How to create a new database connection in Navicat?
Jul 07, 2025 am 12:01 AMTo create a new database connection in Navicat, it is actually not difficult. The key is to fill in a few key information. As long as you have the database address, port, account number and password, you can basically do it.
The following are a few steps to explain how to operate, which is suitable for users who use Navicat for the first time.
Basic steps to create a new connection
After opening the Navicat main interface, click the "New Connection" button. Next, a window will pop up to let you choose the database type, such as MySQL, PostgreSQL, SQL Server, etc. After selecting the right type, start filling in the connection information.
The main contents that need to be filled in include:
- Connection name : Give yourself an easy-to-recognize name, such as "local test library" or "production environment"
- Host name/IP address : The address of the database server. If it is localhost, you can write localhost or 127.0.0.1.
- Port : The default port is usually 3306 (MySQL), other types of databases may be different
- Username & Password : Account number and password to connect to the database
- Database name (optional): If you want to connect to a specific database, you can fill it in here
After filling in, click "Test Connection" and if the prompt is successful, you can save it.
Frequently Asked Questions and Notes
Sometimes you have clearly filled in the information correctly but can't connect to the database. At this time, you can check it from these aspects:
- Is the database service started? Especially the local development environment
- Is remote access allowed? Especially for databases on cloud servers, whitelists or firewall rules may be required
- Is the port number correct? Some databases do not use the default port
- Are user permissions sufficient? Make sure this account can be connected from your IP address
If you are connecting to a remote database, you should also confirm whether the network is open, such as using ping
or telnet
to test whether the IP and port can be opened.
Use SSH tunnel connections to be more secure
Sometimes for security reasons, the database is not directly exposed to the outside world. At this time, Navicat's SSH tunnel function can be used to connect.
The specific method is to check "Use SSH Tunnel" in the connection settings, and then fill in the information of the springboard machine, including:
- SSH hostname
- SSH port (usually 22)
- Log in to username and password or private key file
In this way, the database connection will be carried out through the encrypted channel, making it more secure. However, this is usually only needed in formal environments, and local development is usually not required.
Basically these are the operations. Navicat's interface is quite intuitive. As long as you pay attention to filling in key information, you can connect smoothly in most situations. When encountering problems, check the error prompts more frequently, and then combine them with the common causes mentioned above to solve them quickly.
The above is the detailed content of How to create a new database connection in Navicat?. For more information, please follow other related articles on the PHP Chinese website!

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