Kursusindhold
SQL Tutorial for Beginners
SQL Tutorial for Beginners
1. Database & Introduction to Syntax
2. SQL Aggregate Functions
Challenge Order By
Remember how to order the records by multiple columns. Let's say, you want to order all records by singer's name first and then by song's title:
SELECT * FROM songs ORDER BY singer, title
Opgave
Swipe to start coding
Select records with AC/DC songs, and order it by title from A to Z, and then by album from Z to A.
Løsning
Skift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående mulighederVar alt klart?
Tak for dine kommentarer!
Sektion 3. Kapitel 6
Challenge Order By
Remember how to order the records by multiple columns. Let's say, you want to order all records by singer's name first and then by song's title:
SELECT * FROM songs ORDER BY singer, title
Opgave
Swipe to start coding
Select records with AC/DC songs, and order it by title from A to Z, and then by album from Z to A.
Løsning
Skift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående mulighederVar alt klart?
Tak for dine kommentarer!
Sektion 3. Kapitel 6
Skift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående muligheder