mysql index analyzer

The so-called index is a specific MySQL field for some specific algorithm sorting, such as the two-fork tree algorithm and hashing algorithm, the hash algorithm is established by establishing the eigenvalues, and then based on the characteristics of

The index of MySQL is the index introduced by the database index application database. The most frequently performed operation on a database is data query. In general, the database needs to search the entire table for data during the query operation.

I like to think of the tools bundled with SQL servers as inverted pyramid. tools for diagnosing and checking general problems are at the top, and tools for finding and diagnosing specific areas of problems are at the bottom. In addition to providing

  [Content Overview] This book is designed and implemented by a MySQL expert from Sun's Chinese Engineering Institute. The author divides the complex MySQL kernel into multiple functional subsystems to resolve various difficulties in understanding

MySQL can view and analyze the execution of SQL statements through explain or DESC, as follows to calculate sales for all companies in 2006, to correlate sales tables and company tables, and to sum the money fields with the corresponding SQL: SQL

When MySQL has high concurrent connections and a large number of database records, SELECT... WHERE... LIKE '%... % 'the full-text search method is not only inefficient, but also cannot be used for queries starting with the wildcard "%" and "_". A

IntroductionOptimizing SQL is a common task of DBA. How to optimize a statement efficiently and quickly is a common problem for every DBA. In my daily optimization work, I found that many operations are essential in the optimization process. However,

Status Description:Recently the new version of the project, not long before the project will be dead. Condition is in a state of suspended animation. Index query is very slow, almost no operation, slowly stuck to death.Then, when we make the release,

MySQL Architecture:By: Connection pooling components, management services and tools components, SQL interface components, Query Analyzer components, optimizer components,Buffer components, plug-in storage engine, physical file composition.MySQL is a

http://blog.itpub.net/28916011/viewspace-1758440/Now let's talk about the two features of MySQL memory and I/O.First, MySQL Memory Features:1. There is also global memory and memory per session (each session is similar to Oracle's SGA and PGA), but