add column in mysq
ALTER TABLE Table_name ADD name_column INT(255);
add column in mysq
ALTER TABLE Table_name ADD name_column INT(255);
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)
mysql alter table add column
ALTER TABLE table
ADD [COLUMN] column_name column_definition
[FIRST|AFTER existing_column];
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