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ALTER TABLE table_name
ADD column_name data_type column_constraint;
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ALTER TABLE table_name
ADD COLUMN column_name1 data_type constraint,
ADD COLUMN column_name2 data_type constraint,
ADD COLUMN column_namen data_type constraint;
Code language: SQL (Structured Query Language) (sql)
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ALTER TABLE table_name
ADD COLUMN new_column_name data_type constraint;
Code language: SQL (Structured Query Language) (sql)