Oracle

As a super-large-scale database, Oracle stores more data than general databases. The following describes the architecture of Oracle databases, the following is a detailed introduction of the article. I hope you will gain some benefits after browsing

As the most cluster product in Oracle, RAC has many articles on Oracle RAC configuration on the Internet. However, in some wonderful articles, RAC cannot be configured successfully. The following is a detailed description of the relevant content.

In actual Oracle user password operations, sometimes we may not be clear about the password of a user, but we have to do some practical operations with the relevant users, therefore, we cannot modify the password of the relevant user. At this time,

The following articles mainly focus on the top ten key points of Oracle performance adjustment: Operating System Optimization and how to use the relevant resource manager for actual operations, if you are confused about the actual application of

The following article describes how to modify an Oracle table column, including how to add a column and how to modify the column definition, as well as the specific operations in the Process of deleting the column, the specific content of the

Oracle indexes can be said to greatly improve the efficiency of database-related queries. However, if we do not use the index at the time, it will lead to the opposite effect. What indexes should be used for the table as shown in? I will take this

The following articles mainly introduce the Oracle memory structure research-SGA. I saw the introduction of PGA in Oracle memory structure research-PGA two days ago. PGA is a dedicated private memory zone for a server process, while SGA is a shared

We all know that Oracle has introduced special triggers since Oracle8i. In fact, triggers are not DML events related to DML events, such as INSERT, UPDATE, and DELETE ). These system-level triggers include database start triggers, DDL triggers, and

Oracle is now becoming more and more important. In actual applications, of course, it also sets off a hot wave of learning Oracle. If you are planning to learn it, the following articles will provide you with some suggestions so that you can better

We all know that there are two different archive and non-archive modes in Oracle Database when we redo related log file management. When switching logs, if you do not archive the original log files, but directly overwrite them, it is called

This article mainly introduces the debugging and optimization of Oracle databases, as well as answers to questions related to the life rate in Oracle databases, including performance comparison between different algorithms. The following describes

If you want to better understand the Common commands of Oracle 10G for linux, you must understand the basic concepts in the Common commands of Oracle 10G for linux, the following is a detailed description of common Oracle 10G for linux

The following articles mainly introduce the specific operation methods of Oracle Installation scripts. If you are a beginner in the practical application of Oracle Installation scripts, you can use the following articles to better understand how to

If you are not familiar with installing the Oracle software in silent mode, you can use the following articles to learn about its practical application and functions. The following is a detailed introduction of the article. Sometimes it is

Generally speaking, we can judge whether the Oracle database is designed with a comparative specification from two aspects. The first is to check whether a large number of narrow tables exist, and the second is to check whether the number of wide

This article describes how to use the flashback function in Oracle 9i R2 to restore the actual data operations in the following table. We first query the v $ archived_log view, the following describes the actual steps. First, if the database is in

The following articles mainly focus on Oracle Table query optimization. This article uses three related tables, namely, Table A, table B, and Table C, for demonstration, you can use the following articles to learn about its practical application and

The following articles mainly involve the change of the default port number in Oracle, including the security of the Oracle database and the related steps for modifying the port number. The following describes the specific content, I hope you will

The following articles mainly describe how to delete repeated and useless data in an Oracle database, that is, how to delete duplicate records completely, if you are a beginner in the field of deleting useless data from Oracle databases, you can use

The following article is intended for new users who want to use Windows to build a website, and Oracle 9i/10g to install and build a database background. The installation steps are as follows:Operating System: windows2000 serverOracle9i + oracle10G10