Answers for "and or sql"

SQL
9

SQL

CREATE TABLE friends (
   id INTEGER,
   name TEXT,
   birthday DATE
);

INSERT INTO friends (id, name, birthday) 
VALUES (1, 'Jane Doe', '1990-05-30');


INSERT INTO friends(id , name , birthday)
VALUES(2 , 'APOORV' , '2000-2-2');



UPDATE friends
SET name = 'Jane Srivastava'
WHERE id = 1;

ALTER TABLE friends 
ADD COLUMN email TEXT; 


UPDATE friends 
SET email =  '203029@klsafjls'
where id  = 1; 

UPDATE friends 
SET email =  '203029@klsafjls'
where id  = 2;

DELETE FROM friends 
WHERE id = 1;


SELECT * 
FROM friends;
Posted by: Guest on May-25-2020
2

sql or

Used alongside WHERE to include data when either condition is true.
Example: Returns users that live in either Sheffield or Manchester.
SELECT * FROM users
WHERE city = 'Sheffield' OR 'Manchester';
Posted by: Guest on January-07-2021
1

sql and

Used to join separate conditions within a WHERE clause.
Example: Returns events located in London, United Kingdom
SELECT * FROM events
WHERE host_country='United Kingdom' AND host_
city='London';
Posted by: Guest on January-07-2021
0

or operator in sql

SELECT column1, column2, ...

FROM table_name

WHERE condition1 OR condition2 OR condition3 ...;
Posted by: Guest on September-23-2021

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