mysql table schema query

Creating a schema in MySQL seems to have the same effect as creating a database, which looks different in SQL Server and Orcal databases. At the moment I can only understand that schemadatabase in MySQL.The relationship between user and schema in

If we want to know what the user and schema are like in the database, let's first look at what the user and schema are in the database.        in SQL Server2000, there is always a hidden relationship between user and schema due to the architectural

Original link: http://blog.163.com/baibai_zheng/blog/static/51980755201022125325689/Introduction: Recently contacted Laravel database migration, the code Schema let me to the database and the difference between the two a bit of a circle, and then

MySQL performance tuning and Architecture design--9th chapter The performance optimization of MySQL database schema designPreface: Many people think that performance is optimized in the process of writing code (program code or database code), in

We always have to live in a certain framework. The composition of the Framework comes from law, morality, and potential rules. Most people only want ansheng to live. After all, there are a few desperate people. Some people break the framework and

MySQL Query performance optimizationThe optimization of MySQL query performance involves many aspects, including library table structure, establishing reasonable index and reasonable query. The library table structure includes how to design

Principles and Application of pt-online-schema-change, ptonlinechangeschema If it is reprinted, please indicate the source of the blog: www.cnblogs.com/xinysu/. The copyright belongs to xiaoradish in the blog garden. Thank you for your

Preface: The cornerstone of high performance: good logic, physical design, according to the system to execute the query statement design schema This chapter focuses on MySQL database design, introduces the difference between MySQL database design

Source: http://blog.itpub.net/26515977/viewspace-1208257/We always have to live in a certain frame, the structure of the framework comes from the law, from the moral, and from the unspoken rules. Most people just live, life is a few people, after

Traditional method to modify table structure similar to ALTER TABLE XX Modify, you need to lock the table structure, if the table is large, the operation time will be longer. At present, the vast majority of business requirements 24*7 Non-stop