A. A view can be created as read only. B. A view can be created as a join on two or more tables. C. A view cannot have an ORDER BY clause in the SELECT statement. D. A view cannot be created with a GROUP BY clause in the SELECT statement. E. A view must have aliases defined for the column names in the SELECT statement.
A.HTTP B.JNI C.JNDI D.T3 E.LDAP
A. by using the DBMS_REPAIR package B. by using the DB_BLOCK_CHECKING parameter C. by using the DBVERIFY utility D. will not be completely resolved until the hardware fault is corrected
A. The block change tracking data will be used only from the next incremental 0 backup. B. The incremental backup will use change tracking data for accomplishing the backup. C. The incremental backup will not use change tracking data for accomplishing the backup. D. The block track file will scan all the blocks and create bitmap for all the blocks backed up in the level 0 backup.
A.参数文件 B.数据文件 C.可执行文件 D.控制文件
A. The log sequence for the database will restart from 1. B. The log sequence number will be written to the control file. C. The log sequence number will be written to the datafile headers. D. The log sequence number will be written to the initialization parameter file.
A.Tight coupling B.Low cohesion C.High cohesion D.Loose coupling E.Weak encapsulation
A. The backup as copy can only be taken to disk B. The backup as copy can only be taken to tape C. Backup can be performed only when the instance is shutdown D. Backup will constitute all used and unused blocks in the database
A.No change is required to achieve the desired results. B.SELECT ename, sal, 12*(sal+100) FROM emp; C.SELECT ename, sal, (12*sal)+100 FROM emp; D.SELECT ename, sal+100,*12 FROM emp;
A. it should have "localstorage" set to TRUE B. it should be configured so as to not trigger re-partitioning C. both A and B are TRUE D. Neither A and B are TRUE
