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MySQL's "bug" about timestamp and mysqldump BitsCN.com MySQL's "bug" about timestamp and mysqldump" Recurrence The problem that a colleague encountered when performing a data dump is simplified as follows: 1. create a table Drop table if exists tb;

Use the mysql command line to export SQL bitsCN.com Use mysql command line to export SQL In fact, it is very simple. you only need two steps to first enter the mysql command line, enter the use database name, and then enter source test. SQL to

MySQL study Note 5: modify the table bitsCN.com When creating a table, we will inevitably consider the problem of weeks. Therefore, the table will be modified later. The alter table statement is required to modify a table. Modify table name mysql>

Use mysqldumpslow to analyze and execute slow SQL statements mysqldump BitsCN.com Use mysqldumpslow to analyze and execute slow SQL statements Mysqldumpslow-s c-t 10/var/log/mysql/mysql-slow.log A function of MySQL database is to record slow SQL

Chapter2. anatomy database system (3) bitsCN.com Link Is MySQL a relational database system? Many database experts will tell you that there are only a few real relational database systems in the world. They will also point out to what extent the

Solve bitsCN.com when MySQL is reinstalled startservice failure when installing mysql in windows xp problems about mysql-5.1.45-win32.msi: cocould not start the service mysql error: 0 error. After research and try, the reinstallation was successful!

Differences between mysql and mysqli bitsCN.com Difference between mysql and mysqli: mysqli connections are permanent connections, while mysql does not. Mysql connection: a new process is opened every second time. Mysqli connection: only the same

How to reduce the mysql storage column (taking designing a network store as an example) bitsCN.com When designing a database, we often encounter fields that indicate "no". Wang Wei, a network fisherman, encountered the following situations when

How to restart MySQL: bitsCN.com The correct method for restarting MySQL has changed my. cnf, the MySQL service needs to be restarted. because Mysql is installed from the source code package, there is no common servcie mysqld restart script in the

MySQL stored procedure parameter usage in, out, inout bitsCN.com There are three types of MySQL Stored Procedure parameters: in, out, and inout. What are their respective functions and features? I. MySQL stored procedure parameter (in) MySQL stored

Mysql client (Navicat) remote login operation encountered another problem 1142-createcommanddeniedtouser ××navicat BitsCN.com Mysql client (Navicat) remote login operation again encountered problems 1142-create command denied to user ××× solution

View InnoDB disk space usage bitsCN.com View InnoDB disk space utilization page utilization mainly refers to the space used by each page in btee. We know that the default page size of InnoDB is 16 kB. However, the actual usage is not always full. we

How to set mysql encoding in Windows and Linux systems: bitsCN.com Method 1How to manually modify the default encoding of MySQL and later versions Use the php5 + MySQL 4.1.x/5.x environment:Mysql4 is prone to Chinese garbled characters when

Solve the problem of slow dump data in MySQL for DW business bitsCN.com Problem background: DBA in Beijing reported that DW recently pulled data from MySQL and found that data pulling was slow. at that time, it was switched. After analysis by the

Mysql horizontal segmentation bitsCN.com In large and medium-sized projects, mysql horizontal segmentation usually splits the database or data table horizontally to reduce the pressure on a single database or table, considering the maximum data size

Mysql (1) install bitsCN.com in mysql Mysql (1) installation of mysql 1. installation of Mysql 2. installation of mysqldata Library first download of mysqlinstallation package mysql-5.0.85.tar.tar Upload the downloaded installation package to

MySQL getting started books and methods sharing bitsCN.com On chinaunix, there are always a lot of students who want to learn about the database or prepare for the DBA. As a MySQL DBA, I have accumulated some experience and insights over the past

[Switch] database design several forms of multi-to-multi-link bitsCN.com Many-to-many relationships require at least three tables. we call one table a master table and the other a relational table, the other is called a dictionary table or sub-table

Mysql auto-increment id 0 method bitsCN.com Method for returning mysql auto-increment id to 0 Recently, it has always been a headache to initialize data for the current project, and the auto-increment of database IDs is getting bigger and

Mysql locally imports data from a remote database bitsCN.com Mysql locally exports data from a remote database Preface: I recently started to use the Ubuntu system. there is really no good mysql interface program, so I can only operate it on a