This sql code works in the two cases but AFAIK ;-) it shouldn't in the second
Am I right?
CREATE TABLE staff_01(
id INTEGER PRIMARY
KEY AUTOINCREMENT,
id_staff_editor INTEGER NOT NULL,
code CHAR(2) NOT NULL,
FOREIGN KEY(id_staff_editor) REFERENCES
staff_01(id)
);
INSERT INTO staff_01(id_staff_editor,code) VALUES(1,'CB');
PRAGMA foreign_keys = ON;
CREATE TABLE staff_02(
id INTEGER PRIMARY
KEY AUTOINCREMENT,
id_staff_editor INTEGER NOT NULL,
code CHAR(2) NOT NULL,
UNIQUE(code)
FOREIGN KEY(id_staff_editor) REFERENCES
staff_02(id)
);
INSERT INTO staff_02(id_staff_editor,code) VALUES(1,'CB');
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