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Technical Articles

Database

navicat

How to view active queries running on the server?

To view the currently running queries on the server, you can use the corresponding commands according to different database systems. 1. Use SHOWPROCESSLIST in MySQL or query the information_schema.processlist table and add the WHERECommand!='Sleep' condition. PerformanceSchema can also be used in version 5.7 and above. 2. In PostgreSQL, you can filter records with state='active' by querying the pg_stat_activity view, or enable pg_stat_statements to extend analysis history query. 3.Use s in SQLServer

Aug 17, 2025 am 02:15 AM

How Do I Troubleshoot Navicat Connection Errors?

TotroubleshootNavicatconnectionerrors,startbycheckingbasicconnectionparameters,thenaddressnetwork,firewall,server-side,andNavicat-specificissues:1)Verifyserveraddress,port,username,andpassword;2)Checknetworkconnectivityandfirewallsettings;3)Ensurecor

Aug 16, 2025 am 09:23 AM

How to test SSH connection before connecting?

Use ssh-v to view the detailed connection process, and you can find connection stuttering stage, key problems or authentication failures; 2. Use nc-zv or nmap to check whether the SSH port is open and confirm the status of the network and firewall; 3. Use ssh-G to check the configuration file syntax errors to avoid connection failures due to spelling or path problems; 4. Simple test whether the target host is online through ping. Although it cannot fully represent SSH connectivity, it can be used as a preliminary reference. These methods can quickly troubleshoot common SSH problems before formal connection, saving troubleshooting time.

Aug 16, 2025 am 07:55 AM

What scripting languages does Navicat support for automation?

NavicatsupportsautomationthroughJavaScript,Python,andVBScript.1.JavaScriptisnativelysupported,especiallyinpremiumeditions,enablingdirectdatabaseinteraction,logic-baseddatamanipulation,andscheduledtasks.2.Pythonintegrationisachievedexternally,allowing

Aug 16, 2025 am 04:18 AM

How to use the Query Builder in Navicat?

Navicat's QueryBuilder is a visualization tool for building SQL queries through a graphical interface. The usage method is as follows: 1. Open QueryBuilder to select or switch the existing query window by creating a new query, right-clicking the table; 2. Add a table and establish an association, and set the JOIN type by dragging the fields; 3. Set query fields and filtering conditions, such as selecting display fields, setting alias and WHERE conditions; 4. View the generated SQL statements and execute or modify them. Proficient in using it can improve query efficiency and help learn SQL syntax.

Aug 16, 2025 am 02:36 AM

How to save Query Builder diagrams?

The key to saving a QueryBuilder chart is to confirm the tool type and select the appropriate export method. 1. First, confirm whether you are using desktop software (such as MySQLWorkbench, DBeaver) or online tools (such as dbdiagram.io). The former supports exporting pictures or structure files, while the latter usually provides the "export" button; 2. Common methods include screenshots and exporting to PNG/SVG, SQL scripts or JSON/XML formats. It is recommended to select editable formats based on the purpose for subsequent modifications; 3. Online tools often support automatic cloud archives and multi-person collaboration, but you need to pay attention to privacy settings; 4. Details that are easy to ignore include export paths, format options, version compatibility and team unified formats to avoid

Aug 15, 2025 am 05:49 AM

diagrams

What is the Model tool in Navicat used for?

TheModeltoolinNavicatisprimarilyusedforvisualdatabasedesignandmodeling.1.Itenablesuserstocreate,edit,andmanagedatabasestructuresgraphically.2.Userscandraganddroptables,definecolumns,setdatatypes,andaddconstraintslikeprimarykeysandindexesvisually.3.Th

Aug 15, 2025 am 05:24 AM

navicat 數據庫建模

How to save a query for later use in Navicat?

There are three ways to save queries in Navicat, namely, save them through the "Query Creator", save them using "SQL Files", and add commonly used queries to "Favorites". First, when using the query creator, click "Save" or "Save As". After entering a name, the query will be automatically saved to the "Query" list under the current database connection; second, for complex queries or version management, you can click File → Save As → Select the local path to save as .sql file for easy backup, sharing and cross-device use; finally, click the "Add to Favorites" icon for common queries to quickly access in "Favorites" on the left to improve efficiency.

Aug 15, 2025 am 05:22 AM

How to execute a stored procedure in Navicat?

The steps to execute stored procedures in Navicat are as follows: 1. Open the stored procedure editing interface, find the target SP and double-click to open the definition window; 2. Use the "Run" button or the right-click menu to execute, and press the prompts to enter when there are parameters and pay attention to type matching; 3. Check the query output, return value or multiple result sets in the result panel; 4. Check the user permissions first when encountering problems, or try to write CALL statements manually to debug. The entire process is intuitive but attention should be paid to the details of transmission and permissions.

Aug 15, 2025 am 02:33 AM

navicat stored procedure

How to alter a database view in Navicat?

TochangeadatabaseviewinNavicat,firstopentheViewDesignerbydouble-clickingtheview,thenmodifytheviewlogiceithervisuallyintheFieldstabormanuallyintheSQLtab,andfinallysavechangeswhileensuringSQLvalidityandcheckingfordependencies.1.OpentheViewDesignerviath

Aug 14, 2025 am 11:04 AM

How to connect using GSSAPI authentication?

ToconnectviaGSSAPIauthentication,ensureserversupportbycheckingsshd_configforGSSAPIAuthenticationyes.Next,setupyourlocalenvironmentwithaKerberosticketandnecessarySSHpackages.ThenconfigureSSHtouseGSSAPIvia~/.ssh/configorcommand-lineoptions.Finally,trou

Aug 14, 2025 am 10:52 AM

Can I schedule data imports using Navicat?

Yes,youcanscheduledataimportsusingNavicatbycreatingimportprofilesandsettingschedules.1.UsetheImportWizardtocreateaprofileforformatslikeCSV,Excel,orJSON.2.Right-clickthesavedprofileandselectScheduletodefinefrequencyandtime.3.Ensurethemachineisonatsche

Aug 14, 2025 am 10:50 AM

Navicat Alternatives: Which has better support?

DBeaver,HeidiSQL,andDataGriparetopNavicatalternativeswithsuperiorsupport.1)DBeaveroffersrobust,community-drivensupportforvariousdatabases.2)HeidiSQLprovidesdirectdevelopersupport,idealforMySQLandMariaDB.3)DataGripbyJetBrainsoffersprofessionalsupporta

Aug 13, 2025 am 05:34 AM

How to run a Synchronization job from the command line?

Synchronous tasks can be run through the command line by finding the tool's CLI command and configuring parameters to execute. 1. Confirm whether the synchronization tool used supports command line mode, such as rsync, robocopy, Syncthing, etc., and check the document to understand how to use it; 2. Specify parameters such as source path, target path, synchronization mode, and exclusion rules, such as rsync-avz--exclude='*.tmp'/path/to/source/user@remote:/path/to/destination/; 3. Write commands to the script file, give execution permissions, and can be manually run or set as timing tasks and system startup items; 4. Pay attention to the correctness of the path and user

Aug 13, 2025 am 04:50 AM