mysql show table indexes

The following articles mainly describe the creation and deletion of MySQL databases, as well as the detailed parsing of indexes and changing actual table statements. If you are also popular with MySQL databases, you can click the following article

The main contents of this chapter: First, foreign key Second, table connection Third, sub-query Iv. Index first, foreign key: 1. What is a foreign key 2. Foreign KEY syntax 3, FOREIGN key conditions 4.

The main contents of this chapter: First, foreign key Second, table connection Third, sub-query Iv. Index First, FOREIGN key: 1. What is a foreign key 2. Foreign KEY syntax 3, FOREIGN key conditions 4.

Note: This article turns from:http://www.cnblogs.com/smyhvae/p/4042303.htmlThe main contents of this chapter: First, foreign key Second, table connection Third, sub-query Iv. Index First, FOREIGN key: 1. What is a

The usage policy and optimization (high-performance index policy) bitsCN.com in this chapter are based on the above theoretical basis. In fact, once you understand the mechanism behind the index, therefore, selecting a high-performance policy

The content of this chapter is based entirely on the theoretical basis above. In fact, once you understand the mechanisms behind the index, selecting a high-performance policy becomes pure reasoning, and you can understand the logic behind these

Indexes are used to quickly find rows that have a specific value in a column. Without the use of an index, MySQL must start with the 1th record and then read the entire table until the relevant rows are found, and also consider the IO overhead of

First, FOREIGN key: 1. What is a foreign key 2. Foreign KEY syntax 3, FOREIGN key conditions 4. Add foreign keys 5. Delete foreign keys 1, what is the foreign key:PRIMARY KEY : Uniquely identifies a record, cannot be

MySQL manages tables and indexes, and MySQL manages table indexes. MySQL manages tables and Indexes Create database | SCHEMA [if not exists] db_name [character set =] [COLLATE =] Delete DATABASE: DROP {DATABASE | SCHEMA} [if exists] db_name Create a

This article mainly introduces how to view, create, and delete indexes in MySQL, and analyzes the functions of indexes in MySQL in detail based on the instance form, you can also learn how to view, create, and delete indexes. you can refer to the