mysql add a column to an existing table code example

Example 1: add column in mysq

ALTER TABLE Table_name ADD name_column INT(255);

Example 2: mysql add column

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

Example 3: mysql alter table add column

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

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Sql Example

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