Foreign key sqlite3 python

Sqlite foreign key

CREATE TABLE track(
  trackid     INTEGER, 
  trackname   TEXT, 
  trackartist INTEGER,
  FOREIGN KEY(trackartist) REFERENCES artist(artistid)
);

Source: sqlite.org

Foreign key sqlite3 python

CREATE TABLE supplier_groups (
	group_id integer PRIMARY KEY,
	group_name text NOT NULL
);

CREATE TABLE suppliers (
    supplier_id   INTEGER PRIMARY KEY,
    supplier_name TEXT    NOT NULL,
    group_id      INTEGER NOT NULL,
    FOREIGN KEY (group_id)
       REFERENCES supplier_groups (group_id) 
);
Code language: SQL (Structured Query Language) (sql)

Source: sqlitetutorial.net

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SQLSTATE[HY000]: General error: 3780 Referencing column 'role_id' and referenced column 'id' in foreign key constraint 'user_role_id foreign' are incompatible.
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