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Technical Articles

Database

phpMyAdmin

How to install phpMyAdmin on Ubuntu

Updatethesystemusingsudoaptupdateandoptionallyupgradepackages.2.InstallphpMyAdminwithsudoaptinstallphpmyadmin,selectingapache2asthewebserverandconfiguringthedatabasewithastrongpassword.3.EnabletheApacherewritemoduleusingsudoa2enmodrewriteandrestartAp

Jul 29, 2025 am 01:49 AM

How to use the designer feature in phpMyAdmin

First, make sure that the Designer function of phpMyAdmin is enabled and the control database and related tables are configured; then enter the design interface by selecting the database and clicking the "Designer" tab, add the required tables to the canvas and adjust the layout; then set foreign key relationships in "Relationview" and select constraint rules; multiple pages can be created to manage complex structures; finally save the layout and edit or delete the relationship by clicking on the link. The InnoDB engine must be used, and the actual foreign key modification must be done in the Relationview. Designer is only used for visualization. This function helps to intuitively manage database relationship structure, especially for team collaboration and architecture review, and requires environmental support for complete use.

Jul 29, 2025 am 01:37 AM

Database Design

How to import a database in phpMyAdmin

LogintophpMyAdminviayourhostingcontrolpanelorlocalserver.2.Optionallycreateanewdatabasebyclicking"Databases",enteringaname,andclicking"Create".3.Selectthetargetdatabasefromtheleft-handsidebar.4.Clickthe"Import"tabattheto

Jul 29, 2025 am 12:33 AM

phpMyAdmin login not working

First check whether the login credentials are correct. Usually, the default user name in the local environment is root and the password is empty; then confirm that the auth_type, host and user permissions are set in the phpMyAdmin configuration file config.inc.php; then check the MySQL user authentication method. If you use caching_sha2_password, change it to mysql_native_password; ensure that the web server is running normally and enable the necessary PHP extensions; clear the browser cache or try traceless mode; reconfigure or reinstall phpMyAdmin if necessary. Most problems can be solved through gradual investigation and no need to completely reinstall.

Jul 29, 2025 am 12:11 AM

How to create a database in phpMyAdmin

AccessphpMyAdminbynavigatingtohttp://localhost/phpmyadminorviayourhostingcontrolpanelandloginusingyourcredentials.2.Clickthe"Databases"tab,enteradatabasenamelikemy_website_db,selectutf8mb4_unicode_ciasthecollationforfullUnicodesupport,andcl

Jul 28, 2025 am 02:18 AM

How to fix 'The mysqli extension is missing' in phpMyAdmin

InstallorenablethemysqliPHPextensionusingpackagemanagerslikeapt,yum,ordnfonLinux,orbyuncommentingextension=mysqliinphp.inionWindows.2.VerifyPHPconfigurationbycreatingaphpinfo()filetoconfirmmysqliisloadedandcheckthecorrectphp.iniisused.3.Ensurethewebs

Jul 28, 2025 am 02:00 AM

How to change the root password in phpMyAdmin

TochangetherootpasswordinphpMyAdmin,executeALTERUSER'root'@'localhost'IDENTIFIEDBY'your_new_password';intheSQLtabafterloggingin,ensuringyouupdatethepasswordforallrelevanthostslike'root'@'127.0.0.1'ifpresent.2.IfphpMyAdminusesconfigauthentication,upda

Jul 28, 2025 am 01:25 AM

root password

What is the default username and password for phpMyAdmin?

phpMyAdminhasnodefaultusernameorpassword;itusesMySQL/MariaDBcredentials.1.Commonlocalsetupdefaults:XAMPP/WAMP–rootwithnopassword;MAMP–root/rootornopassword.2.OnLinuxLAMP,rootmayusesocketauthentication,requiringmanualpasswordsetupordedicatedusercreati

Jul 28, 2025 am 12:34 AM

How to change table engine in phpMyAdmin

Backupthetablebeforechangingthestorageenginetopreventdataloss.2.LogintophpMyAdmin,selectthetargetdatabaseandtable.3.Clickthe"Operations"tabandlocatethe"Storageengine"dropdownunder"Tableoptions".4.Choosethedesiredengine(e

Jul 27, 2025 am 03:10 AM

How to run a stored procedure in phpMyAdmin

FirstconfirmthestoredprocedureexistsbyselectingyourdatabaseinphpMyAdminandcheckingtheRoutinestab.2.ExecutetheprocedureusingtheSQLtabbyenteringaCALLstatementsuchasCALLprocedure_name();orCALLprocedure_name('param1',2,'2024-01-01');forprocedureswithpara

Jul 27, 2025 am 01:44 AM

How to find phpMyAdmin config file

ThephpMyAdminconfigurationfileconfig.inc.phpistypicallylocatedat/etc/phpmyadmin/config.inc.phponDebian/Ubuntusystemsinstalledviapackagemanager,orwithintheweb-accessiblephpMyAdmindirectoryifmanuallyinstalled;2.Youcanlocateitusingsudofind/-name"co

Jul 27, 2025 am 01:12 AM

Configuration file

How to optimize a table in phpMyAdmin

TooptimizeatableinphpMyAdmin,loginandselectthedesireddatabaseandtable.2.Clickthe"Operations"tab,goto"Tablemaintenance,"andclick"Optimizetable,"orusethe"Withselected"dropdownandchoose"Optimizetable."3.

Jul 27, 2025 am 01:11 AM

Database optimization

phpMyAdmin token mismatch error

Clear browser cache and cookies to ensure that the storage data related to phpMyAdmin is deleted; 2. Check the PHP session storage path permissions to ensure that the session.save_path directory exists and that the web server user has read and write permissions; 3. Set a fixed blowfish_secret key in config.inc.php to avoid session failure due to key changes; 4. Close multiple phpMyAdmin tabs or instances to prevent cookies and token conflicts; 5. Ensure the server time is accurate, and enable NTP synchronization to prevent session failure due to time deviation; 6. Upgrade phpMyAdmin to the latest stable version if necessary.

Jul 26, 2025 am 02:34 AM

How to find phpMyAdmin in cPanel

LogintoyourcPaneldashboard.2.Locatethe"Databases"section,typicallyfoundinthemaininterface.3.FindandclickthephpMyAdminicon,usuallylabeledwithadatabaseorMySQLlogo.4.UsethesearchbaratthetopofcPanelifphpMyAdminisnotvisible,typing"phpMyAdmi

Jul 26, 2025 am 01:46 AM

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