ALTER TABLE add multiple column關於「ALTER TABLE add multiple column」標籤，搜尋引擎有相關的訊息討論：
SQL Server: ALTER TABLE Statement - TechOnTheNetwww.techonthenet.com › sql_server › tables › alter_tableHow to Add Multiple Columns in SQL? - Scaler Topicswww.scaler.com › topics › add-multiple-columns-sqlSQL ADD COLUMN - Add One or More Columns To a Tablewww.sqltutorial.org ›