I want to fetch the latest entry to the database I have this data When I run this query select id, parent_id, amount, max(created_at) from table group by parent_id it correctly returns the latest entry but not the rest of…
I know most people say to just use prepared statements, but I have a site with many existent queries and I need to sanitize the variables by the mysqli_real_escape_string() function method. Also the php manual of mysqli_query() says mysqli_real_escape_string() is…
I have problem with Laravel migrations. I want to make a relationship between two tables but I am getting error General error: 1005 Can't create table eshopper.prices (errno: 150 "Foreign key constraint is incorrectly formed") (SQL: alter table prices add…
i'm trying to make an if into my code html with flask: {% if {{ role }} = 1 %} <div id="cabecera"> <header class="py-3 mb-4 border-bottom"> <div class="container d-flex flex-wrap justify-content-center"> <a href="/home" class="d-flex align-items-center mb-3 mb-lg-0 me-lg-auto text-dark text-decoration-none">…
I have a table 'processes' with the following columns : id date_creation date_lastrun For example I have the following entries: id;date_creation;date_lastrun 1;2022-01-01 00:00:00;2022-02-01 00:00:00 2;2022-03-01 00:00:00;NULL I want to select the element with the bigger date in MySQL I can…
I'm writing a simple console application in C# using top-level statements, and I want to check at the beginning whethere there exists a database. Here's my code: using MySql.Data.MySqlClient; using (MySqlConnection connection = new MySqlConnection("Server=localhost;Uid=root;Pwd=password;")) { connection.Open(); if (CheckDatabaseExistence(connection)) Console.WriteLine("Database…
I have the following table: Day Category Count D1 A 10 D1 B 20 D2 A 8 D2 B 10 D3 A 6 D3 B 5 I'm trying to create a percentage column by dividing the values in the third…
Hi all, I have a table as shown in the screenshot above. I wrote a query using CASE statement so that it will return extra columns that I need. Below is the query that I wrote: SELECT *, CASE WHEN…
I have two related tables where I need to update and set a column based on count from the other table. I have an agents table where each agent has a level which is to be computed based on the…
I am trying to combine two select statements because my original query was taking way to long with LEFT JOIN Original Query: SELECT DISTINCT a.RequestId, a.*, str_to_date(RequestedTestDate, '%d-%b-%Y') AS cRequestedTestDate, str_to_date(ActualTestDate, '%d-%b-%Y') AS cActualTestDate, name as Engineer, Cancelled FROM (…