sql add - SQL 代码示例 - 芒果文档

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📜 sql add - SQL 代码示例

📅 最后修改于: 2022-03-11 15:05:16.229000 🧑 作者: Mango

代码示例1

Adds a new column to an existing table.
Example: Adds a new column named ‘email_address’ to a table named
‘users’.
ALTER TABLE users
ADD email_address varchar(255);