Document directory
MySQL table replication
MySQL table modification
Delete a MySQL table
I didn't want to write this section, because it was very troublesome. There were many examples, which were representative, and I knew everyone was bored.
In order to better optimize MySQL in high concurrency, it is necessary to understand the locking table mechanism when MySQL query is updated.I. OverviewMySQL has three levels of Lock: page level, table level, row level.MyISAM and MemoryStorageThe
Table partitioning is only recently known Oh, I used to do is the table to achieve the billion level of data, I would like to give you a description of the MySQL table partition to create and use it, I hope to be helpful to you classmates.
Table
MySQL常用指令,java,php程序员,数据库工程师必备。程序员小冰常用资料整理MySQL common commands (for reference)The most common display commands are:1. Display the list of databases.show databases;2. Display the data table in the library:Use MySQL;Show tables;3, display the
MySQL creates a table and creates a . frm file to save the table and column definitions. The index is stored in one . MYI (Myindex) and the data is stored in the . MYD (MYData) file extension. First, using Show/describe statement to display the data
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
1. Create a temporary tableA temporary table is a table, used to temporarily save some dataCharacteristics:Visible only to the user who created the temporary table ;When the session ends, MySQL automatically deletes the temporary table.The core of
MySQL master-slave Copy Data Summary1. Replication Principle
As shown in 1.png:
The first part of this process is that the master records binary logs. Before each Transaction Completes data update, the master will record these changes in the
Problem environment, recently prepared MySQL exam, with the * * Education question Bank, do the operation of the problem when the database file to copy the data directory, can display the table, but cannot manipulate the table1 View the directory
When creating a table, MySQL creates a. frm file to save the table and column definitions. Indexes are stored in a file with the. MYI (MYindex) Extension and data is stored in a file with the. MYD (MYData) extension.
1. Use the SHOW/DESCRIBE
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