Mysql add column default value

Mysql add column with default value

-- 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

Mysql add column default value

ALTER TABLE table1 ADD COLUMN foo INT DEFAULT 0;

Mysql query add column with default string value

ALTER TABLE `table_name` ADD COLUMN `new_column_name` VARCHAR(255)  DEFAULT "DEFUALT_VALUE" AFTER `COLUMN_NAME`;

Similar codes

5 votes215 views4 answers
Describe table postgres
SQL
0 vote236 views2 answers
Jsonb
SQL
0 vote235 views1 answer
Mysql enter ubuntu
SQL
23 votes248 views4 answers
How to show all users in mysql
SQL
0 vote235 views2 answers
Psql commande \gset
SQL
0 vote220 views1 answer
Sub blocks in sql
SQL
0 vote214 views1 answer
Oracle create package body
SQL
1 vote231 views1 answer
Alter table column size oracle
SQL
11 votes216 views1 answer
How to get ddl for materialized view
SQL
0 vote191 views1 answer
Grant owner postgresql
SQL