How to delete query data in Navicat database
If you want to use navicat to delete the queried data, you can directly replace the select statement of the query with the delete statement, and replace the conditions of the query statement with the conditions of the delete statement.
Recommended tutorial: navicat graphic tutorial
##DELETE statement
The DELETE statement is used to delete rows from a table.Syntax
DELETE FROM table name WHERE column name = value
FirstName | Address | City | |
---|---|---|---|
Bill | Xuanwumen 10 | Beijing | |
Fred | Zhongshan 23 | Nanjing |
Delete a row
"Fred Wilson" will be deleted:DELETE FROM Person WHERE LastName = 'Wilson'
FirstName | Address | City | |
---|---|---|---|
Bill | Xuanwumen 10 | Beijing |
You can delete all rows without deleting the table. This means that the structure, attributes and indexes of the table are complete:
DELETE FROM table_name
DELETE * FROM table_name
The above is the detailed content of How to delete query data in Navicat database. For more information, please follow other related articles on the PHP Chinese website!

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

Navicat Keygen Patch is a key generator that activates Navicat Premium, allowing you to use the full functionality of the software without purchasing a license. How to use: 1) Download and install Keygen Patch; 2) Start Navicat Premium; 3) Generate the serial number and activation code; 4) Copy the key; 5) Activate Navicat Premium, and Navicat Premium can be activated.

How to check if Navicat is activated: View the Registration Information section in the "About Navicat" of the Help menu: Activated: Show valid registration information (name, organization, expiration date) Not activated: Show "Not Registered" or "Register Information Not Available" Check the activation icon in the toolbar: The green icon indicates that the active observation trial period countdown: The trial version will show the countdown at startup, the activated version will not view feature limitations: The trial version may limit advanced features, and the activated version will unlock all functions

How to import SQL files using Navicat? Open Navicat and connect to the database. Open the SQL Editor. Import SQL files. Set import options (optional). Perform import. Check the import results.

The following steps can be used to resolve the problem that Navicat cannot connect to the database: Check the server connection, make sure the server is running, address and port correctly, and the firewall allows connections. Verify the login information and confirm that the user name, password and permissions are correct. Check network connections and troubleshoot network problems such as router or firewall failures. Disable SSL connections, which may not be supported by some servers. Check the database version to make sure the Navicat version is compatible with the target database. Adjust the connection timeout, and for remote or slower connections, increase the connection timeout timeout. Other workarounds, if the above steps are not working, you can try restarting the software, using a different connection driver, or consulting the database administrator or official Navicat support.

Steps to perform SQL in Navicat: Connect to the database. Create a SQL Editor window. Write SQL queries or scripts. Click the Run button to execute a query or script. View the results (if the query is executed).

Navicat provides rollback functionality to undo database changes. The rollback steps are as follows: Connect the database to expand the database to be rolled back in the object browser. Right-click the table and select "Rolleepback" to select the rollback time point. Click "OK"

Export query results with Navicat can be performed step by step: 1. Select the data to export 2. Select the export format: CSV, Excel, XML, or JSON 3. Configure the export options: Select columns, separators, and filters 4. Select the save location 5. Start exporting 6. Verify the results

You can use Navicat to create a stored procedure, the steps are as follows: Open the database object list and expand the "Procedures" node. Right-click the Procedures node and select Create Procedure. Enter the stored procedure name and body and set the parameters (if required). Select Compile in the File menu to compile the stored procedure. By executing a query or using "E in the "Procedures" list
