Sql not

This article is tagged with: Sql not and mysql

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';

sql not

Returns true if a record DOESN’T meet the condition.
Example: Returns true if the user’s first_name doesn’t end with ‘son’.
SELECT * FROM users
WHERE first_name NOT LIKE '%son';

sql not in

SQL NOT IN operator is used to filter the result if the values that are mentioned as part of the IN operator is not satisfied. Let’s discuss in detail about SQL NOT IN operator.
Syntax:
SELECT Column(s) FROM table_name WHERE Column NOT IN (value1, value2... valueN);

sql and

/* AND is a operator that allows you to combine two conditions
Both conditions must be true for the row to b e included in the result set */
SELECT column_name(s)
FROM table_name
WHERE column_1 = value_1
AND column_2 = value_2;

sql where a or b

-- example
SELECT Id, ProductName, UnitPrice, Package
FROM Product
WHERE ProductName LIKE 'Cha_' OR ProductName LIKE 'Chan_'

sql where is not

SELECT column1, column2, ...
FROM table_name
WHERE NOT condition;

This article is tagged with: Sql not and mysql