依靠肌肉协调等长收缩维持平衡，保持一定的姿势，这种训练疗法为（） 静态平衡训练法。 动态平衡训练法。 静态平衡训练法和态平衡训练法。 以上都是。 以上都不是。
You work as a database administrator for Certkiller .com. You added atablespaceto your database. Because of the changes to the physical structure of your database， you performed a backup of the control file to trace. After this， you lost only the control files and the instance aborted due to a hardware failure. How would you proceed to recover the database？（） Start the instance and open the database, instance recovery automatically recovers control files 。 Create a file based on the contents of the trace file and save it to the control file locations and start the database 。 Re-create the database (The recovery of the control file is not possible because you have lost all the control files.) 。 Start the instance, in the NOMOUNTstate,re-create the control file using the CREATE CONTROLFILE command stored in the trace file. 。 Start the instance and MOUNT the database, then re-create the control file using the CREATE CONTROLFILE command stored in the trace file.。
社会保险费有养老保险费和（）等 失业保险费。 医疗保险费。 生育保险费。 工伤保险费。
Evaluate the following code： SQL>VARIABLE task_name VARCHAR2（255）； SQL>VARIABLE sql_stmt VARCHAR2（4000）； SQL>BEGIN ：sql_stmt ：= ’SELECT COUNT（*） FROM customers WHERE cust_state_province =’’CA’’’； ：task_name ：= ’MY_QUICKTUNE_TASK’； DBMS_ADVISOR.QUICK_TUNE（DBMS_ADVISOR.SQLACCESS_ADVISOR， ：task_name， ：sql_stmt）； END； What is the outcome of this block of code？（） It creates a task and workload， and executes the task.。 It creates a task and workload but does not execute the task.。 It produces an error because a template has not been created.。 It produces an error because the SQL Tuning Set has not been created.。
简要叙述市场法评估资产的基本程序。
模板工程的质量通病有（）。
