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- ##::CREATE INSERT::
- CREATE TABLE information(
- id INT,
- name VARCHAR(10),
- dept VARCHAR(10),
- phone VARCHAR(21),
- PRIMARY KEY(id)
- );
- :::INSERT:
- INSERT INTO information()
- VALUES('1','rakib','cse','01710'),
- ('2','bepul','ice','015'),
- ('3','laila','history','018');
- ##NOT::
- SELECT DISTINCT name ,id,dept
- FROM information
- WHERE NOT dept = 'cse';
- ##Min,MAX,avg,SUM,COUNT::
- SELECT name,MIN(price) AS smallPrice
- FROM product2
- SELECT name,MAX(price) AS bigPrice
- FROM product2
- SELECT name,SUM(price) AS sumPrice
- FROM product2
- SELECT name,AVG(price) AS AVGPrice
- FROM product2
- SELECT name,COUNT(id) AS Noid
- FROM product2
- ##Order::
- SELECT name ,dept
- FROM information
- ORDER BY name;
- SELECT name ,dept
- FROM information
- ORDER BY name DESC;
- ##Like::
- WHERE CustomerName LIKE 'a%' Finds any VALUES that START WITH "a"
- WHERE CustomerName LIKE '%a' Finds any VALUES that END WITH "a"
- WHERE CustomerName LIKE '%or%' Finds any VALUES that have "or" IN any POSITION
- WHERE CustomerName LIKE '_r%' Finds any VALUES that have "r" IN the SECOND POSITION
- WHERE CustomerName LIKE 'a__%' Finds any VALUES that START WITH "a" AND are at least 3 characters IN LENGTH
- WHERE ContactName LIKE 'a%o' Finds any VALUES that START WITH "a" AND ends WITH "o"
- ##In::
- SELECT name ,dept
- FROM information
- WHERE dept IN('cse','eng','ice');
- ##Between::
- SELECT name,price AS fixedprice
- FROM product2
- WHERE price BETWEEN 50 AND 100;
- ##Joins::
- SELECT information.name,dept,product2.name,price
- FROM information,product2;
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