Dara Lee

Dara Lee

1627139088

Create Student Management System with MySQL Database in Visual C++

How to Create Student Management System with MySQL Database in Visual C++. You will learn how to embed Panels in this video tutorial and add an editable DataGridView, Buttons, Labels, TextBox, ComboBox, and call functions. Excellent Tutorial for Beginners.

Channel Members can Download the Student Management System with MySQL Database in Visual C++ source code and modify it for their own personal use:
https://drive.google.com/file/d/1TxC0mTFBrC6lPfwrN62SxHDA1htWjWWU/view?usp=sharing

πŸ‘• T-shirts for programmers: https://bit.ly/3ir3Gci
πŸ”” Subscribe: https://www.youtube.com/c/DJOamen/featured

#mysql #database

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Create Student Management System with MySQL Database in Visual C++
Joe  Hoppe

Joe Hoppe

1595905879

Best MySQL DigitalOcean Performance – ScaleGrid vs. DigitalOcean Managed Databases

HTML to Markdown

MySQL is the all-time number one open source database in the world, and a staple in RDBMS space. DigitalOcean is quickly building its reputation as the developers cloud by providing an affordable, flexible and easy to use cloud platform for developers to work with. MySQL on DigitalOcean is a natural fit, but what’s the best way to deploy your cloud database? In this post, we are going to compare the top two providers, DigitalOcean Managed Databases for MySQL vs. ScaleGrid MySQL hosting on DigitalOcean.

At a glance – TLDR
ScaleGrid Blog - At a glance overview - 1st pointCompare Throughput
ScaleGrid averages almost 40% higher throughput over DigitalOcean for MySQL, with up to 46% higher throughput in write-intensive workloads. Read now

ScaleGrid Blog - At a glance overview - 2nd pointCompare Latency
On average, ScaleGrid achieves almost 30% lower latency over DigitalOcean for the same deployment configurations. Read now

ScaleGrid Blog - At a glance overview - 3rd pointCompare Pricing
ScaleGrid provides 30% more storage on average vs. DigitalOcean for MySQL at the same affordable price. Read now

MySQL DigitalOcean Performance Benchmark
In this benchmark, we compare equivalent plan sizes between ScaleGrid MySQL on DigitalOcean and DigitalOcean Managed Databases for MySQL. We are going to use a common, popular plan size using the below configurations for this performance benchmark:

Comparison Overview
ScaleGridDigitalOceanInstance TypeMedium: 4 vCPUsMedium: 4 vCPUsMySQL Version8.0.208.0.20RAM8GB8GBSSD140GB115GBDeployment TypeStandaloneStandaloneRegionSF03SF03SupportIncludedBusiness-level support included with account sizes over $500/monthMonthly Price$120$120

As you can see above, ScaleGrid and DigitalOcean offer the same plan configurations across this plan size, apart from SSD where ScaleGrid provides over 20% more storage for the same price.

To ensure the most accurate results in our performance tests, we run the benchmark four times for each comparison to find the average performance across throughput and latency over read-intensive workloads, balanced workloads, and write-intensive workloads.

Throughput
In this benchmark, we measure MySQL throughput in terms of queries per second (QPS) to measure our query efficiency. To quickly summarize the results, we display read-intensive, write-intensive and balanced workload averages below for 150 threads for ScaleGrid vs. DigitalOcean MySQL:

ScaleGrid MySQL vs DigitalOcean Managed Databases - Throughput Performance Graph

For the common 150 thread comparison, ScaleGrid averages almost 40% higher throughput over DigitalOcean for MySQL, with up to 46% higher throughput in write-intensive workloads.

#cloud #database #developer #digital ocean #mysql #performance #scalegrid #95th percentile latency #balanced workloads #developers cloud #digitalocean droplet #digitalocean managed databases #digitalocean performance #digitalocean pricing #higher throughput #latency benchmark #lower latency #mysql benchmark setup #mysql client threads #mysql configuration #mysql digitalocean #mysql latency #mysql on digitalocean #mysql throughput #performance benchmark #queries per second #read-intensive #scalegrid mysql #scalegrid vs. digitalocean #throughput benchmark #write-intensive

Ruth  Nabimanya

Ruth Nabimanya

1620633584

System Databases in SQL Server

Introduction

In SSMS, we many of may noticed System Databases under the Database Folder. But how many of us knows its purpose?. In this article lets discuss about the System Databases in SQL Server.

System Database

Fig. 1 System Databases

There are five system databases, these databases are created while installing SQL Server.

  • Master
  • Model
  • MSDB
  • Tempdb
  • Resource
Master
  • This database contains all the System level Information in SQL Server. The Information in form of Meta data.
  • Because of this master database, we are able to access the SQL Server (On premise SQL Server)
Model
  • This database is used as a template for new databases.
  • Whenever a new database is created, initially a copy of model database is what created as new database.
MSDB
  • This database is where a service called SQL Server Agent stores its data.
  • SQL server Agent is in charge of automation, which includes entities such as jobs, schedules, and alerts.
TempDB
  • The Tempdb is where SQL Server stores temporary data such as work tables, sort space, row versioning information and etc.
  • User can create their own version of temporary tables and those are stored in Tempdb.
  • But this database is destroyed and recreated every time when we restart the instance of SQL Server.
Resource
  • The resource database is a hidden, read only database that holds the definitions of all system objects.
  • When we query system object in a database, they appear to reside in the sys schema of the local database, but in actually their definitions reside in the resource db.

#sql server #master system database #model system database #msdb system database #sql server system databases #ssms #system database #system databases in sql server #tempdb system database

John Smith

1608784747

Student Result Management System in PHP

The Student Result Management system is developed in PHP Script and Mysql Database. The Student Result management system is helpful in generate students result and issue on the internet. This is a perfect student results management system using PHP with MYSQL database. This result management web application is created for schools and colleges. This Online Student Result Management System can be used in schools or collages for published their student result online. This is absolute Student Result Management System that is utilized for make results, managing classes, managing subject and put student result online. Under this system we have developed backend and front-end for students and admin users and in this system students can search result and they can download their result in pdf format also. Here you can find complete source code with online demo also.

https://www.webslesson.info/2020/12/online-student-result-management-system-in-php-with-mysql.html

#school result management system php #php projects with source code free #student result management system in php and mysql #student result management system project in php

Dara Lee

Dara Lee

1620057794

How to Create School Management System with MySQL Database in Visual C++ - Full Tutorial

How to Create School Management System with MySQL Database in Visual C++. In this video tutorial, you will learn how to create Panels, add an editable DataGridVeiw, Buttons, Labels, TextBox, ComboBox, and call Functions within Functions.

Channel Members can Download the School Management System Develop with MySQL Database in Visual C++ and modify it for their own personal use:

https://drive.google.com/file/d/1N3er… ​

Subscribe: https://www.youtube.com/c/DJOamen/featured

#mysql #database #c++

How to Create a Dynamic Table in React

In this article I will try to teach how to create a dynamic table in react. Ya I know its quite simple, but this tutorial is for beginners and a beginner should know how to get this kind of stuff done.,You mean let's say you want to generate 3Γ—4 table? I am not really sure but you can store rows and columns numbers into variable and based on that generate the table. ,how to add search and sorting in the table

import React, { Component } from 'react'

class Table extends Component {
   constructor(props) {
      super(props) //since we are extending class Table so we have to use super in order to override Component class constructor
      this.state = { //state is by default an object
         students: [
            { id: 1, name: 'Wasif', age: 21, email: 'wasif@email.com' },
            { id: 2, name: 'Ali', age: 19, email: 'ali@email.com' },
            { id: 3, name: 'Saad', age: 16, email: 'saad@email.com' },
            { id: 4, name: 'Asad', age: 25, email: 'asad@email.com' }
         ]
      }
   }

   render() { //Whenever our class runs, render method will be called automatically, it may have already defined in the constructor behind the scene.
      return (
         <div>
            <h1>React Dynamic Table</h1>
         </div>
      )
   }
}

export default Table //exporting a component make it reusable and this is the beauty of react

 

renderTableData() {
      return this.state.students.map((student, index) => {
         const { id, name, age, email } = student //destructuring
         return (
            <tr key={id}>
               <td>{id}</td>
               <td>{name}</td>
               <td>{age}</td>
               <td>{email}</td>
            </tr>
         )
      })
   }

   render() {
      return (
         <div>
            <h1 id='title'>React Dynamic Table</h1>
            <table id='students'>
               <tbody>
                  {this.renderTableData()}
               </tbody>
            </table>
         </div>
      )
   }

 

renderTableHeader() {
      let header = Object.keys(this.state.students[0])
      return header.map((key, index) => {
         return <th key={index}>{key.toUpperCase()}</th>
      })
   }

   render() {
      return (
         <div>
            <h1 id='title'>React Dynamic Table</h1>
            <table id='students'>
               <tbody>
                  <tr>{this.renderTableHeader()}</tr>
                  {this.renderTableData()}
               </tbody>
            </table>
         </div>
      )
   }
#title {
   text - align: center;
   font - family: arial, sans - serif;
}

#students {
   text - align: center;
   font - family: "Trebuchet MS", Arial, Helvetica, sans - serif;
   border - collapse: collapse;
   border: 3 px solid #ddd;
   width: 100 % ;
}

#students td, #students th {
   border: 1 px solid #ddd;
   padding: 8 px;
}

#students tr: nth - child(even) {
   background - color: #f2f2f2;
}

#students tr: hover {
   background - color: #ddd;
}

#students th {
   padding - top: 12 px;
   padding - bottom: 12 px;
   text - align: center;
   background - color: #4CAF50;
  color: white;
}
if (errors.length) {
   alert("gikhare sag");
   setFormaState({
      ...formState,
      errors
   });
   return;
}
userService.addUser(formState.user);
setFormaState({
   errors: [],
   users: userService.getUsers()
});
return errors;