一个创业者应该具备()。 创新能力。 专业知识。 知识背景。 心理承受能力。
人际关系的作用主要有() 影响团体凝聚力。 影响个体活动效率。 影响人的个性形成与发展。 影响个体身心健康。
Observe the information in the columns: 1. The SGA a. Text and parsed forms of all SQL statements 2. The cursor state b. Run-time memory values for the SQL statement, such as rows retrieved 3. User-session data c. Security and resource usage information 4. The stack space d. Local variables for the process Which option has the correct match between the memory areas and their contents() 1-c, 2-b, 3-d, 4-a。 1-b, 2-c, 3-d, 4-a。 1-a, 2-b, 3-c, 4-d。 1-a, 2-b, 3-d, 4-c。
The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You want to perform user managed backup for the data files of the HR_DATA tablespace.To accomplish the task, you issued the following command: SQL> ALTER TABLESPACE hi_data BEGIN BACKUP; Which two statements are true in this scenario? () No transaction on the tablespace is allowed but you can perform queries.。 The tablespace will automatically come out of backup mode when the file copy is complete.。 The checkpoint change number is frozen in headers of the data files until the file is removed from backup mode.。 The database writes the before image of an entire block to the redo stream before modifying. block tor the first time.。
分部工程验收由验收工作组负责,分部工程验收工作组由()主持。 项目法人或监理单位。 施工单位的总负责人。 各方负责人共同。 质量监督机构。
运维管理的方式除完全客户管理或外包商管理外,还有()