多项选择题
A.NLS_LANG
B.ORACLE_SID
C.ORACLE_HOME
D.ORACLE_BASE
E.LD_LIBRARY_PATH
单项选择题 TheSCOTTuserhasanindexontheITEM_DESCcolumnoftheITEMtable.Aspartoftheyear-endingtask,SCOTTupdatestheITEM_DESCcolumnformostoftherowsintheITEMtable.Howdoesthischangetothetableaffecttheindex?()
单项选择题 Your tnsnames.ora file has the following entry for the service alias ORCL: ORCL = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP) (HOST = 10.156.24.216) (PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl.oracle.com) ) ) The TNSPING command executes successfully when tested with ORCL but you are not able to connect to the database instance with the following command: SQL> CONNECT scott/tiger@orcl What could be the reason for this?()
单项选择题 Examine the following commands executed in your database: SQL> ALTER SESSION RECYCLEBIN=ON; Session altered SQL > CREATE TABLE emp TABLESPACE tbsfd AS SELECT * FROM hr.employees; Table created. Further, you executed the following command to drop the table: SQL> DROP TABLE emp;Table dropped. What happens in this scenario?()