Answers for "how to add new column when table already created in mysql"

SQL
22

mysql alter table add column

ALTER TABLE vendors ADD COLUMN phone VARCHAR(15) AFTER name;
Posted by: Guest on November-07-2020
14

mysql add column

-- 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)
Posted by: Guest on June-30-2021

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