Questions tagged as 'mysql'

Tagged questions
3
answers

MySQL Workbench or Community?

Apparently the Community brings everything, things that surely I will never use. I just want to be able to create and work with database and Eclipse. What should I install to create a database and achieve the connection with Eclipse ?. Only t...
asked by 12.01.2017 / 14:55
1
answer

Because when I get syntax error when doing INSERT INTO in mysql?

This is the function in php that I use to insert data in my users table <?php include 'includes/conexion.php'; $usuario = $_POST["usuario"]; $contraseña = $_POST["contraseña"]; $consulta = "INSERT INTO usuarios (id_usuario, nombre_usuario,...
asked by 23.04.2018 / 04:02
1
answer

How to delete a record when a specific date arrives?

Greetings again, I explain my case, I have in a table available courses that are going or are currently being taught each course with their specific data between them start date and end date, what I'm thinking of doing is that upon arrival the f...
asked by 26.08.2017 / 19:23
1
answer

Problem with php Error [closed]

I get this error in PHP Warning: mysqli_fetch_array() expects parameter 1 to be mysqli_result, boolean given inC:\xampp\htdocs\androide_datos\listar.php on line 12 {"frutas":[]} So I should get out: {"frutas":[{"id":"48","nombre":"man...
asked by 20.11.2017 / 14:52
1
answer

How to graph MySQL data in android Kotlin?

How can I create a kotlin android graphic using PHP to query the data stored in MySQL on an External server? Someone has an example. Thanks     
asked by 14.10.2018 / 15:16
2
answers

When is a connection established with the DB?

I am learning a bit about JDBC and MySQL and I had a question when connecting to the database, and it is knowing at what moment the connection to it is "opened". When is the Connection object instantiated?.    Connection with = DriverMan...
asked by 09.10.2018 / 21:46
2
answers

Problem with query in mysql

I have a situation and I need someone to help me with a query. I have 2 tables, one called User (this saves all the users that log in the system, both doctors and patients) and another Doctor-Patient with 2 fields, one is the id of the patient a...
asked by 26.10.2018 / 00:45
2
answers

Pass variables between php sheets

Good evening, I'm doing an ATM on php with mysql and I have the following question: use the username and password system of agustin ramos (on the internet you can find it) which works as follows: You have the enter.php where you get to...
asked by 28.05.2016 / 04:40
2
answers

Show with php the difference in hours and minutes between two datetime fields of mysql

Good afternoon everyone, I have a system where I must control the time of entry and exit of vehicles. To do this, I have two DateTime fields stored in Mysql (date1, date2). I need, in PHP, calculate the difference between both fields and show...
asked by 14.08.2017 / 22:17
1
answer

Wrong syntax of MySql, in PHP [closed]

I am retrieving values from my Database, and doing a var_dump to the $ result variable throws me the following error.    E: \ wamp64 \ www \ evasion \ ajaxResume.php: 18: boolean false Could you help me find the error, I leave you the syn...
asked by 24.08.2017 / 21:06