All about the Db Ionian scale

What notes are in the Db Ionian scale?

There are 7 notes in the Db Ionian scale.

I	II	III	IV	V	VI	VII
Db	Eb	F	Gb	Ab	Bb	C

What are the alterations in the Db Ionian scale?

The Db Ionian scale contains the following alterations:

5 Flat

What chords use the note Db as a base?

There are 19 chords using Db as a base.