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Learn how to analyze data effectively and manage databases with ease. Buy ads: https://telega.io/c/sql_databases

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📈 Аналітичний огляд Telegram-каналу Data Science

Канал Data Science (@sql_databases) у мовному сегменті Англійська є активним учасником. На даний момент спільнота об'єднує 71 041 підписників, посідаючи 2 273 місце в категорії Освіта та 4 764 місце у регіоні Індія.

📊 Показники аудиторії та динаміка

З моменту свого створення невідомо, проект продемонстрував стрімке зростання, зібравши аудиторію у 71 041 підписників.

За останніми даними від 05 червня, 2026, канал демонструє стабільну активність. Хоча за останні 30 днів спостерігається зміна кількості учасників на -54, а за останні 24 години на 6, загальне охоплення залишається високим.

  • Статус верифікації: Не верифікований
  • Рівень залученості (ER): Середній показник залученості аудиторії становить 12.21%. Протягом перших 24 годин після публікації контент зазвичай збирає 2.97% реакцій від загальної кількості підписників.
  • Охоплення публікацій: В середньому кожен допис отримує 8 672 переглядів. Протягом першої доби публікація в середньому набирає 2 110 переглядів.
  • Реакції та взаємодія: Аудиторія активно підтримує контент: середня кількість реакцій на один пост – 0.
  • Тематичні інтереси: Контент зосереджений навколо ключових тем, таких як database, learning, linkedin, udemy, 029k|.

📝 Опис та контентна політика

Автор описує ресурс як майданчик для висловлення суб'єктивної думки:
Learn how to analyze data effectively and manage databases with ease. Buy ads: https://telega.io/c/sql_databases

Завдяки високій частоті оновлень (останні дані отримано 06 червня, 2026), канал підтримує актуальність та високий рівень охоплення публікацій. Аналітика показує, що аудиторія активно взаємодіє з контентом, що робить його важливою точкою впливу в категорії Освіта.

71 041
Підписники
+624 години
+237 днів
-5430 день
Архів дописів
📖 SQL Commands you must know
📖 SQL Commands you must know

📖 Data Pipelines Overview. Data pipelines are a fundamental component of managing and processing data efficiently within mod
📖 Data Pipelines Overview. Data pipelines are a fundamental component of managing and processing data efficiently within modern systems. These pipelines typically encompass 5 predominant phases: Collect, Ingest, Store, Compute, and Consume. 1. Collect: Data is acquired from data stores, data streams, and applications, sourced remotely from devices, applications, or business systems. 2. Ingest: During the ingestion process, data is loaded into systems and organized within event queues. 3. Store: Post ingestion, organized data is stored in data warehouses, data lakes, and data lakehouses, along with various systems like databases, ensuring post-ingestion storage. 4. Compute: Data undergoes aggregation, cleansing, and manipulation to conform to company standards, including tasks such as format conversion, data compression, and partitioning. This phase employs both batch and stream processing techniques. 5. Consume: Processed data is made available for consumption through analytics and visualization tools, operational data stores, decision engines, user-facing applications, dashboards, data science, machine learning services, business intelligence, and self-service analytics. The efficiency and effectiveness of each phase contribute to the overall success of data-driven operations within an organization.

💡 50 SQL Important Project Ideas for your Resume
💡 50 SQL Important Project Ideas for your Resume

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📖 Big Data Analytics tools
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📖 Big Data Analytics tools

📖 Big Data Analytics tools Big Data Analytics tools like Hadoop and Spark enable fast processing of massive datasets, while
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📖 Big Data Analytics tools Big Data Analytics tools like Hadoop and Spark enable fast processing of massive datasets, while platforms like Tableau and Power BI help visualize insights. These tools empower businesses to make data-driven decisions in real-time.

📱Data Analysis 📱Data Engineering: dbt for SQL

🔅 Data Engineering: dbt for SQL 📝 Learn how you can use dbt (data build tool) to make managing your SQL code simpler and fa
🔅 Data Engineering: dbt for SQL 📝 Learn how you can use dbt (data build tool) to make managing your SQL code simpler and faster. 🌐 Author: Vinoo Ganesh 🔰 Level: Advanced ⏰ Duration: 1h 31m 📋 Topics: Data Build Tool, Data Engineering, SQL 🔗 Join Data Analysis for more courses

Here are five of the most commonly used SQL queries in data science: 1. SELECT and FROM Clauses - Basic data retrieval: SELECT column1, column2 FROM table_name; 2. WHERE Clause - Filtering data: SELECT * FROM table_name WHERE condition; 3. GROUP BY and Aggregate Functions - Summarizing data: SELECT column1, COUNT(*), AVG(column2) FROM table_name GROUP BY column1; 4. JOIN Operations - Combining data from multiple tables:
     SELECT a.column1, b.column2
     FROM table1 a
     JOIN table2 b ON a.common_column = b.common_column;
     
5. Subqueries and Nested Queries - Advanced data retrieval:
     SELECT column1
     FROM table_name
     WHERE column2 IN (SELECT column2 FROM another_table WHERE condition);

📖 Checklist to become a Data Analyst
📖 Checklist to become a Data Analyst

📖 Data Science Cheatsheet
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📖 Data Science Cheatsheet

📖 SQL execution order A SQL query executes its statements in the following order: 1) FROM / JOIN 2) WHERE 3) GROUP BY 4) HAV
📖 SQL execution order A SQL query executes its statements in the following order: 1) FROM / JOIN 2) WHERE 3) GROUP BY 4) HAVING 5) SELECT 6) DISTINCT 7) ORDER BY 8) LIMIT / OFFSET The techniques you implement at each step help speed up the following steps. This is why it’s important to know their execution order. To maximize efficiency, focus on optimizing the steps earlier in the query. With that in mind, let’s take a look at some optimization tips: 1) Maximize the WHERE clause This clause is executed early, so it’s a good opportunity to reduce the size of your data set before the rest of the query is processed. 2) Filter your rows before a JOIN Although the FROM/JOIN occurs first, you can still limit the rows. To limit the number of rows you are joining, use a subquery in the FROM statement instead of a table. 3) Use WHERE over HAVING The HAVING clause is executed after WHERE & GROUP BY. This means you’re better off moving any appropriate conditions to the WHERE clause when you can. 4) Don’t confuse LIMIT, OFFSET, and DISTINCT for optimization techniques It’s easy to assume that these would boost performance by minimizing the data set, but this isn’t the case. Because they occur at the end of the query, they make little to no impact on its performance.

📦 Exercise Files

📱Data Analysis 📱Distributed Databases with Apache Ignite

🔅 Distributed Databases with Apache Ignite 📝 Deep dive into learning about and creating distributed databases with Apache I
🔅 Distributed Databases with Apache Ignite 📝 Deep dive into learning about and creating distributed databases with Apache Ignite. 🌐 Author: Janani Ravi 🔰 Level: Intermediate ⏰ Duration: 1h 55m 📋 Topics: Apache Ignite, Distributed Databases 🔗 Join Data Analysis for more courses

📖 Master the Art of Data Storytelling Data visualization isn’t just about making charts—it’s about telling a story that driv
📖 Master the Art of Data Storytelling Data visualization isn’t just about making charts—it’s about telling a story that drives decisions. Here are 15 essential tips to create impactful, clear, and engaging visualizations that your audience will actually understand and remember: ✅ Ask the right questions to uncover meaningful insights ✅ Choose the right chart to match your story ✅ Keep it simple—remove distracting fonts and elements ✅ Use consistent colors and make labels clear and visible ✅ Design for comprehension, not confusion

Stop Cleaning Data Manually 🛑 Most data scientists spend the majority of their time fighting with messy CSVs and inconsisten
Stop Cleaning Data Manually 🛑 Most data scientists spend the majority of their time fighting with messy CSVs and inconsistent formats. But the pros don’t do it manually. They build pipelines. A data pipeline is your "set it and forget it" system for data preprocessing. By using tools like Pandas for manipulation, Scikit-learn for chaining steps, and Dask for scaling, you can slash your manual workload by up to 70%. Why you need this: Speed: Go from raw data to insights in seconds. Reliability: Eliminate human error in the cleaning process. Reproducibility: Run the same logic on new data without rewriting code. In a recent healthcare case study, automating this process helped a team predict patient readmission faster and more accurately than ever before. Which tool is a permanent part of your toolkit? 1. Pandas 🐼 2. Scikit-learn ⚙️ 3. Dask ☁️

🔰 Explaining PostgreSQL
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🔰 Explaining PostgreSQL

🔰 Explaining PostgreSQL PostgreSQL is a powerful and versatile open-source relational database management system. It offers
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🔰 Explaining PostgreSQL PostgreSQL is a powerful and versatile open-source relational database management system. It offers advanced features, such as support for complex data types, robust concurrency control, and extensive query optimization. With its scalability, reliability, and flexibility, PostgreSQL is an excellent choice for managing and organizing your data efficiently.

📖 Types of Databases
📖 Types of Databases