Notes
Notes - notes.io |
Name: Nishan bhattarai
ID:
Week:7
DATE:13-DEC-2018
*/
--
DESC sites;
DESC instructors;
DESC address_type;
--UNION
SELECT s.address.city
FROM sites s
WHERE s.address.country = 'USA'
UNION
SELECT i.address.city
FROM instructors i
WHERE i.address.country = 'USA';
--INTERSECT
SELECT s.address.city
FROM sites s
WHERE s.address.country = 'USA'
INTERSECT
SELECT i.address.city
FROM instructors i
WHERE i.address.country = 'USA';
--MINUS
SELECT a.street,a.city, a.country
FROM addresses a
MINUS
SELECT i.address.street,i.address.city, i.address.country
FROM instructors i;
--query to view the addresses
SELECT a.city, a.country,a.street
FROM addresses a
MINUS
(SELECT s.address.city,s.address.country, s.address.street
FROM students s
UNION
SELECT i.address.city, i.address.country, i.address.street
FROM instructors i);
--
DESC sites;
DESC instructors;
DESC address_type;
--UNION
SELECT s.address.city
FROM sites s
WHERE s.address.country = 'USA'
UNION
SELECT i.address.city
FROM instructors i
WHERE i.address.country = 'USA';
--INTERSECT
SELECT s.address.city
FROM sites s
WHERE s.address.country = 'USA'
INTERSECT
SELECT i.address.city
FROM instructors i
WHERE i.address.country = 'USA';
--MINUS
SELECT a.street,a.city, a.country
FROM addresses a
MINUS
SELECT i.address.street,i.address.city, i.address.country
FROM instructors i;
--query to view the addresses
SELECT a.city, a.country,a.street
FROM addresses a
MINUS
(SELECT s.address.city,s.address.country, s.address.street
FROM students s
UNION
SELECT i.address.city, i.address.country, i.address.street
FROM instructors i);
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