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AutoCAD文件扩展名为(),模板文件扩展名为() 什么是错误推测法?你经常用的错误推测法来测试系统的经验有哪些? SCM是一组管理整个软件生存期各阶段中()的活动。 投影图的坐标与()的坐标之间的对应关系是能否正确绘制轴测图的关键。 You are managing an Oracle Database 11g database. You configured the database to run inARCHIVELOG mode.  Which two statements are true in this scenario() 在安装Bugzilla过程中,其中异步需要在BUGZILLA的目录内运行checksetup.pl,请以下哪个命令正确?()() You have 100 segments in the USERS tablespace. You get an alert that the USERS tablespace is running low on space. You decide to shrink some segments. Which option would you use to determine which segments to shrink?() If you are going to run a TSPITR recovery, which view will help you to determine which objects will be lost during the TSPITR?() In your production database, users report that they are unable to generate reports on an important table because it does not contain any data. While investigating the reason, you realize that another user executed the TRUNCATE TABLE command, which accidentally caused the data to be lost. Now you want to recover the lost data of the table without affecting objects in other schemas.  Which method must you use to recover the lost data?()   Your database operates in ARCHIVELOG mode. User/x7fmanaged consistent backups are performed every Sunday night.  On Tuesday, client A drops a table at 8:00 a.m. as follows:  SQL> DROP TABLE cust_ord PURGE;  Table dropped.  Client B executes a query at 9:00 a.m. on the same table as follows:  SQL> SELECT * FROM cust_ord; SELECT * FROM cust_ord *  ERROR at line 1:  ORA/x7f00942: table or view does not exist  Client B needs the dropped table and reports the problem to you. With reference to this scenario, which action should you take?()