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-- check deferrable in table constrain segment
CREATE TABLE messages(
msg_id TEXT,
parent_id TEXT,
FOREIGN KEY(parent_id) REFERENCES users(id) DEFERRABLE
);
CREATE TABLE messages(
msg_id TEXT,
parent_id TEXT,
FOREIGN KEY(parent_id) REFERENCES users(id) DEFERRABLE INITIALLY DEFERRED
);
CREATE TABLE messages(
msg_id TEXT,
parent_id TEXT,
FOREIGN KEY(parent_id) REFERENCES users(id) DEFERRABLE INITIALLY IMMEDIATE
);
CREATE TABLE messages(
msg_id TEXT,
parent_id TEXT,
FOREIGN KEY(parent_id) REFERENCES users(id) NOT DEFERRABLE
);
CREATE TABLE messages(
msg_id TEXT,
parent_id TEXT,
FOREIGN KEY(parent_id) REFERENCES users(id) NOT DEFERRABLE INITIALLY DEFERRED
);
CREATE TABLE messages(
msg_id TEXT,
parent_id TEXT,
FOREIGN KEY(parent_id) REFERENCES users(id) NOT DEFERRABLE INITIALLY IMMEDIATE
);
-- check deferrable in column constrain segment
CREATE TABLE track(
trackid INTEGER,
trackname TEXT,
trackartist INTEGER REFERENCES artist(artistid) DEFERRABLE
);
CREATE TABLE track(
trackid INTEGER,
trackname TEXT,
trackartist INTEGER REFERENCES artist(artistid) DEFERRABLE INITIALLY DEFERRED
);
CREATE TABLE track(
trackid INTEGER,
trackname TEXT,
trackartist INTEGER REFERENCES artist(artistid) DEFERRABLE INITIALLY IMMEDIATE
);
CREATE TABLE track(
trackid INTEGER,
trackname TEXT,
trackartist INTEGER REFERENCES artist(artistid) NOT DEFERRABLE
);
CREATE TABLE track(
trackid INTEGER,
trackname TEXT,
trackartist INTEGER REFERENCES artist(artistid) NOT DEFERRABLE INITIALLY DEFERRED
);
CREATE TABLE track(
trackid INTEGER,
trackname TEXT,
trackartist INTEGER REFERENCES artist(artistid) NOT DEFERRABLE INITIALLY IMMEDIATE
);
|
