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Home

Technical Articles

Database

phpMyAdmin

phpMyAdmin revoke privileges from a user

LogintophpMyAdminwithadministrativeprivileges.2.Gotothe"Useraccounts"tabandlocatethetargetuser.3.Click"Editprivileges"nexttotheusername.4.Intheappropriatetab(Global,Database,Table),unchecktheprivilegestorevoke.5.Forcompleteremoval

Aug 14, 2025 pm 02:49 PM

Permission revocation

How to perform a search and replace in phpMyAdmin

AlwaysbackupyourdatabaseinphpMyAdminbyselectingthedatabase,clickingExport,choosingQuickorCustom,andclickingGo.2.UsetheUPDATEandREPLACE()SQLfunctionstosearchandreplacetextwiththesyntax:UPDATEtable_nameSETcolumn_name=REPLACE(column_name,'search_string'

Aug 14, 2025 pm 02:47 PM

Search for replacement

How to run SQL query in phpMyAdmin

AccessphpMyAdminbynavigatingtoitsURLandloggingin.2.Selectadatabasefromtheleft-handpanel.3.Clickthe"SQL"tabatthetopofthepage.4.TypeorpasteyourSQLqueryintothetextbox.5.Click"Go"toexecutethequeryandviewresultsorerrormessages.6.Useopt

Aug 14, 2025 am 11:22 AM

phpMyAdmin synchronizing databases

ExportthesourcedatabasestructureanddatausingtheExporttabinphpMyAdmin,ensuringDROPandIFNOTEXISTSoptionsaresetasneeded.2.ImportthegeneratedSQLfileintothetargetdatabaseviatheImporttab,takingcaretobackupthetargetfirsttopreventdataloss.3.Somecustomizedver

Aug 14, 2025 am 11:10 AM

How to change phpMyAdmin theme

CheckifphpMyAdminsupportsthemesbylookingfora"Themes"optionnearthelogo;ifvisible,clickittoaccessthethemeselector.2.ChangethethemeviathewebinterfacebyselectingfromavailableoptionslikeOriginal,PMASA,orMetro,withthechoicesavedincookies.3.IftheT

Aug 13, 2025 am 06:26 AM

phpMyAdmin export to JSON

phpMyAdmin does not directly support JSON export, but can be implemented through the following methods: 1. Use SQL query to generate JSON (recommended), use JSON_OBJECT() and JSON_ARRAYAGG() functions to directly query and export to JSON strings in MySQL5.7. Pay attention to adjusting the maximum display length of phpMyAdmin to prevent truncation; 2. Modify the phpMyAdmin configuration or use plug-ins (not recommended). Although feasible, there are security risks and upgrades are prone to failure; 3. Use PHP scripts to export (strongly recommended), connect to the database by writing a simple PHP script and call json_encode() to output JSON, which is flexible and controllable, suitable for frequent operation.

Aug 13, 2025 am 05:49 AM

java programming

phpMyAdmin import SQL file

ToimportanSQLfileintophpMyAdmin,firstaccessphpMyAdminandselectorcreatethetargetdatabase,thenclickthe"Import"tab,choosetheSQLfile,ensuretheformatissettoSQL,andclick"Go"toexecutetheimport;commonissuesincludefilesizelimits—resolvebyi

Aug 13, 2025 am 01:41 AM

How to secure your phpMyAdmin installation

To effectively protect phpMyAdmin, multiple layers of security measures must be taken: 1. Modify the default access path, rename the directory to a random and unguessable name, or hide the real path with symbolic links; 2. Restrict access through IP addresses, only trusted IPs (such as 192.168.1.100 and 203.0.113.50) are allowed to access in Apache or Nginx configurations, and all other requests are denied; 3. Force HTTPS, configure SSL certificates on the server, and set $cfg['ForceSSL']=true in config.inc.php of phpMyAdmin to ensure that all communications are encrypted; 4. Use strong authentication and avoid using root

Aug 13, 2025 am 01:05 AM

How to add a primary key to a table in phpMyAdmin

ToaddaprimarykeywhencreatinganewtableinphpMyAdmin,entercolumndetails,checktheA_Iboxforauto-incrementifneeded,andselectthePrimarycheckboxunderIndex,thensave.2.Foranexistingtable,selectthedesiredcolumn,clickthe"Primary"linkunder"Withsele

Aug 12, 2025 am 04:01 AM

phpMyAdmin server status overview

ThephpMyAdminServerStatusOverviewprovidesreal-timeinsightsintoMySQL/MariaDBperformance,withkeysections:1.LoadMonitoringshowingCPU,memoryusage,anduptime;2.Connectionsdisplayingmaxconcurrent,total,andabortedconnections;3.NetworkTrafficindicatingbytesse

Aug 12, 2025 am 03:00 AM

How to import database in phpMyAdmin

To import a database, first log in to phpMyAdmin, select or create a database, click the "Import" tab, select the SQL file and click "Go" to complete the import; 1. Log in to phpMyAdmin (such as http://localhost/phpmyadmin); 2. Optional: Click "Database", enter the name and select the collation (such as utf8mb4_unicode_ci), and create a new database; 3. Select the target database on the left; 4. Click the "Import" tab at the top; 5. Click "Select File" to upload the .sql or .sql.gz file; 6. Confirm the format is SQL, keep the default settings, and click "Go" to start importing; for large files, you can compress

Aug 12, 2025 am 02:50 AM

phpMyAdmin migrating a database

To use phpMyAdmin to migrate the database, first export the original database and import it to the target server, and finally update the application configuration. 1. Select the "Custom" mode when exporting, check the options "Add DROP", "Add CREATEDATABASE", "Including backticks" and other options to ensure that the complete SQL script is generated; 2. After the target server creates a database of the same name, upload the SQL file through the "Import" function. If the file is too large, adjust the PHP upload restrictions or use the compressed format; 3. Update the database name, user name, password and host information in the application configuration file, and modify the absolute path such as WordPress siteurl and home; 4. Check the table data integrity, user permissions and test the application connection

Aug 12, 2025 am 02:15 AM

php java

How to use variables in phpMyAdmin query

UseMySQLuser-definedvariables(e.g.,@variable)tostoreandreusevaluesinphpMyAdmin;2.RunmultiplestatementstogetherinoneSQLwindowwithsemicolons,ensuring"Allowmultiplequeries"isenabled;3.Optionallyusevariablesinpreparedstatementsfordynamicqueries

Aug 11, 2025 am 10:43 AM

variable

phpMyAdmin set a primary key

TosetaprimarykeyinphpMyAdmin,firstdetermineifyou'recreatinganewtableormodifyinganexistingone.1.Whencreatingatable,entercolumndetailsandcheckthe"Primary"checkboxforthedesiredcolumn,optionallyenabling"A_I"forauto-increment.2.Foranex

Aug 11, 2025 am 10:33 AM