Common methods for connecting to MYSQL database with PHP

After configuring a Xiaoniao cloud server and deploying a PHP environment, what are the common methods for connecting to a MYSQL database?

想无 2021-09-07 13:56:33 0  3  1111

SMProxy, a MySQL database connection pool developed by Swoole based on the MySQL protocol.

SMProxySwoole MySQL Proxy is a MySQL database connection pool developed by Swoole based on the MySQL protocol. The principle is to store the database connection as an object in the memory. When the user needs to access the database, the connection will be established for the first time. Later, inste...

子山 2019-01-29 14:50:17 0  0  1373

Connect dokku MySQL using a database GUI such as Sequel Ace or Sequel Pro

I installed dokku with MySQL. I'm trying to figure out how to connect a MySQL database in dokku to a database GUI like Sequlace or Sequelpro. I've created a database and linked it to my (Laravel) application and it works great! But I don't know which username/password/host I need to fill in in seque...

P粉792673958 2024-03-27 23:38:57 0  1  495

Error while connecting to MySQL database on Hasura Cloud

I'm using Hasura cloud environment. For the MySQL database, I am using MySQLWorkbench and created a database. I want to use this database in Hasura environment. MySQL server runs on port 3306. My JDBC connection string is: jdbc:mysql://localhost:3306/employees?user=admin&password=password@123 Af...

P粉296080076 2023-08-15 10:54:43 0  1  487

javascript - Some questions about using the mysql module to connect to the database

Look at the example code like this; {code...} It feels like it should be like the following {code...} It feels like the database connection should be closed in the callback of the query. If it is written like the first way, the query Isn't it inappropriate to close the database before it's over? Int...

PHP中文网 2017-05-16 13:37:28 0  1  430

Unable to establish external connection to MySQL/MariaDB database

I'm trying to connect a MariaDB client (DBeaver) to my database from my home computer. The IP address/host, port, username and password connection details are correct. I am able to ping the host. The host is active. I can access the database locally on the server. I've set up phpMyAdmin for this sit...

P粉685757239 2024-03-31 23:39:43 0  1  477

What is the best way to connect Flutter with a MySQL database?

How to connect Flutter to a MySQL database is the best way, is it safe to put the connection string in it, and what do I need to set up this approach? Note that I prefer to use C# for the connection script. I tried MySQLpackage1 but found it to be insecure.

P粉277464743 2023-08-16 17:38:23 0  1  666

Connect to a local MySQL Workbench database using sqlplus

I'm trying to learn the PL/SQL language. On my Mac laptop (macOS Monterey, M1) I have the following setup: MySQL Workbench running a test database and installing SQL*Plus in the terminal My question: How do I connect to a local MySQL Workbench database via sqlplus? I think I need a user/password and...

P粉787934476 2024-03-28 21:56:02 0  1  377

tp5.1 Why does it sometimes show that the database cannot be found when connecting to mysql in the php toolbox, but sometimes the connection is successful?

tp5.1 Why does it sometimes show that the database cannot be found when connecting to mysql in the php toolbox, and sometimes it can connect successfully. The error display is the page that often appears. When it succeeds, it can connect to the database successfully, and the data inside can be read....

对方正在输入。。。 2018-11-29 10:34:13 0  0  993

Solve the problem of operation error when pythonanywhere connects to MySQL database

I have finished my django project and I want to test it on PythonAnywhere, everything was fine until the mysql database connection showed an error to which I have paid subscription. An operation error occurred on /home/ (1044, "Access to database 'almx98' for user 'almx98'@'%' is denied") ...

P粉459440991 2024-03-31 22:43:19 0  1  571

Database operation to obtain a single result: use mysqli to connect to the database

I'm trying to use mySQLi for the first time. In the case of a loop, I've done this. The results of the loop show up, but when I try to show a single record it gets stuck. Here is the working loop code. <?php//Connect to the database $hostname="localhost";$database="mydbname&quo...

P粉111227898 2023-08-21 22:59:04 0  2  574

Why do some mysql connections select old data of mysql database after delete+insert?

I have a problem with sessions in my python/wsgiweb application. Each thread in the 2 wsgi daemons has a different, persistent mysqldb connection. Sometimes, after deleting the old session and creating a new one, some connections still get the old session in the selection, meaning they fail to authe...

P粉882357979 2023-10-30 12:37:20 0  2  823

Running docker-compose with MySQL in SpringBoot: Database not connected to Spring application

I have a microservice (product service) in SpringBoot and a database in MySQL and want to run my application in Docker I can run the service locally without any errors. But when I start Docker (docker-composeup --build), it shows some connection errors. I have my code shown in application.properties...

P粉323224129 2023-08-30 12:33:00 0  1  578

I refresh the PHP page directly and can delete the numeric fields in the MYSQL database, but cannot delete the letter or URL fields?

I directly refresh the PHP page and can delete the numeric fields in the MYSQL database, but I cannot delete the letter or URL fields.

我就是我 2018-05-14 11:49:58 0  1  2199

How to connect to mysql on SSH server with PHP?

Similar to Navicat for Mysql, I need to connect to the database on the SSH server to execute SQL. May I?

Ellen 2021-12-13 15:07:23 0  1  902

PHP connection failed: SQLSTATE connection refused

I'm trying to use PHP connection to connect to a MySQL database on phpmyadmin. Nothing special about the connection, just wanted to see if the connection was successful. I'm using MAMP to host the database and the connection I'm trying to use is this: <?php$servername="127.0.0.1";$u...

P粉068510991 2023-08-23 18:49:26 0  2  626

About linking the database before using the model in tp5

It is known that the model in tp5 can automatically associate a data table, provided that the database where the table is located has been connected. Please tell me, in addition to configuring the database information in database.php, can I connect to the database in the model file? If so, in Do you...

phpcn_u187094 2018-05-02 09:29:38 0  1  955

The oci_parse() method returns null parsing method

I want to create a class that connects to an ORACLE database using some OCI methods. But when I call the Parse() method it is null and my FetchArray() method returns nothing Database PHP class: classDatabase{/***@varstring*/privatestring$login;/***@varstring*/ privatestring$password;/***@varstring*/...

P粉043432210 2024-01-29 13:46:11 0  1  429

PDO's automatic submission function is enabled on MySQL with autocommit turned off

I've just been assigned a codebase that uses traditional PHP and the library works without using PDO. The connection is made using the following mode: //Connect to the MySQL database $con = new mysqli($host, $user, $password, $database);//Check the connection if ($con->connect_error) {die(\"...

P粉011912640 2023-08-08 15:23:46 0  1  500

tp5 can connect to the sql server database, but the data submitted by the form cannot be written to the database. What's going on?

tp5 can connect to the sql server database, but the data submitted by the form cannot be written to the database; but it can be replaced with a MySQL database.

孙博 2018-04-09 15:28:53 0  1  1240