/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

1 vote295 views1 answer
Postgres convert text to number
SQL
4 votes127 views2 answers
Postgresql reset sequence
SQL
1 vote155 views1 answer
Sql random sampling per group
SQL
0 vote141 views1 answer
Mysql max number not returning correct value
SQL
1 vote130 views1 answer
Sql only five first row
SQL
0 vote166 views1 answer
Implode in sql query
SQL
0 vote176 views1 answer
Create table as select sql server error
SQL
0 vote167 views1 answer
Flask sqlalchemy session delete
SQL
0 vote101 views1 answer
Count char in java
SQL
1 vote147 views1 answer
Postgresql how to show table names
SQL