强有力
发表于 2025-3-23 09:53:26
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shrill
发表于 2025-3-23 15:55:47
Managing Control Files, Online Redo Logs, and Archivelogs,aces and data files. This chapter looks at managing control files and online redo logs and implementing archivelogs. The first part of the chapter discusses typical control file maintenance tasks, such as adding, moving, and removing control files. Next we will examine the DBA activities related to
吞下
发表于 2025-3-23 22:01:41
Users and Basic Security,r, applications, and users. When you create a database, there are a few default accounts that are created. In 23c, the accounts are just schemas, so they are not available to log in. making the database more secure and limiting the exposure of gaining access to the database through a default account
思考而得
发表于 2025-3-23 23:44:19
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Perennial长期的
发表于 2025-3-24 03:51:51
Indexes,rned in the results without having to retrieve all of data columns of a table. This can help keep results in memory and bring back results faster. The purpose of a database index is similar to that of an index in the back of a book. A book index associates a topic with a page number. When you are lo
laceration
发表于 2025-3-24 06:35:14
Views, Duality Views, and Materialized Views,as a way of managing data and of presenting data sets in different ways for applications and users to consume the data. It is not just reading the data either; the capabilities exist to modify the data through the view.
COMA
发表于 2025-3-24 14:42:17
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不来
发表于 2025-3-24 17:47:24
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adj忧郁的
发表于 2025-3-24 21:10:57
RMAN Restore and Recovery, restore process needs to be documented, tested, and practiced. Practicing allows for errors to occur and for you to document strange things that can happen so that in a moment of panic and needing to complete the restore under pressure, you will be able to remain calm. It will also help verify that
废除
发表于 2025-3-25 00:44:09
Migration to Multitenant and Fleet Management,ontainer database was created with a pluggable database. If you are using a noncontainer database in 19c or earlier release of the Oracle Database, the upgrade process will include migration to multitenant and then upgrading to 23c.