Swipe to start coding

Select info about album and year for all records from songs.

Løsning

Switch to desktopBytt til skrivebordet for virkelighetspraksisFortsett der du er med et av alternativene nedenfor
Alt var klart?

Hvordan kan vi forbedre det?

Takk for tilbakemeldingene dine!

close

Awesome!

Completion rate improved to 4.17
Seksjon 1. Kapittel 3
single

single

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