A database user SMITH tries to query the V$SESSION view and fails to access it as follows: SQL> connect smith/smith Connected. SQL> SELECT * FROM v$session; SELECT * FROM v$session * ERROR at line 1: ORA-00942: table or view does not exist Which are the two possible solutions to enable SMITH to query the data in V$SESSION()
A. granting SELECT privilege to SMITH on V$SESSION
B. granting SELECT privilege to SMITH on V_$SESSION
C. asking the user SMITH to run the catalog.sql script
D. granting SELECT privilege to SMITH on V$FIXED_TABLES
E. setting the O7_DICTIONARY_ACCESSIBILITY parameter to TRUE
F. creating a view based on V$SESSION and granting SELECT privilege to SMITH on the view that was created
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企业的生命力要素是()
A. 行动力
B. 程序力
C. 竞争力
D. 创新力
E. 整合力
关于投用离心式压缩机润滑油系统的操作,下列表述错误的是()
A. 确认润滑油管线无泄漏
B. 关闭管线上各低点排油阀和放空
C. 手动启动润滑油泵后,投用密封隔离氮气
D. 打开润滑油蓄能器的连通阀
根据康德的推论逻辑,“两点之间直线最短”是什么类型的命题?