sql queries code example

Example 1: css in sql query

SELECT  'test1' AS [@class]
    , ( SELECT  'test2' as [@class]
        , (SELECT 'Name' FOR XML PATH(''))
        FOR XML PATH('td'), type)
    ,(SELECT  'test3' as [@class]
        , (SELECT 'Value' FOR XML PATH(''))
        FOR XML PATH('td'), type) 
FOR XML PATH('tr'), type

Example 2: 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;

Example 3: sql queries

sql queries

Example 4: Database Queries

ALTER TABLE table_name ADD column_name datatype;

Example 5: sql syntax

select [all/distinct] , , 
from 
[join ]
[where ]
[group by ]
[having ]
[order by ]


/*
Specifically for SQL -> Oracle

LEGEND: 
[...]   :   optional entries
<...>   :   your specific entry
*/

Example 6: all sql commands with examples

DROP DATABASE db_name;