简述Suzlon S82/1.5MW可变滑差异步感应型风力发电机工作原理?
小企业构建管理团队的关键在于各类人才的()。 替代性。 互补性。 交叉性。 独立性。
Given below is a list of scenarios: 1) A user terminates his session abnormally. 2) The connection between the server and the client application terminates because of a network failure. 3) A schema is accidentally dropped. 4) The tablespace is accidentally dropped from the database. 5) The hard disk gets corrupted and the data files in the disk are lost. 6) The database instance abnormally shuts down because of power failure. Which scenarios require DBAintervention to perform recovery() 1, 3, and 6。 4, 5, and 6。 3, 4, and 5。 1, 2, and 6。
The ORACLE_SID environment variable is set to +ASM. ASMLIB is not used in the configuration. You executed the following command to startup the Automatic Storage Management (ASM) instance. SQL> STARTUP; Which two activities are performed during a successful start up operation?() The databases configured to use the ASM instance are mounted。 The disk groups are mounted as per the ASM_DISKGROUPS initialization parameter。 ASM starts the Oracle Cluster Synchronization Services (CSS) daemon if it is not started。 ASM discovers and examines the contents of all files that are in the paths specified in the ASM_DISKGROUPS initialization parameter。
自阀手柄在最大减压位与过量减压位时的区别在()移动量不同。 调整阀柱塞。 重联柱塞阀柱塞。 缓解柱塞阀柱塞。 副阀柱塞。
Which of the following statements is true regarding the VERSIONS BETWEEN clause?()