独立性仅仅包括实质上的独立,而不包括形式上的独立。
男性,36岁,暴饮暴食后突发腹痛,疼痛呈持续性并阵发加重,伴呕吐、体温升高,被诊为急性坏死性胰腺炎,急诊行手术治疗。术后第4天患者体温降至正常后又升高至39.5℃,精神不振、寒战,无腹痛腹胀,切口引流液少,中心静脉置管处红肿,有压痛,应警惕其可能发生了() 空气栓塞。 低血糖症。 高血糖症。 导管败血症。 急性胰腺炎复发。
每个门均要加一道()的门槛,提高其防水性。 不需加。 10-20mm。 50-100mm。 20-30mm。
Which two are prerequisites for performing a flashback transaction?() Flashback Database must be enabled.。 Undo retention guarantee for the database must be configured.。 EXECUTE privilege on the DBMS_FLASHBACK package must be granted to the user flashing back transaction.。 Supplemental logging must be enabled.。 Recycle bin must be enabled for the database.。 Block change tracking must be enabled tor the database.。
设备接头处若有相色漆,在过热后()。 相色漆的颜色变深,漆皮裂开。 相色漆的颜色变浅,漆开始溶化。 相色漆的颜色更加明显,并有冒湿现象。
Redo log files are not multiplexed in your database. Redo log blocks are corrupted in group 2, and archiving has stopped. All the redo logs are filled and database activity is halted. Database writer has written everything to disk. Which command would you execute to proceed further?()