Statement:
alter table tableName rename column oldCName to newCName; -- 修改字段名
Example:
For example, we create a table now:
CREATE TABLE Student( id varchar2(32) primary key, name varchar2(8) not null, age number );
Now, we want to modify How to implement the field names of this table?
The statement is as follows:
alter table Student rename name to StuName;
What if you want to modify the data type of the field?
alter table Student modify (id varchar2(64));
Recommended tutorial: oracle tutorial
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