how to improve database performance

  1. Explain the differences between cold backup and hot backup and their respective advantages Answer: Hot Backup is applicable to databases in the archive mode. When the database is still in the working state, it is backed up. Cold backup refers

First, the table below describes the ing relationship with the DB2/400 data types, which is a one-to-many relationship. The specific ing relationship should be analyzed for specific issues. Note: The DATE in Oracle contains the year, month, day,

Experience on creating indexes in mongodb It has been nearly a year since I came into contact with mongodb, And I have accumulated a lot of experience in indexing it. On this dark night, I would like to summarize the mongodb index. I. Index

When reading or modifying data in the database, the database engine uses a dedicated control type to maintain the integrity of the database, which is called the lock mechanism. The lock mechanism ensures Database Consistency by ensuring that the

This article from: http://www.bitscn.com/oracle/install/200604/16541.html First, the following table describes the ing between Oracle and DB2/400 data types, which is a one-to-many relationship. The specific ing relationship should be analyzed

Original article translated from: Simplified. If the database can run continuously, of course, it is best. However, this is often costly. Sometimes it is even more advantageous than what it gets. In the sqlserver2008 database, there are many high

Tip: Although a person is very smart, only correct operations on the database can make it run normally. Many of the content in this chapter is often mentioned and discussed and even analyzed in the previous chapters of this book. This chapter will

Mysql performance optimization 2: mysql Performance Optimization Next, Mysql performance optimization 1Create an appropriate index To improve database performance, indexing is the best and inexpensive. There is no need to add memory, no need to

Overview: Most application performance management (APM) solutions only consider and analyze performance issues at a certain level of J2EE applications. This method is insufficient to solve the performance problems of complicated applications in the

OLTP (online transaction processing) and OLAP (Online Analytical Processing) concepts and optimization, oltpolap OLTP, Also called online transaction processing (Online Transaction Processing), Indicating that the transaction is very high.

11 Database Design Guidelines and 11 database guidelines I have followed Author Shivprasad koirala, a former MVC engineer from Microsoft ASP/ASP. NET, is now a CEO in India. If you have any questions about the first translation, please kindly advise.

1. select the most suitable field attribute MySQL can support access to large data volumes, but generally, the smaller the table in the database, the faster the query will be executed on it. Therefore, when creating a table, we can set the field

This article mainly introduces Mysql database performance optimization 2. if you need it, you can refer to the previous article to introduce mysql database performance optimization 1, today, I will continue my previous article to introduce you to

 We know that Oracle, as a large database, is widely used in financial, post and telecommunications, electric power, civil aviation, and other important sectors with huge data throughput and extensive computer networks. For system administrators, it

As one of the mainstream databases in the current market, Oracle databases are developed on many applications. Due to the reasons for upgrading Oracle databases and different application providers, several Oracle versions may exist in an application

The advantage of parallel query is that it can process query jobs through multiple threads, thus improving the query efficiency. The SQL Server database provides the parallel query function for database servers with multiple CPUs to optimize the

1. select the most suitable field attribute MySQL can support access to large data volumes, but generally, the smaller the table in the database, the faster the query will be executed on it. Therefore, when creating a table, we can set the field

The analysis functions in ORACLE divide computing Windows based on several fields, and then aggregate, rank, and so on in the window. I think if the hash partition field of our data table is consistent with the partition by field in the analysis

Informix IDS databases are widely used in various industries such as finance, telecommunications, and postal services. It is a multi-threaded relational database server that adopts symmetric multi-processor technology and single-processor

High-Performance MySql evolution (I): Data type optimization _ bitsCN.com High-Performance MySql evolution (1): Data type optimization The database performance tuning process involves a lot of knowledge, including whether the attribute settings of