Oracle

This article mainly introduces the summary of Oracle statement optimization rules. What we will talk about today is how to optimize Oracle SQL Performance, this article mainly introduces Oracle SQL Performance Optimization in three major sections.

We all know that the rollback segment is a part of the database, and its main function is to record the change information of the Oracle database. This information enables read consistency and restoration of Oracle databases. If the rollback segment

The following articles mainly introduce SQL statements commonly used for Oracle maintenance. If you are a computer, I believe that after reading this article, you will have a better understanding of the relevant SQL statements. The following

In the maintenance of related indexes in Oracle databases, this article mainly discusses the most common related indexes in Oracle, namely, B-tree indexes. The database version is Oracle8i. The following is a description of the specific solution. I

After learning about Oracle for a while, we may encounter Oracle data import problems. Here, we will briefly introduce some Oracle data import methods and share them with you. The Oracle Data Import utility allows you to extract data from a database

In actual Oracle Applications, online backup mainly requires the ARCHIVELOG-related mode, which is mainly used to execute the actual application and operations of Oracle data. For example, in an online store, the Oracle database must be open

In the actual use process of the Oracle database, it will increase with the increase of the relevant data, and the related files will also increase, when it reaches a certain size, it may cause insufficient disk space; then we can move the database

The following articles mainly describe the projects we need to use when Oracle databases are used for related enterprises, including OracleSQL optimization, there is also a description of the related content of multi-database collaboration. The

The following articles mainly introduce the Oracle Data Character Set and sorting. The following articles describe the actual operations on the Oracle Data Character Set and sorting, some commands related to character sets and related sorting in the

This article mainly introduces the Oracle database startup method and the relevant actual command parameters for induction. This question is mainly about the actual application code of the Oracle database startup method, the following describes the

The following articles mainly summarize the practical application skills of the Oracle explain plan. If you need to optimize the SQL statements in the Oracle database, we need to know the relevant plans to be executed, so as to make targeted

The following article mainly introduces the Oracle data file size restriction solution. We all know that the size of the racle data file is limited to an internal one. The related limitation is: each related data file can contain a maximum of 2 ^ 22-

The following articles mainly describe the synchronization-related replication of Oracle Advanced Replication. If a company needs to set up a server (Oracle) in several related places throughout the country, the consistency of related DB data is

The following articles mainly introduce how to obtain the actual operating solutions for Oracle System Performance Statistics. Recently, many computer companies have asked me questions about Oracle performance. What is the concept of slowness? How

The following articles mainly introduce the functions of the Oracle background process. We all know the DBWR process. The main purpose of this process is to write the buffer into the relevant data file, an Oracle background process responsible for

If you are not familiar with the basic concepts of Oracle random functions, the following article will give a detailed introduction to Oracle random functions. In fact, I personally think the method of Oracle random functions is very simple, there

If you want to improve the actual execution efficiency of SQL statements in Oracle databases, you must first optimize the business logic of your actual application, in the following articles, Oracle also provides some technical methods. Today we

The following articles mainly introduce two specific methods for regular execution in Oracle stored procedures. One is to write shell scripts to perform regular execution in the background using crontab correctly, the other is to teach you how to

There are many things worth learning about in Oracle Database. In this article, we mainly talk about the Oracle SMON process, mainly about archive process ARCH and other aspects. We all know that there are two very small processes in the Oracle

The following articles mainly introduce the five specific requirements of Oracle Database in design standardization. Today we mainly introduce the first two requirements, we should avoid empty columns in the table, and avoid repeated values or