Mysql first day of year

SELECT DATEADD(yy, DATEDIFF(yy, 0, GETDATE()), 0);			-- SQL Server
SELECT TRUNC(sysdate, 'YEAR') FROM DUAL;					-- Oracle
SELECT MAKEDATE(year(now()), 1);							-- MySQL

Mysql first day of month

-- Replace curdate() with your date column
SELECT curdate(), 
	DATE_SUB( curdate(), INTERVAL DAYOFMONTH(curdate())-1 DAY ) AS '1st of month';

Source: oreilly.com

Mysql first day of year

SELECT 
	* 
FROM `users` 
WHERE YEAR(created_at) = YEAR(now())

Source: nicesnippets.com

Similar codes

0 vote334 views2 answers
Amazon linux postgresql client
SQL
0 vote386 views1 answer
How to check common records in 2 table
SQL
6 votes327 views2 answers
Mysql timestamp to date
SQL
7 votes293 views1 answer
Oracle set sequence value to max(id)
SQL
40 votes400 views4 answers
PostgreSQL add column
SQL
0 vote291 views1 answer
Changer un mot de passe mysql
SQL
0 vote305 views1 answer
Mysql date time string format for marshmellow field schema
SQL
57 votes532 views5 answers
How to create a new user in postgresql
SQL
1 vote310 views1 answer
Snowflake rename column name
SQL
34 votes369 views6 answers
Alter table add foreign key mysql
SQL