帮助创业者达到事业成功的最佳工具是（）。 制定一份完美的财务计划。 制定一份完美的商业计划。 制定一份完美的管理计划。 制定一份完美的战略计划。
患者，女性，35岁，因车祸腹部撞伤6h，就诊时血压75/60mmHg，脉搏100/min，烦躁不安，皮肤粘膜发绀，多处出现瘀点和瘀斑，四肢湿冷，腹穿有不凝固的血液抽出。该患者的抢救应首先（） 迅速补充血容量。 应用血管活性药物。 吸氧，应用抗生素。 及时纠正酸中毒。 使用强心药物。
Evaluate the following statements: What are the two consequences of the above statements?（） Partitions of PURCHASE_ORDER_ITEMS have system-generated names.。 Both PURCHASE_ORDERS and PURCHASE_ORDER_ITEMS tables are created with four partitions each.。 Partitions of the PURCHASE_ORDER_ITEMS table exist in the same tablespaces as the partitions of the PURCHASE_ORDERS table.。 The PURCHASE_ORDER_ITEMS table inherits the partitioning key from the parent table by automatically duplicating the key columns.。 Partition maintenance operations performed on the PURCHASE_ORDER_ITEMS table are automatically reflected in the PURCHASE_ORDERS table.。
Evaluate these two SQL statements: SELECT last_name, salary, hire_dateFROM EMPLOYEES ORDRE BY salary DESC; SELECT last_name, salary, hire_dateFROM EMPOLYEES ORDER BY 2 DESC; What is true about them? （） The two statements produce identical results.。 The second statement returns a syntax error.。 There is no need to specify DESC because the results are sorted in descending order by default.。 The two statements can be made to produce identical results by adding a column alias for the salary column in the second SQL statement.。
You are a professional level SQL Server 2005 database administrator in an international corporation named Wiikigo. You are experienced in implementing high-availability solutions， monitoring the database server， and design deployment. In the company， you major job is the deployment， maintenance and support of Microsoft SQL Server 2005. You work as a database administrator for your company. More than a month ago， the SQL 2005 Server computer is deployed in operation. There are some query performance problems last week. Therefore， you perform an investigation on the locking contention. From the sys.dm_os_wait_stats dynamic management view （DMV）， you can see a high value in the max_wait_time_ms column. You want to check out whether this value is a factor which leads to the current performance problems. In addition， the impact on database users should e cut to the least. Which action should be performed to achieve the goal？（） To achieve the goal， the UPDATE STATISTICS command should be excuted.。 To achieve the goal， the SQL Server Service should be restarted.。 To achieve the goal， the SQL Server computer should be restarted.。 To achieve the goal， the statistics in the dynamic management view （DMV） should be reset.。
Youre performing tablespace point-in-time recovery on a tablespace called USERS. If an object in that tablespace has a foreign key constraint owned by another object in the INDEX_TBS
which statement is true？（）
