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

14 votes349 views3 answers
Inner join sql oracle
SQL
1 vote372 views1 answer
Floor function in sql oracle
SQL
0 vote315 views1 answer
Sql server whoami
SQL
0 vote323 views2 answers
MySQL said: Authentication plugin 'caching_sha2_password' cannot be loaded: dlopen(/usr/local/lib/plugin/caching_sha2_password.so, 2): image not found
SQL
0 vote356 views1 answer
How to get one year old query from plan cache
SQL
1 vote331 views1 answer
Postgresql delete cascade
SQL
0 vote332 views1 answer
Sql server select value large text
SQL
0 vote387 views1 answer
Check command
SQL
1 vote356 views1 answer
Mysql previous year
SQL
13 votes356 views3 answers
Insert mysql ifile nto database
SQL