I'm a developer coach with over 10 years of experience in website and database development. Titolay

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.

Module 1: SQL Overview Outlining SQL as the cornerstone of database activity Applying the ANSI/ISO standards Describing the fundamental building blocks: tables, columns, primary keys, and foreign keys Module 2: Building the Database Schema - Creating tables and columns Building tables with CREATE TABLE Modifying table structure with ALTER TABLE Adding columns to an existing table Removing tables with DROP TABLE - Protecting data integrity with constraints Guaranteeing uniqueness with primary key constraints Enforcing integrity with foreign key constraints Imposing business rules with check constraints - Improving performance with indexes Expediting data retrieval with indexes Recommending guidelines for index creation Module 3: Manipulating Data - Modifying table contents Adding table rows with INSERT Changing row content with UPDATE Removing rows with DELETE - Applying transactions Controlling transactions with COMMIT and ROLLBACK Deploying BEGIN TRANSACTION in SQL Server Module 4: Working with the SELECT Statement - Writing Single Table queries Retrieving data with SELECT Specifying column expressions Sorting the result with ORDER BY Handling NULL values in expressions - Restricting rows with the WHERE filter Testing for equality or inequality Applying wildcard characters Avoiding NULL value pitfalls Module 5: Querying Multiple Tables - Applying the ANSI/ISO standard join syntax Matching related rows with INNER JOIN Including nonmatched rows with OUTER JOIN Creating a Cartesian product with CROSS JOIN - Combining results with set operators Stacking results with UNION Identifying matching rows with INTERSECT Utilizing EXCEPT to find nonmatching rows Module 6: Employing Functions in Data Retrieval - Processing data with row functions Conditional formatting with the CASE expression Utilizing the CASE expression to simulate IF tests Dealing with NULL values - Performing analysis with aggregate functions Summarizing data using SUM, AVG and COUNT Finding the highest/lowest values with MAX and MIN Defining the summary level with GROUP BY Applying filter conditions with HAVING Module 7: Constructing Nested Queries - Applying subqueries in filter conditions Creating correlated vs. noncorrelated subqueries Testing the existence of rows - Including subqueries in expressions Placing subqueries in the column list Creating complex expressions containing subqueries Handling subqueries that return no rows Module 8: Developing In-Line and Stored Views - Breaking down complex problems Selecting data from a query result set Using subqueries in the FROM clause - Creating views in a database Building reusable code Creating updateable vs. non-updateable views

C# is the programming language approved by Microsoft, the leading software company in the world. In the course, you will learn how to create complete programs such as managing a restaurant, company, law firm, point of sale, real estate management programs, clinics, institutes, universities, etc., so that you can sell and market software on the Internet and gain a strong career to support you in your professional life.

I offer personalized courses that cover a wide range of topics, from the basics of relational database management to advanced data manipulation using query languages such as SQL and tools such as DBSM, MySQL, and PostgreSQL. My courses are tailored to the needs and learning styles of each student, and I am committed to helping my students achieve their individual learning goals. Whether you are a beginner or looking to improve your skills, I can help you develop your relational database management skills and take your expertise in this field to the next level. I am excited to guide you through the world of relational database management and help you master the skills necessary to succeed in this field. Please do not hesitate to contact me for more information about my services and how I can help you achieve your relational database management goals.

Experienced teacher in science and doctor in psychology and cognitive neurosciences graduated from the University of Strasbourg (holder of a master 2 in research in Biology and a professional master 2 in scientific communication), I offer private lessons in psychology (cognitive , social, developmental psychology, neuropsychology etc.), neurosciences as well as in statistics (theoretical and applied to experimental protocols) with a personalized methodology according to the needs and potentialities of each student. Thanks to a rigorous pedagogical approach, specific and adapted to each request, I offer effective methodological assistance (references available) to meet the expectations of the students and to achieve or even exceed the objectives set. My courses also include a coaching method to optimize the learning and training necessary to pass university exams in psychology, neuroscience and statistics (as well as your research dissertations and oral defenses with or without PowerPoint support). My courses are aimed at students (in psychology, neurosciences, medicine, etc.) wishing to optimize their performance and marks in exams and competitions. Schools, Universities and teaching institutes: Universities of Strasbourg and Paris 8, CNRS, Ecole Polytechnique, ESSEC Business School, ISTH, IONIS Education Group, EEEA, Institut Tocqueville etc.

Excel, SQL, and Python: Essential Tools for Data Analysts As a data analyst, mastering Excel, SQL, and Python is crucial for effectively extracting, manipulating, and analyzing data. This comprehensive course is designed to equip you with the practical skills needed to excel in these essential tools. Key areas of focus include: Excel: Learn advanced Excel techniques, including data manipulation, pivot tables, and data visualization. SQL: Gain proficiency in SQL for querying databases, extracting relevant data, and performing data analysis. Python: Discover the power of Python for data analysis, including data cleaning, manipulation, and visualization using popular libraries like Pandas, NumPy, and Matplotlib. Through hands-on exercises and real-world examples, you'll develop the confidence and expertise to tackle complex data analysis challenges and drive informed decision-making.

In this course you will learn how to transform your data into useful information for decision making through visualizations. You will also create your data model. Cake Graphics. Bar Charts. Dispersion. Measurements. DAX expressions. At the end of the course you will have created your first report in Power BI Desktop.

You are a highschool student? You have a baccalaureate? You need help with Python (Algorithmic Programming). I am here to teach you ! I am certified from Python Institute (PCAP: Certified Associate in Python Programming) and I work with Python for more than 5 years. I am also a teacher and my students love the way I teach with (simple, clear and always funny)

Welcome to "AI and Data Science" – a comprehensive, customizable course designed for learners at any level, from beginners to advanced professionals. Whether you're just starting your journey into the world of artificial intelligence and data science or looking to enhance your existing skills, this course will provide you with the knowledge and practical tools you need to excel. What You'll Learn: Fundamentals of Data Science: Understanding data collection, cleaning, and preprocessing; learning to analyze and visualize data using tools like Python, Pandas, and Matplotlib. Introduction to AI and Machine Learning: Explore basic concepts of AI, supervised and unsupervised learning, and popular algorithms (e.g., regression, classification, clustering) with hands-on coding exercises. Advanced AI Techniques: Delve into deep learning, neural networks, and advanced algorithms like decision trees, SVMs, and reinforcement learning. Practical Projects: Work on real-world projects such as predictive modeling, sentiment analysis, and building AI applications using Python libraries like TensorFlow and PyTorch. Storytelling with Data: Develop skills to communicate insights effectively, using data visualization tools and storytelling techniques to create compelling narratives from data. Database Management: Learn how to work with databases (SQL and NoSQL) and manage data efficiently for large-scale applications. What to Prepare: Basic Computer Skills: No prior programming experience is required for beginners, but familiarity with basic computer operations is recommended. Software Setup: Students will need to install software like Python, Jupyter Notebooks, and data science libraries (instructions will be provided during the course). Curiosity and Dedication: This course encourages a hands-on approach, so students should come ready to code, experiment, and learn through practical examples. What to Expect: Customized Learning Experience: Lessons are tailored based on the student’s level and goals, ensuring a personalized approach that aligns with your learning pace and interests. Supportive Environment: Receive one-on-one mentoring and support to help you overcome challenges and master complex topics. Skills You Can Apply Immediately: Gain practical, job-ready skills that are in high demand across industries, including AI, finance, marketing, and tech.

This class covers statistics and statistical methods for data analysis which cuts across all industry and disciplines. Sample topics, Statistical calculations Statistical methods Statistical analysis Quantitative analysis Quantitative analysis techniques Non Quantitative data analysis Research methods Research methods paper section Mathematical analysis Statistical software and spreadsheets like Rsutdio, Excel, SPSS, and many others. and any statistical topic requests by students

I am a Ph.D. student at the University of Luxembourg. For the past 4 years, I taught the University: statistics and probability theory to first-year students, and economics to 3th-year students. I really enjoy teaching. I am looking forward to helping students when they need reinforcement on different subjects, or anyone interested in learning the following topics: For maths: System of equations, derivatives, integrals, type of equations, etc. For statistics: Probability theory, descriptive statistics, regression analysis, multivariate analysis, hypothesis testing, and methods for causal inference. For young professionals: I have extensive experience in data analysis, data management, and statistical modeling. My class mixes both theoretical and practical parts using financial data as examples. If you are interested, just write me a message telling me what topics are you interested in learning.

Je propose des cours complets en Power BI, analyse de données, science des données et algorithmes d'apprentissage profond, adaptés à tous les niveaux d'expérience. Mon approche pédagogique se concentre sur l'acquisition de compétences pratiques, vous permettant d'appliquer directement ce que vous apprenez dans des projets réels. Dans le cadre de mes cours de gestion de données, vous apprendrez à transformer vos données en visualisations interactives et informatives, en maîtrisant les techniques de création de tableaux de bord, de rapports et d'analyses visuelles. Vous découvrirez également comment connecter différentes sources de données et optimiser vos modèles pour des insights pertinents. En ce qui concerne l’analyse de données, vous développerez une compréhension approfondie des méthodes statistiques et analytiques, vous permettant de tirer des conclusions significatives à partir de vos données. Vous serez initié aux outils et aux techniques de manipulation des données, y compris l'utilisation de langages de programmation tels que Python, R, PowerBI ou TABLEAU. Dans le domaine de la science des données, nous explorerons les étapes clés du processus de data science, de la collecte et le nettoyage des données à la modélisation et à la validation des résultats. Vous serez également introduit aux algorithmes d’apprentissage profond, apprenant à construire et à entraîner des modèles neuronaux pour des applications variées, allant de la reconnaissance d'image à la prévision. Chaque cours est structuré autour de projets pratiques et de cas d’étude, afin de vous préparer à relever des défis réels en matière d’analyse et d’interprétation des données. Si vous êtes prêt à développer vos compétences en Power BI, analyse de données, science des données et apprentissage profond.

Are you preparing for your college SQL exams and want to excel in database querying? Join my SQL Exam Preparation course, where you’ll get expert guidance from an experienced tutor with a strong background in databases. (mainly PostgreSQL and mySQL) With 2 years of SQL experience, top scores in exams at KdG University, and over a year of tutoring, I’ll help you master SELECT statements and beyond. What you’ll learn: - Basics of SQL: tables, columns, rows - Writing SELECT queries - Filtering data using WHERE, LIKE, and logical operators - Using ORDER BY and LIMIT for sorting and limiting results - Aggregate functions: COUNT, SUM, AVG, MIN, MAX - GROUP BY and HAVING clauses for data aggregation - Joins: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN - Subqueries and nested SELECT statements Who is this for? This course is ideal for anyone looking to strengthen their SQL skills, whether you're a beginner or preparing for college-level exams. We’ll cover core SELECT query concepts, ensuring you have the confidence to work with real-world data and ace your tests. Looking for something more advanced? Check out my other course on CREATE and INSERT statements.

Learn Python and understand algorithms and data structures with simple, clear lessons. We'll cover key topics like sorting, searching, and recursion, with hands-on practice to build your skills. Perfect for beginners or anyone looking to improve their coding and problem-solving!

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