/SQL/Add column to all tables after first column mysql

Add column to all tables after first column mysql

Mysql alter table add column first

-- ALTER TABLE tbl_name ADD COLUMN column_name column_definition 
--		[FIRST|AFTER existing_column];
ALTER TABLE office ADD COLUMN phone VARCHAR(200) DEFAULT '000' AFTER name;
ALTER TABLE office ADD COLUMN flag INT(1) FIRST;
ALTER TABLE office ADD COLUMN last_col INT(2);	-- Last column is default position
-- ↓ Test it (Fiddle)

Source: sqlfiddle.com

Add column to all tables after first column mysql

SELECT CONCAT('ALTER TABLE ', table_schema,'.', TABLE_NAME,' ADD COLUMN `hash` VARCHAR(50) NULL DEFAULT UUID() AFTER ', first_column, ';') AS ddl

FROM (

	SELECT
		(
			SELECT `COLUMN_NAME`
			FROM `INFORMATION_SCHEMA`.`COLUMNS`
			WHERE `TABLE_SCHEMA`=t.TABLE_SCHEMA AND `TABLE_NAME`=t.TABLE_NAME
			LIMIT 1
		) AS 'first_column',
		t.*
	FROM
	information_schema.tables t
	WHERE table_schema = 'your_table_name' AND table_type = 'base table'
	
) AS x;

Similar codes

0 vote254 views5 answers
How to make trigger in phpmyadmin
SQL
2 votes216 views1 answer
Select * from table where name like
SQL
4 votes215 views1 answer
Oracle error compilation line
SQL
0 vote225 views1 answer
Commit transaction sql
SQL
6 votes213 views2 answers
Return columns from table sql
SQL
0 vote221 views2 answers
How to find sql server agent jobs related to a database
SQL
0 vote225 views1 answer
Sql server order by nulls last
SQL
0 vote229 views2 answers
How to list all values of a column that start with a letter in sql
SQL
2 votes228 views2 answers
Mysql on duplicate key ignore
SQL
3 votes219 views1 answer
Sql several or
SQL