SQL

CREATE TABLE document_comments  (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  document_id INTEGER NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
  user_id INTEGER NOT NULL REFERENCES users(id),
  comment TEXT NOT NULL,
  created_at TEXT NOT NULL DEFAULT (datetime('now','localtime'))
)

+ Add column

Columns

Column Data type Allow null Primary key Actions
id INTEGER ✓ ✓ Rename | Drop
document_id INTEGER Rename | Drop
user_id INTEGER Rename | Drop
comment TEXT Rename | Drop
created_at TEXT Rename | Drop

Foreign Keys

Column Destination
user_id users.id
document_id documents.id

+ Add index

Indexes

Name Columns Unique SQL Drop?