A Windows Azure application stores data in a SQL Azure database. The application will start an operation that includes three insert statements. You need to recommend an approach for rolling back the entire operation if the connection to SQL Azure is lost. What should you recommend?()
A. Ensure that all statements execute in the same database transaction.
B. Create a stored procedure in the database that wraps the insert statements in a TRY CATCH block.
Create a stored procedure in the database that wraps the insertstatements in a TRANSACTION block.
D. Open a new connection to the database. Use a separate transaction scope to roll back the original operation.
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《生民》属于《诗经》中的()。
A. 国风
B. 大雅
C. 小雅
D. 颂
备用线对的线序及色谱不正确的是()。
A. 线序1:白红
B. 线序3:白黄
C. 线序4:白紫
D. 线序5:白黑
起立杆塔或其他构件的吊点固定绳(千斤绳),钢丝绳安全系数K不小于()。
A. 3
B. 4
C. 2.5
D. 2.0
患者,女性,46岁,左眼突发视朦1天。左眼3周前因急性闭角型青光眼行小梁切除术。Vos0.1Tos35mmHg,左眼混合充血(+),滤过泡较平,角膜透明,前房轴深1/2C.T.,中周至周边部前房消失,瞳孔3.5mm×3.5mm,晶状体轻度混浊,眼底窥不清。眼部B超未发现异常。患者正确的诊断应该是()
A. 迟发性脉络膜出血
B. 抗青光眼术后滤过泡渗漏
C. 恶性青光眼
D. 脉络膜渗漏综合征
E. 以上都不是