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问题:

[单选] 乡镇企业()承担支农的义务。

A . 可以
B . 不必
C . 必须
D . 不能

Application A is designed to execute the following SQL statements within a single Unit of Work (UOW). UPDATE employee SET salary = salary * 1.1 WHERE empno='000010' UPDATE department SET deptname = 'NEW dept' WHERE deptno='A00'Application B is designed to execute the following SQL statements within a single Unit of Work (UOW). UPDATE department SET deptname = 'OLD DEPT' WHERE deptno='A00' UPDATE employee SET salary = salary * 0.5 WHERE empno='000010' Application A and application B execute their first SQL statement at the same time. When application A and application B try to execute their second SQL statement, a deadlock occurs. What will happen?()   The database manager will rollback the transaction in both applications.。 The database manager will rollback the transaction in one of the two applications.。 Application B will successfully update the EMPLOYEE and DEPARTMENT tables; Application A will be placed in a lock wait state.。 Application A will successfully update the EMPLOYEE and DEPARTMENT tables; Application B will terminate when the lock timeout value is reached.。 当计算工期不能满足合同要求时,应首先压缩()的持续时间。 持续时间最长的工作。 总时差最长的工作。 关键工作。 非关键工作。 TS3310物理带库最多支持396个磁带槽位,最多18个驱动器,这个说法是否正确? 比较1988年《资本协议》的主要内容和2004年《新资本协议》的主要内容及我国实施《新资本协议》的安排? An administrator uses C-SPOC to change the user password for all nodes that belong to a  Resource group. The administrator must perform this operation on a node that is:()    included in the resource group.。  currently managing the resource group.。  not part of an application resource group.。  included in a cluster_admin resource group.。 乡镇企业()承担支农的义务。
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