单选题Which of the following best describes the lock protection provided by DB2 for the current row of a cursor?（）A The cursor is only protected from updates and deletes by concurrent applications.B The row is only protected from positioned updates and delet

题目

单选题

Which of the following best describes the lock protection provided by DB2 for the current row of a cursor?（）

The cursor is only protected from updates and deletes by concurrent applications.

The row is only protected from positioned updates and deletes that reference another cursor of the same application.

The cursor is protected from positioned updates and deletes that reference another cursor of a different application.

The row is protected from updates and deletes by the current application and from positioned updates and deletes that reference another cursor of the same application.

参考答案和解析

正确答案： B

解析：暂无解析

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单选题Which of the following best describes the lock protection provided by DB2 for the current row of a cursor?（）A The cursor is only protected from updates and deletes by concurrent applications.B The row is only protected from positioned updates and delet

题目

参考答案和解析

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