How to make a case-insensitive unique column in SQLite

Question

I haven\'t been able to find the answer to this. I\'m trying to create a table with a unique email address column. And when I do

CREATE TABLE users (
  email         


        

Answer 1

COLLATE NOCASE is your friend:

CREATE TABLE users (
  email TEXT PRIMARY KEY,
  password TEXT NOT NULL CHECK(password<>''),
  UNIQUE (email COLLATE NOCASE)
)