单项选择题
A.An application process acquires at least a share lock on the current row of every cursor.
B.Any row that is read during a unit of work cannot be changed by other application processes until the unit of work is complete.
C.Any row changed by another application process can be read, even if the change has not been committed by that application process.
D.An application process that issues the same query more than once in a unit of work will not see additional rows caused by other application processes appending new information to the database.
单项选择题 Which of the following best describes the lock protection provided by DB2 for the current row of a cursor?（）
单项选择题 Which of the following resources can be referenced in the LOCK statement?（）
单项选择题 Which of the following tools for DB2 V9 allows a user to create and debug a SQL stored procedure?（）