在数据库运行阶段由DBA完成的经常性的维护工作包括的内容有哪些?
DBA的可配置最小带宽应该不大于()。
DBA的职责是什么?
HG810e提供4xEPON接口(上行1Gbit/s、下行1Gbit/s)、支持DBA(Dynamic Bandwidth Assignment)、支持1、16LLID。
A user wants to be permanently added to the dba group. Which command or process can be used to accomplish this?()
当在SQL*Plus中需要以DBA连接到Oracle数据库,可以使用如下()方式。
Your are the DBA supporting an Oracle 11g Release 2 database and wish to move a table containing several DATE, CHAR, VARCHAR2, and NUMBER data types, and the table’s indexes, to another tablespace. The table does not have a primary key and is used by an OLTP application. Which technique will move the table and indexes while maintaining the highest level of availability to the application?()
On Tuesday, a junior DBA dropped an important application user account, whose schema has important tables. You are asked to recover all the objects in the schema. On investigation, you find that the user account was dropped at 11:00 a.m. and Sunday’s backup is the most recent backup. Which flashback feature would you use?()
The DBA issues this SQL command: What privileges does the user Scott have at this point?()
You are the Database Administrator (DBA) of your company. You execute the following statement on an Oracle 10g instance: SQL> ALTER SYSTEM SWITCH LOGFILE; Which two tasks are performed when the statement is executed? ()