The information age has great impact on people's work. Advanced technology has promoted enterprise's development. Everyone has been in an environment of information explosion. This requires us to better process all kinds of data. Only in this way can we improve the use rate.

Oracle database is a new kind of relational data. Its storage capacity and management capacity are stronger. It has a wider and more common application in practical work.

Science and technology have been developing. Oracle's performance is improving. It has the advantages of high stability and high sureness. Oracle databases are complex. It is prone to errors in the application process. Users are required to do every job well.

People consider the upgrade strategy before the developed system. This can ensure that Oracle database runs in the best performance state.

The upgrade strategy refers to adjusting the parameters of system. Adjust the parameters of the Oracle database. Adjust network performance. There are application SQL statement analysis and design. People do the analysis and design of applications. People should finish work before the development of information systems.

Analyze and evaluate Oracle database performance. There are two main indicators. Database throughput and database user response time. What is database throughput? Is the number of SQL statements that the database can complete over time. Database user response time. This is the time from the submission to the result. The response time of database users are two items. That is, system server time and user waiting time.

There are two ways to achieve better user response time. One is to reduce system service time. That is, to improve the throughput of the database. The second is to reduce the waiting time of users. What does this mean? Reduce the conflict rate of users accessing the same database resources.

This requires Oracle database performance upgrade. Performance upgrade includes the following parts:

1. Adjustment and design of data structure.

2. Adjustment of application structure design.

3. Adjust the SQL statement database.

4. Adjustment of server memory allocation.

5. People need to adjust I/O before developed information systems.

6. Adjustment of operating system parameters.

We cannot achieve Oracle database performance upgrade in a night. This requires mutual influence. The worsening of Oracle database will bring long response time. There is long waiting time for users.

There are various reasons for performance worsening. It is common for many factors to cause performance worsening. The controller needs to have broad computer knowledge. He should detect the main reasons in time. Good database management tools are essential. This is important for optimizing database performance.