单选题
User A executes the following command to update the TRANS table） SQL> UPDATE B.trans SET tr_amt=tr_amt+500 WHERE c_code=’C005’； Before user A issues a COMMIT or ROLLBACK command， user B executes the following command on the TRANS table： SQl> ALTER TABLE trans MODIFY （tr_type VARCHAR2 （3））； What would happen in this scenario？（）
发布日期：2022-05-24
A
The transaction for user A is rolled back.
B
The ALTER TABLE command modifies the column successfully.
C
The ALTER TABLE command fails due to the resource being busy.
D
The ALTER TABLE command waits until user A ends the transaction.
标签： "暂无标签"
题王网让考试变得更简单
扫码关注题王，更多免费功能准备上线！
此试题出现在