Database (SQL Server, PostgreSQL, MySQL): From Fundamentals to Distributed Systems

La force de l'expérience. ça fait 10 ans que je donne cours aux étudiants en difficulté. je connais parfaitement tout le programme du secondaire notamment en mathématiques. de la 1ere secondaire à la 6e secondaire, rien ne m'échappe. Mes préférés sont les 3e, 4e, et 5e secondaires. Je fais également des préparations intensives aux CE1D, Jury Central, examens d'entrée.. etc..

Master Python with Personalized Courses Discover the art of programming with Python courses tailor-made to meet your specific needs. Whether you are a beginner, intermediate or professional, my lessons are suitable for all levels. Why Choose My Courses? Personalized Teaching Approach: Each course is tailored to your skill level and individual goals. Practical Experience: Learn by doing with real-world projects that build your understanding and skills. Ongoing Support: Get unlimited email support for any questions you have between sessions. As a Python expert, I have a passion for teaching and sharing my knowledge. My goal is to guide you effectively in your learning journey. Book Your First Lesson: Start your journey to Python mastery now by booking your first lesson. Whether you aspire to enter the development field or hone your existing skills, these courses are designed for you.

As a Franco-Belgian management teacher, I give Excel lessons with passion! Whether remotely or face-to-face, I offer many examples and exercises to accompany you. I travel without problem throughout the region of Brussels and its surroundings, for lessons of at least 2 hours. For France, courses are only given remotely. Here are some key words that will be covered in my classes: Scenario analysis, Year, Rounding, Today, Bdnb, Bdnbval, Bdsum, Search, Column, Copy/paste in values, Copy/paste with transposition, Consolidation, Date, Datedif, Determat, Dollar, Right, Righterg, Equiv, Esterror, Estna, Frequency, Filter (simple and advanced), Format of cells, Left, Large.Value, Printing of documents, Index, Indirect, Inversemat, Day, Weekday, Line, Matrix, Max, Maxa, Max.Si, Min , Mina, Mina.If, Formatting of cells and ranges, Month, Average, Average.If, Nb, Nb.If, Nbval, Naming of cells and ranges, No, Small.value, Product, Productmat, Protection of cells, Lookup (Lookup), Lookupv (VLookup), Lookuph (HLookup), If (If), If.Not.Disp, If.Conditions, Iferror, Sum, Sumproduct, Sum.If, Sum.If.Set, Substitute , Pivot tables, Sorting, Cell locking Do not hesitate to contact me to organize your lessons according to your needs and availability. Together, we will develop your Excel skills in an efficient and personalized way.

Introduction à la Cybersécurité Bienvenue à cette leçon sur la cybersécurité. 🌐 Dans un monde où les menaces numériques augmentent de jour en jour, il est crucial pour nous, en tant qu'employés d'une entreprise, de comprendre les principes fondamentaux de la cybersécurité. Cette leçon vise à vous sensibiliser aux principales menaces et à vous équiper des connaissances nécessaires pour protéger nos ressources numériques. Qu'est-ce que la Cybersécurité? La cybersécurité est l'ensemble des pratiques et technologies conçues pour protéger les systèmes informatiques, les réseaux et les données contre les attaques, les dommages et les accès non autorisés. 📊 Avec l'augmentation des cybermenaces, la cybersécurité est devenue une priorité pour les entreprises du monde entier. L'objectif principal est de garantir la confidentialité, l'intégrité et la disponibilité des informations. Principales Menaces en Cybersécurité Malware: Les logiciels malveillants comprennent les virus, les chevaux de Troie et les ransomwares qui infectent les systèmes pour voler ou endommager les données. 🦠 Phishing: Les attaques de phishing se produisent lorsque des attaquants se font passer pour des entités de confiance pour tromper les utilisateurs afin qu'ils divulguent des informations sensibles. Attaques DDoS: Les attaques par déni de service distribué visent à rendre un service indisponible en surchargeant le système avec du trafic. Ingénierie sociale: Manipulation psychologique pour amener les individus à divulguer des informations confidentielles. Importance de la Cybersécurité dans les Entreprises Les entreprises sont souvent des cibles de choix pour les cyberattaques en raison de la valeur des données qu'elles détiennent. Les conséquences d'une faille de sécurité peuvent être désastreuses, entraînant des pertes financières importantes, des atteintes à la réputation et des impacts juridiques. 💼 La mise en œuvre de bonnes pratiques de sécurité est donc essentielle pour minimiser ces risques. Meilleures Pratiques en Cybersécurité Utiliser des mots de passe forts: Choisir des mots de passe complexes et les renouveler régulièrement. Mise à jour régulière des logiciels: S'assurer que tous les logiciels sont à jour pour corriger les failles de sécurité connues. Sauvegarder les données importantes: Effectuer des sauvegardes régulières pour prévenir la perte de données. Éducation et sensibilisation: Former régulièrement le personnel aux dernières menaces et techniques de cybersécurité. Outils de Cybersécurité Il existe divers outils disponibles pour aider à renforcer la sécurité numérique, notamment les antivirus, les firewalls, et les solutions de sécurité de réseau. Il est important de choisir les outils adaptés aux besoins spécifiques de votre entreprise. 🔐 L'avenir de la Cybersécurité Avec l'avènement de l'Internet des objets (IoT) et l'augmentation de l'utilisation de l'intelligence artificielle, le paysage de la cybersécurité évolue rapidement. Il est crucial de se tenir informé des tendances émergentes et d'adapter les stratégies de sécurité en conséquence. 🚀 Conclusion En résistant aux cybermenaces, nous protégeons non seulement nos informations personnelles, mais aussi les actifs de notre entreprise. En suivant les meilleures pratiques et en utilisant les bons outils, nous pouvons nous défendre contre une large gamme de menaces numériques. Pour une illustration visuelle des concepts couverts dans cette leçon, il pourrait être bénéfique d'inclure une vidéo d'introduction à la cybersécurité ou une infographie présentant les menaces courantes et les meilleures pratiques en matière de cybersécurité. 🎥🖼️

What You’ll Learn: Front-end Technologies: HTML, CSS, JavaScript, React.js, Next.js, TailwindCSS for creating dynamic, responsive applications. Back-end Mastery: Node.js, Nest js, Express, and Fastify for building robust and scalable web servers. Databases: MySQL, PostgreSQL, and MongoDB for handling data efficiently. DevOps & Deployment: Learn Docker, CI/CD with GitHub Actions, and cloud deployment practices to ensure your applications are production-ready. How You Will Benefit: Students: Gain the technical skills and portfolio to ace your academic projects and land internships or entry-level jobs. Self-Taught Learners: Stop the guesswork and follow a structured, hands-on approach to mastering full-stack development faster. Professionals: Upgrade your skills to meet the demands of modern web development and position yourself for career growth. Why My Course is Different: Real-World Projects: You'll build applications that solve real business problems, like a complete e-commerce site, RESTful APIs, and microservices. Tailored Learning: Each course is personalized to your experience level and goals, ensuring you get the most out of every session. Problem-Solving Focus: From debugging to performance optimization, you'll learn to tackle real-world challenges confidently. Industry-Relevant Skills: Stay ahead of the curve with training in modern technologies and practices that top employers are looking for.

With over seven years of experience in teaching Computer Science & Information Technology (ICT), I have developed a strong expertise in delivering high-quality education across multiple internationally recognized curricula, including Cambridge IGCSE, GCSE, A-Levels, O-Levels, and Checkpoint. My passion lies in equipping students with coding, cybersecurity, and digital literacy skills, ensuring they are well-prepared for the evolving demands of the digital world. Expertise & Teaching Areas: ✅ Programming & Software Development: Python, Java, C++ ✅ Cybersecurity: Ethical hacking, data protection, network security ✅ Digital Literacy: ICT applications, online safety, cloud computing ✅ Data Science & AI: Data analysis, machine learning fundamentals ✅ Web Development: HTML, CSS, JavaScript Curriculum & Pedagogical Experience: 🔹 Cambridge IGCSE & GCSE ICT & Computer Science – Teaching core and extended syllabi, focusing on programming logic, databases, and networking. 🔹 Cambridge A-Levels & O-Levels Computer Science – Preparing students for advanced computing concepts, problem-solving, and algorithm development. 🔹 Cambridge Checkpoint ICT – Building foundational skills in digital technology and computer applications. Professional Impact: 📌 Mentored students to achieve top grades in Cambridge ICT & Computer Science exams. 📌 Developed interactive lesson plans integrating real-world applications of technology. 📌 Conducted coding boot camps and cybersecurity workshops to enhance practical learning. 📌 Guided students in project-based learning, including app development and website design. With a strong commitment to student-centered learning and technological innovation, I am dedicated to shaping future tech leaders and empowering learners with skills relevant to careers in technology, data science, and software development.

- I teach in Excel, Word, Power point, Access, Outlook, internet, computer maintenance at home or remotely. - For more information, contact me. - I teach in Excel, Word, Power point, Access, Outlook, internet, computer maintenance at home or remotely. - For more information, contact me. - I teach in Excel, Word, Power point, Access, Outlook, internet, computer maintenance at home or remotely. - For more information, contact me.

I am a dynamic and demanding teacher who gives private lessons in Physics-Chemistry as well as Mathematics. I graduated from teaching seven years ago, after a masters in physical sciences with honors, and I teach in college and high school since. I have also been preparing students for the Baccalaureate Science for many years, all of whom have been awarded very good honors. I also prepare my students for different exams (Matu, Bac, preparation for EPFL, etc...) I make sure to rework the basics so that the student can progress quickly. It is important to me that my students acquire a solid foundation of knowledge. I also give effective work methods that will allow him to progress much more quickly and so he can regain self-confidence. I can go to the student's home or also take the course via Skype.

Vous êtes étudiant élèves ou professionnels et vous voulez apprendre les bases de l’informatique (algorithmes/programmation langage C html css ou bureautique) ce cours doit vous intéresser... Pour les cours d’informatique vous commencerez d’abord par apprendre les bases de l’algorithmique avant de s’attaquer au langage C pour finir aux langages tels que html css et php... On fera des séances de travaux dirigés avec des exercices concrets qui traitent la réalité quotidienne de cette vie humaine... Pour la bureautique informatique orientée emploi vous allez apprendre à utiliser de manière professionnelle le trio word PowerPoint Excel afin de pouvoir faire la conception de cv professionnel, de lettres commerciales, des factures et tout autre document... Ce cours est 30% théorique et 70% pratique pour l’algorithmique et la programmation. Quant à la bureautique informatique, le cours est 100% pratique avec des projets concrets comme à l’entreprise... Ce cours se termine par un projet d’entreprise concret qui autour d’une gestion de stock, gestion de la clientèle, gestion de factures... Si vous voulez prendre en otage votre ordinateur et tout ce qu’il peut faire comme tâche ce cours est fait pour vous...

Need a catch-up, tutoring, private lessons or help with homework in mathematics? In computer science ? In logic? I'm here for you! I offer you a personalized approach; because there is no one method that works for everyone, I adapt to the needs and requests of each student (and their parents). The first hour of class will be used to define the student's needs, deadlines and strengths. My courses are aimed at secondary school students of all levels, higher education students and anyone wishing to refresh or strengthen their knowledge of mathematics and computer science. I have been helping friends and acquaintances on a voluntary basis for a long time in the success of their studies and I hope to be able to put this experience to the benefit of your success :)

As a math teacher, I offer private lessons in science subjects. My classes are mainly aimed at cycle and college students in Geneva, as well as students from private schools. I can also help people who have already finished their schooling but who need to upgrade their knowledge for professional needs. I am generally available within 3 days of your request and I move around the canton of Geneva using public transport (TPG). Travel costs are included in my rates. For a long-term follow-up, I can give you exercises to do between sessions and correct them at home. I speak and understand English, but my lessons will be mainly in French. I am ready to adapt my teaching according to your specific needs and to provide personalized support to help you progress in scientific subjects. Do not hesitate to contact me if you have additional questions or if you wish to schedule a lesson session. I will be happy to help you in your math learning.

Whether you're involved in finance, management, planning, project management, human resources, or perhaps an ambitious student looking to hone your professional dashboarding skills, you've come to the right place. If you're looking for a solution that goes beyond the limitations of Excel and PowerPoint, then you've come to the right place: allow me to introduce you to Power BI. With Power BI, I offer you much more than just a tool. It's a gateway to interactive reporting, efficient data management, and advanced analytics. Here's what I can offer you: - Expert creation and management of interactive reports. - Careful transformation and cleaning of data for maximum accuracy. - Use of powerful DAX formulas for advanced data analysis. - Creation of custom visualizations and impactful dashboards. - Secure sharing and publishing of your reports for seamless collaboration. -Automation of repetitive tasks with Power BI & Power Query. Whatever your specific needs—whether they relate to professional projects, studies, or personal aspirations—I'm here to offer you a tailor-made solution. Together, we'll create a program tailored to your goals, guiding you through every step of your learning journey. Whether you're a beginner looking to master the basics or an expert looking to deepen your knowledge of data analysis, I'm here to provide the expertise and support you need to succeed.

Vous avez un ordinateur sous Windows ou un Mac et son fonctionnement vous semble incompréhensible, ne vous inquiétez pas je suis là pour vous aider afin que Windows ou Mac n’ait plus aucun secret pour vous. La formation a pour but d’être efficace dès le début en ciblant les points que vous désignez comme les plus importants pour votre utilisation. Ainsi chaque cours se portera uniquement sur quelques points mais que vous maitriserez à coup sûr à la fin de la séance. Voici une liste des sujets qui pourront être traités (bien sûr cette liste est non exhaustive et d’autres sujets peuvent faire l’objet des cours) : - Les bases de Windows ou Mac (configuration de base, arborescence des dossiers, les paramètres, les mises à jour, le vocabulaire, lire des photos, lire des musiques, lire des vidéos, comment installer un logiciel...) - La sécurité (comment configurer son antivirus, les bonnes pratiques pour éviter les virus...) - Navigation sur internet (quel navigateur choisir, comment gérer ses favoris, quel moteur de recherche utiliser, les bonnes pratiques pour éviter les sites frauduleux...) - Mail (configurer sa boite mail, mettre une signature personnalisée, savoir gérer les spams) - Visio (quelles plateformes utiliser dans quel contexte, les bons réflexes pour être dans les meilleures dispositions lors d’une visio, les bons micro et webcam...) - Sauvegarde (le cloud, disque dur, clé usb, comment bien ranger/trier ses fichiers, les bons réflexes pour ne pas perdre ses fichiers...) - Traitement de texte (choisir le bon logiciel, maitriser les raccourcis, maitriser les différents types de mise en forme...) - Périphériques externe (configuration et utilisation d’une imprimante, d’un scanner, d’une webcam, d’un micro, de hauts parleurs...)

With 7 years of experience as a developer in a Factory, I now develop Wordpress websites for large groups. In the training program, you will learn to: - Install, configure, and deploy WordPress sites - Develop custom Wordpress themes and plugins - Use powerful tools like ACF Pro, Gravity Forms, WPML, AIOS Security, WP rocket... - Create custom post types and tailor-made taxonomies - Develop pages using the right methods in HTML, CSS, Javascript & PHP - Administer and manage a site database - Contribute to the good natural referencing (SEO) of your site - Use WP-Cli to speed up the maintenance of your sites - Use Docker to containerize your local/prod projects and facilitate their management - Administer your WP sites the right way - And much more... For any questions, you can contact me by PM. See you soon, Matthew

I'm a developer coach with over 10 years of experience in website and database development. Holding a professional license and several industry-recognized certifications, he is a MySQL expert and able to walk you through the most complex requests. As a coordinated and passionate website builder, I am able to share my knowledge and experience with over 100's of people to help achieve their development goals. Many renewable projects are experienced and able to deliver high quality results. If you are looking for a talented developer coach to help you with your MySQL demands, please feel free to contact me.”