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Home

Technical Articles

Database

phpMyAdmin

How to connect phpMyAdmin to a remote database

Ensure that remote MySQL server enables remote access, modify bind-address to 0.0.0.0, create a user that allows login from the phpMyAdmin server IP and authorizes it, and the firewall opens port 3306; 2. Edit the config.inc.php file in the phpMyAdmin server, add remote database IP and port configuration; 3. It is recommended to encrypt the connection through SSH tunnel or SSL/TLS to ensure security; 4. Restart the web server and access the phpMyAdmin page, use a remote MySQL account to log in to test the connection, and if it fails, check the log, network connectivity and permission settings. Complete the above steps to safely implement phpMyAdmin connection

Aug 02, 2025 am 11:01 AM

遠程數(shù)據(jù)庫

How to find the WordPress database in phpMyAdmin

LogintophpMyAdminviayourhostingcontrolpanelorlocalenvironment.2.Locatethedatabaseintheleft-handsidebar,identifyingitbynamescontainingwp_orcommonpatternslikeuser123_wordpress.3.Confirmit’sthecorrectdatabasebycheckingthewp_optionstableforsiteurlandhome

Aug 02, 2025 am 08:56 AM

How to update phpMyAdmin

Checkyourinstallationmethodtodeterminethecorrectupdateapproach.2.Forpackagemanagerinstallations,usesudoaptupdateandsudoaptupgradephpmyadminorreinstall.3.Formanualupdates,downloadthelatestversionfromphpmyadmin.net,backupyourcurrentinstallationandconfi

Aug 02, 2025 am 06:57 AM

renew

How to create a foreign key in phpMyAdmin

Make sure both tables use the InnoDB engine, MyISAM does not support foreign keys; 2. The referenced column must have an index (such as primary key or unique key); 3. The foreign key column and the data type of the referenced column must be exactly matched (including UNSIGNED, length, etc.); 4. Use the "Structure" tab of phpMyAdmin to add indexes to the foreign key column; 5. Click "Relationship View", select the foreign key column and associate it with the corresponding column of the target table; 6. Set the ONDELETE and ONUPDATE rules and save it; or use SQL statements to add foreign key constraints through ALTERTABLE; 7. If an error is reported, check the engine type, index, data type consistency and existing data integrity. The foreign key will be successfully created after the operation is completed.

Aug 02, 2025 am 06:23 AM

foreign key

How to create a table in phpMyAdmin

OpenphpMyAdminandselectanexistingdatabaseorcreateanewone.2.Enterthetablenameandnumberofcolumns,thenclick“Go”toproceed.3.Defineeachcolumnwithaname,datatype,length,nullsetting,default,andextraoptionslikeAUTO_INCREMENT,ensuringtosetaprimarykey.4.Click“S

Aug 01, 2025 am 05:29 AM

How to delete a database in phpMyAdmin

LogintophpMyAdminusingyourcredentials.2.Selectthetargetdatabasefromtheleft-handsidebar,ensuringit’sthecorrectone.3.Clickthe“Operations”tab,thenscrollto“Dropdatabase(DROP)”andclick“Drop”toconfirmdeletion.4.Alternatively,usetheSQLtabandrunDROPDATABASEy

Aug 01, 2025 am 03:31 AM

How to clear cache in phpMyAdmin

To clear the cache in phpMyAdmin, you need to process the browser, MySQL server and phpMyAdmin's own cache separately: 1. Clear the browser cache and perform hard refresh (Ctrl Shift R or Cmd Shift R); 2. Execute FLUSHTABLES in the SQL tag of phpMyAdmin; and FLUSHSTATUS; (MySQL8.0 does not support query cache); 3. Log out and delete phpMyAdmin related cookies (such as pma_user_config, phpMyAdmin, etc.) and log in again; 4. If you have permission, restart MySQL service (such as sudosystemct

Aug 01, 2025 am 03:20 AM

How to change a column type in phpMyAdmin

To change the column type in phpMyAdmin, you need to be careful to avoid data loss. First, find the target column in the Structure tab, click "Change" to enter the editing page, then select the new data type in the "Type" drop-down menu and adjust the length and other parameters. After confirming that the settings are correct, click "Save" to complete the changes. 1. Open the structure view of the table, 2. Click the "Change" link of the column, 3. Modify the data type and related attributes, 4. Save changes, be sure to back up the data in advance, check the index or foreign key dependencies, and test in the development environment to prevent data truncation or application errors due to type incompatibility.

Jul 31, 2025 am 03:39 AM

How to reset WordPress password using phpMyAdmin

AccessphpMyAdminthroughyourhostingcontrolpanel(e.g.,cPanel)andopenyourWordPressdatabase.2.Locatetheuserstable(typicallywp_users,butprefixmayvary)andclicktoviewitsdata.3.Findyouradminuser,click"Edit",enteranewpasswordintheuser_passfield,sele

Jul 31, 2025 am 02:48 AM

How to check for duplicate entries in phpMyAdmin

To find duplicate entries in phpMyAdmin, first use GROUPBY and HAVINGCOUNT()>1 to query; 1. Determine the columns that check duplicates, such as email; 2. Execute SELECTemail, COUNT() ascountFROMusersGROUPBYemailHAVINGcount>1 to list duplicate values; 3. If you judge duplicates based on multiple columns (such as first_name and last_name), use GROUPBYfirst_name, last_name; 4. For ease of cleaning, you can display duplicate row IDs in combination with subqueries and window functions, such as SELECTid, em

Jul 31, 2025 am 02:39 AM

How do I enable or configure two-factor authentication (2FA) for phpMyAdmin?

Enable two-factor authentication (2FA) for phpMyAdmin can be achieved through three main methods: 1. Use Apache authentication combined with Google Authenticator to add system-level 2FA before accessing the phpMyAdmin login interface; 2. Use third-party plug-ins such as phpmyadmin-two-factor to implement TOTP-based 2FA within phpMyAdmin; 3. Use external authentication methods such as LDAP or Active Directory, and superimpose 2FA on it. Each method requires corresponding configuration, such as installing libpam-google-authenticator and modifying Apache

Jul 31, 2025 am 01:57 AM

Two-factor authentication

How to change database collation in phpMyAdmin

TochangethedatabasecollationinphpMyAdmin,loginandselectyourdatabasefromtheleftpanel.2.Clickthe"Operations"tab,setthedesiredcollation(e.g.,utf8mb4_unicode_ci)intheCollationdropdown,andclick"Go"toupdatethedatabase'sdefaultcollation.

Jul 30, 2025 am 02:45 AM

How to use triggers in phpMyAdmin

TriggersinphpMyAdminautomaticallyexecuteSQLinresponsetoINSERT,UPDATE,orDELETEeventsonatable,eitherBEFOREorAFTERtheevent.2.Tocreateatrigger,selectthetable,gototheTriggerstab,clickAdd,specifythetriggername,time(BEFORE/AFTER),event(INSERT/UPDATE/DELETE)

Jul 30, 2025 am 02:16 AM

trigger

What are the steps to insert a new row of data into a table via phpMyAdmin?

ToinsertanewrowintoatableusingphpMyAdmin,openthetargettable,usetheInserttabtofillinfields,andsubmitthenewrow.1.LogintophpMyAdmin,selectthecorrectdatabase,andclickonthetargettable.2.ClicktheInserttabatthetoptoopenthedataentryform.3.Fillineachfieldwith

Jul 30, 2025 am 12:36 AM

Data insertion