This article summarizes the solutions to MYSQL is marked as crashed and should be repaired. Friends in need can refer to it. problem analysis As for the cause of the error, some netizens said that it was an index error caused by frequent querying and updating of the [data table] table. Because my page was not statically generated, but a dynamic page, I quite agree with this statement. It is also said that the MYSQL database has been damaged for some reason. For example, a sudden power outage of the database server, some operation on the original file of the table when providing services to the database table may cause the MYSQL database to be damaged. The table is corrupted and the data cannot be read. In short, the watch is damaged due to some unfathomable problems. Solution The fix is as follows. Find myisamchk under your mysql/bin. Enter at the command line: code show as below Copy code
1. 10 recommended articles about the mysql_stat() function
Introduction: This article summarizes the solutions to MYSQL is marked as crashed and should be repaired. Friends in need can refer to it. Problem analysis: The cause of the error was analyzed. Some netizens said that it was an index error caused by frequent querying and updating of the [data table] table. Because my page was not statically generated, but a dynamic page, I quite agree with this statement. It is also said that the MYSQL database has been damaged for some reason, such as: sudden power outage of the database server,...
2. MYSQL is marked as crashed and should be repaired solution
Introduction: This article summarizes the solution for MYSQL is marked as crashed and should be repaired. Friends in need can refer to it. one time.
3. Solution to "mysqld is dead, but subsys is locked" when installing MYSQL on Red Hat Linux 9
Introduction : I installed MYSQL on Red Hat Linux 9 today, but after service mysql start, the following prompt appears when checking service mysql status: mysqld
4. mysql_stat() queries the MySQL server Current system status
Introduction: mysql tutorial: mysql_stat() queries the current system status definition and usage of the MySQL server. The mysql_stat() function returns the current system status of the MySQL server. If successful, the function returns status. On failure, returns false. Syntax mysql_stat(connection) Parameter description connection can
5. Basic introduction to MySQL database commands
Introduction: The following The article is mainly a detailed analysis of the basics of MySQL database commands. We first start by displaying the basic information of the MySQL database to conduct a detailed analysis of the basics of the MySQL database commands. The following is a description of the specific content of the article. Display basic MySQL information: MySQL status; View variables: showvariableslike'%ver
6. View the default encoding of the MySQL database
Introduction: Check the default encoding of the MySQL database. Use the status command to display the related information of the database. The example is as follows: mysql status; ———— mysql Ver 14.12 Distrib 5.0.77, for Win32 (ia32) Connectionid: 1072 Current database : Currentuser: test@119.119.247.6 SSL: Not in use Usin
Introduction :001 Check the version mysql --version mysql select version(); mysql status; 002 Create a new MySQL user and authorize insert into mysql.user(Host,User,Password) values(localhost,username,password(yourpassword)); GRANT ALL PRIVILEGES ON *.* TO 'username'@'localhost'
Introduction: [shengting @login ~]$ mysql -V mysql Ver 14.7 Distrib 4.1.10a, for redhat-linux-gnu (i686) 2: In mysql: mysql status; The following is the code snippet: mysql status; -------- ------ mysql Ver 14.7 Distrib 4.1.10a, for redhat-linux-gnu (i686) Connection id:
9. The optimal choice of MySQL data types
Introduction: Welcome to the Linux Community Forum and interact with 2 million technical personnel> >Enter 5 rows in set (0.06 sec) mysql status; -------------- mysql Ver 14.14 Distrib 5.5.16, for Linux (i686) using EditLine wrapper Connection id: 1 Current database : information_schema Curre
10. Cannot open mysql on the ubuntu server, please answer online!
Introduction: When querying the status, it prints as follows xxx@r10f17332:~$ service mysql status mysql stop/waiting. When starting, it prints as follows xxx@r10f17332:~$ service mysql start start: Rejected send message, 1 matched rules; type="method_call", sender=":1.114" (uid=121493 pid=29149 comm=&quo
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MySQLBLOBshavelimits:TINYBLOB(255bytes),BLOB(65,535bytes),MEDIUMBLOB(16,777,215bytes),andLONGBLOB(4,294,967,295bytes).TouseBLOBseffectively:1)ConsiderperformanceimpactsandstorelargeBLOBsexternally;2)Managebackupsandreplicationcarefully;3)Usepathsinst

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MySQLoffersvariousstringdatatypes:1)CHARforfixed-lengthstrings,idealforconsistentlengthdatalikecountrycodes;2)VARCHARforvariable-lengthstrings,suitableforfieldslikenames;3)TEXTtypesforlargertext,goodforblogpostsbutcanimpactperformance;4)BINARYandVARB

TomasterMySQLBLOBs,followthesesteps:1)ChoosetheappropriateBLOBtype(TINYBLOB,BLOB,MEDIUMBLOB,LONGBLOB)basedondatasize.2)InsertdatausingLOAD_FILEforefficiency.3)Storefilereferencesinsteadoffilestoimproveperformance.4)UseDUMPFILEtoretrieveandsaveBLOBsco

BlobdatatypesinmysqlareusedforvoringLargebinarydatalikeImagesoraudio.1) Useblobtypes (tinyblobtolongblob) Basedondatasizeneeds. 2) Storeblobsin Perplate Petooptimize Performance.3) ConsidersxterNal Storage Forel Blob Romana DatabasesizerIndimprovebackupupe

ToadduserstoMySQLfromthecommandline,loginasroot,thenuseCREATEUSER'username'@'host'IDENTIFIEDBY'password';tocreateanewuser.GrantpermissionswithGRANTALLPRIVILEGESONdatabase.*TO'username'@'host';anduseFLUSHPRIVILEGES;toapplychanges.Alwaysusestrongpasswo

MySQLofferseightstringdatatypes:CHAR,VARCHAR,BINARY,VARBINARY,BLOB,TEXT,ENUM,andSET.1)CHARisfixed-length,idealforconsistentdatalikecountrycodes.2)VARCHARisvariable-length,efficientforvaryingdatalikenames.3)BINARYandVARBINARYstorebinarydata,similartoC


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