问题：说明触发器的种类和对应的作用对象、触发事件。...

Friday, September 16, 2022

问题：he DBA is about to enable auditing on the Oracle database in an attempt to discover some suspicious activity. Audit trail information is stored in which of the following database object names?（）A、SYS.SOURCE$ B、SYS.AUD$ C、DBA_SOURCE D、DBA_AUDIT_TRAIL...

Thursday, April 13, 2023

问题：Which of the f...

Friday, September 16, 2022

问题：Which built-in would...

Thursday, September 15, 2022

问题：What are four capabilities of th...

Friday, September 16, 2022

问题：On your Oracle Database, you is...

Thursday, September 15, 2022

问题：以下关于数据库连接串的叙述正确的是（）...

Thursday, September 15, 2022

问题：You need to give the MANAGER ro...

Friday, September 16, 2022

问题：下列哪一个后台进程和对应的数据库组件能够保证即使用户对数据库所做...

Monday, September 12, 2022

问题：You work as a database administrator for Supportcenter.cn. You are using Recovery Manager （RMAN） to perform backups in your databases. Which four backup operations can be performed using RMAN？（）A、A backup of the target database when it is mountedB、A backu...

Tuesday, May 2, 2023

问题：用于删除表中所有数据行的命令是（）。...

Friday, September 16, 2022

问题：Which three statemen...

Thursday, September 15, 2022

问题：You work as a&...

Thursday, September 15, 2022

问题：Which two statements about the S...

Thursday, September 15, 2022

问题：Which NLS parameter can be used to change the default Oracle sort method from binary to linguistic for the SQL SELECT statement？（）A、 NLS_LANGB、 NLS_COMPC、 NLS_SORTD、 None of the above...

Friday, June 9, 2023

问题：Which two statements about subqueries are true?（）A、A single row subquery can retrieve data from only one table.B、A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FRO...

Friday, September 13, 2024

问题：Which two are attributes of /SQL...

Friday, September 16, 2022

问题：Which two statements...

Friday, September 16, 2022

问题：You started a long transaction. Before committing， you executed a query on one of the tables currently being modified. You received the following error：  ORA-01555： snapshot too old  How would you prevent such an error in the future？（）A、guarantee undo ret...

Friday, March 22, 2024

问题：Your database is&ensp...

Thursday, September 15, 2022