mysql repair index

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MySQL Data table Damage Repair command

Symptom of table corruption A typical symptom of a damaged table is as follows:1. When selecting data from a table, you get the following error:Incorrect key file for table: ' ... '. Try to repair it2. The query cannot find rows in the table or

MySQL index Operation Command (create index, re-index, query index, delete index)

This article mainly summarizes the MySQL index operation methods, including creating indexes, rebuilding indexes, querying indexes, and deleting indexes. In the following example, 'table _ name' indicates the data table name, 'index _ name'

MySQL index Operations Command (CREATE INDEX, rebuild index, query index, delete index)

1. CREATE index The creation of the index can be done in the CREATE TABLE statement, or you can add indexes to the table separately with the CREATE INDEX or ALTER TABLE. The following command statements show how to create a primary key index

Checking and repairing MySQL tables: MySQL table is marked as crashed and last (automatic?) repair failed

0x001 Issue BackgroundMySQL executes the relevant MySQL command (we performed, show procedure status) When prompted Mysql.proc table crashed, cannot be repaired (marked as crashed and last (automatic?) Repair failed)Error message: MySQL table is

Mysql Database index corruption and repair experience sharing _mysql

The problem and solution of MySQL table index being corruptedAfternoon work, surprised to smell my Dedecms website problem, visit a look, really full screen error, check MySQL log, error message is:Table '. \dedecmsv4\dede_archives ' is marked as

MySQL Architecture optimization Combat Series 1: Data type and index tuning full resolution

First, data type optimizationData type Integer Number types: integers and realstinyint (8), smallint (16), Mediuint (24), int (32), bigint (64) numbers indicate the corresponding maximum number of storage bits, such as tinyint ( -127---

MySQL database index corruption and repair experience sharing

This article mainly introduces the MySQL database index damage and repair experience sharing, need friends can refer to the following The problem and solution of MySQL table index being corrupted Afternoon work, surprised to smell my Dedecms

The reason analysis and repair method of Mysql data table damage (recommended) _mysql

1. Table Damage Reason analysisThe following are common causes of MySQL table corruption: 1, the sudden loss of power to the server caused data file corruption. 2, forced shutdown, did not first shut down the MySQL service. 3. The mysqld process was

MySQL table damage prevention and repair _ MySQL-mysql tutorial

Prevention and repair of MySQL table corruption 1. analysis of causes of table corruption The following are common causes of mysql table destruction: 1. data files are damaged due to a sudden power failure on the server. 2. force shutdown without

MYSQL Data Table Damage Cause Analysis and Repair Methods Summary (recommended)

MYSQL Data Table Damage Cause Analysis and Repair Methods Summary, met friends can refer to, below to sort out some more comprehensive, hope to help everyone. MYSQL Data Table Damage Cause Analysis and Repair Methods Summary, met friends can refer

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