Answers for "mysql add column from another table query"

SQL
14

mysql add column after another

-- 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
0

mysql add column to table

ALTER TABLE contacts
  ADD last_name varchar(40) NOT NULL
    AFTER contact_id;
Posted by: Guest on August-12-2021

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