SQL

mysql alter table add column

ALTER TABLE vendors ADD COLUMN phone VARCHAR(15) AFTER name;

add column in mysq

ALTER TABLE Table_name
ADD Email varchar(255);

add new column to the table mysql

ALTER TABLE `TABLE_NAME` 
	ADD `COLUMN_NAME` VARCHAR(50) NULL
    AFTER `COLUMN_NAME_AFTER`;

add column in mysq

ALTER TABLE Table_name ADD name_column INT(255);

mysql add column

ALTER TABLE table_name
ADD [COLUMN] column_name column_definition [FIRST|AFTER existing_column];

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)

mysql add column to table

ALTER TABLE contacts
  ADD last_name varchar(40) NOT NULL
    AFTER contact_id;

mysql add columns

ALTER TABLE table
ADD [COLUMN] column_name_1 column_1_definition [FIRST|AFTER existing_column],
ADD [COLUMN] column_name_2 column_2_definition [FIRST|AFTER existing_column],
...
;

mysql alter table add column

ALTER TABLE table ADD [COLUMN] column_name column_definition [FIRST|AFTER existing_column];

mysql alter table add column

ALTER TABLE table
  ADD [COLUMN] column_name column_definition
  [FIRST|AFTER existing_column];

add column mysql

ALTER TABLE table
ADD [COLUMN] column_name column_definition [FIRST|AFTER existing_column];
Code language: SQL (Structured Query Language) (sql)

mysql add column collation add

ALTER TABLE <table_name> CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;