NULL
Naloga | DA | DB | MČ | AG | HKK | LM | MO | SO | MP | TP | PR | TS | LŠ | AT | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | x | X | x | X | x | X | X | X | X | X | X | X | X | ||
2 | x | X | x | X | x | X | X | X | X | X | X | X | X | ||
3 | x | X | x | X | x | X | X | X | X | X | X | X | X | ||
4 | x | X | x | X | x | X | X | X | X | X | X | X | X | ||
5 | x | X | x | X | x | X | X | x | X | X | X | X | X | ||
6 | x | X | x | X | x | X | X | X | X | X | X | X | X | x | |
7 | x | X | x | X | x | X | X | X | X | X | X | X | X | ||
8 | x | X | x | X | x | X | X | X | X | X | X | X | X |
INSERT INTO tabela [(stolpec1, stolpec2, ...)]
VALUES (vrednost1, vrednost2, ...);
INSERT INTO tabela [(stolpec1, stolpec2, ...)]
SELECT ...;
UPDATE tabela SET stolpec1 = vrednost1, stolpec2 = vrednost2, ...
WHERE pogoj;
DELETE FROM tabela
WHERE pogoj;
Naloga | DA | DB | MČ | AG | HKK | LM | MO | SO | MP | TP | PR | TS | LŠ | AT |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
I1 | x | X | x | X | x | X | X | X | X | X | X | X | ||
I2 | x | X | x | X | x | X | X | X | X | X | X | X | ||
U1 | x | X | x | X | x | X | X | X | X | X | X | X | ||
U2 | x | X | x | X | x | X | X | X | X | X | X | X | ||
U3 | x | X | x | X | x | X | X | X | X | X | X | X | ||
D1 | x | X | x | X | x | X | X | X | X | X | X | X | ||
D2 | x | X | x | X | x | X | X | X | X | X | X | X |
CREATE TABLE tabela (
stolpec tip [PRIMARY KEY] [UNIQUE] [NOT NULL] [DEFAULT vrednost] [CHECK (pogoj)] [REFERENCES tab2(st)],
st2 tip ...,
PRIMARY KEY (st1, st2, ...),
UNIQUE (stolpci),
CHECK (pogoj),
FOREIGN KEY (stolpci) REFERENCES tab2(stci)
);
ALTER TABLE tabela ADD COLUMN stolpec tip ...;
DROP TABLE tabela;
CREATE TABLE ucitelji (
id integer PRIMARY KEY,
ime text,
priimek text,
email text
);
CREATE TABLE predmeti (
id integer PRIMARY KEY,
ime text,
ects integer
);
ALTER TABLE ucitelji ADD COLUMN kabinet text;
CREATE TABLE vloge (
id integer PRIMARY KEY,
opis text
);
CREATE TABLE izvajalci (
idpredmeta integer REFERENCES predmeti(id),
iducitelja integer REFERENCES ucitelji(id),
vloga integer REFERENCES vloge(id),
PRIMARY KEY (idpredmeta, iducitelja, vloga)
);
SELECT kabinet, COUNT(*) FROM ucitelji
GROUP BY kabinet
HAVING COUNT(*) = (
SELECT MAX(stevilo) FROM (
SELECT COUNT(*) AS stevilo FROM ucitelji
WHERE kabinet IS NOT NULL
GROUP BY kabinet
)
)