chore: sync content to repo

2026-08-30 17:57:21 +08:00 · 2026-08-13 09:38:02 +00:00
parent 643e56c0b8
commit 7f887b4ebb
26 changed files with 22 additions and 64 deletions
@@ -5,5 +5,4 @@ Learning how to make basic SQL queries in esencial for BI analysts. Queries are
 Visit the following resources to learn more:

 - [@official@SQL Roadmap](https://roadmap.sh/sql)
- [@article@SQL Basics Cheat Sheet](https://www.datacamp.com/cheat-sheet/sql-basics-cheat-sheet?utm_cid=19589720821&utm_aid=152984012854&utm_campaign=230119_1-ps-other~dsa~tofu_2-b2c_3-emea_4-prc_5-na_6-na_7-le_8-pdsh-go_9-nb-e_10-na_11-na&utm_loc=20296-&utm_mtd=-c&utm_kw=&utm_source=google&utm_medium=paid_search&utm_content=ps-other~emea-en~dsa~tofu~cheat-sheet-sql&gad_source=1&gad_campaignid=19589720821&gbraid=0AAAAADQ9WsHi-NrpYc5jD1jwOcO6JW2ib&gclid=CjwKCAjwk7DFBhBAEiwAeYbJsaTs85KOpxx2r27-znQYfeTOvKItMJ2YK6xamy5KiqyFRewGTE-AzRoCLXwQAvD_BwE)
 - [@article@Basic SQL Commands](https://www.freecodecamp.org/news/basic-sql-commands/)
@@ -1,7 +1,3 @@
 # BI Platforms

-BI Platforms are software systems that provide a range of tools and capabilities for business intelligence, including data integration, data analysis, reporting, dashboarding, and data visualization. They enable users to access, analyze, and share insights from data to support better decision-making across an organization. These platforms often support various data sources and offer features for collaboration and data governance.
-
-Visit the following resources to learn more:
-
- [@article@Analytics and Business Intelligence Platforms Reviews and Ratings](https://www.gartner.com/reviews/market/analytics-business-intelligence-platforms)
+BI Platforms are software systems that provide a range of tools and capabilities for business intelligence, including data integration, data analysis, reporting, dashboarding, and data visualization. They enable users to access, analyze, and share insights from data to support better decision-making across an organization. These platforms often support various data sources and offer features for collaboration and data governance.
@@ -4,7 +4,6 @@ Communication and storytelling involve conveying insights and findings from data

 Visit the following resources to learn more:

- [@book@Effective Data Storytelling: How to drive change with data, narrative, and visuals](https://dl.nemoudar.com/effective-data-storytelling-how-to-drive-change-with-data-narrative-and-visuals-1nbsped-1119615712-9781119615712_compress.pdf)
 - [@article@What is data storytelling?](http://microsoft.com/en-us/power-platform/products/power-bi/topics/data-storytelling)
 - [@article@Data Storytelling: How to Effectively Tell a Story with Data](https://online.hbs.edu/blog/post/data-storytelling)
 - [@video@Telling Stories with Data in 3 Steps (Quick Study)](https://www.youtube.com/watch?v=r5_34YnCmMY)
@@ -5,5 +5,4 @@ A data mart is a subset of a data warehouse, focused on a specific business func
 Visit the following resources to learn more:

 - [@article@What is a Data Mart?](https://www.ibm.com/think/topics/data-mart)
- [@article@Data Mart vs Data Warehouse: a Detailed Comparison](https://www.datacamp.com/blog/data-mart-vs-data-warehouse)
 - [@article@Data Lake VS Data Warehouse VS Data Marts](https://www.youtube.com/watch?v=w9-WoReNKHk)
@@ -4,5 +4,4 @@ Data modeling involves structuring and organizing data in a way that's optimized

 Visit the following resources to learn more:

- [@article@What Is Data Modeling? | IBM](https://www.ibm.com/think/topics/data-modeling)
- [@article@Data Modeling Explained: Techniques, Examples, and Best Practices](https://www.datacamp.com/blog/data-modeling)
+- [@article@What Is Data Modeling? | IBM](https://www.ibm.com/think/topics/data-modeling)
@@ -1,15 +1,7 @@
 # Databases

-A database is a collection of useful data of one or more related organizations structured in a way to make data an asset to the organization. A database management system is a software designed to assist in maintaining and extracting large collections of data in a timely fashion. Some of the most commonly used databases include:
-
-*   Relational databases
-*   NoSQL databases
-*   In-memory databases
-*   Embedded databases
-*   Cloud-based databases
-
-Each database type has its own set of features and use cases, and the choice of which database to use will depend on the specific requirements of the application.
+A database is a collection of useful data of one or more related organizations structured in a way to make data an asset to the organization. A database management system is a software designed to assist in maintaining and extracting large collections of data in a timely fashion. Each database type has its own set of features and use cases, and the choice of which database to use will depend on the specific requirements of the application.

 Visit the following resources to learn more:

- [@article@What is a Database?](ttps://www.oracle.com/database/what-is-database/)
+- [@article@What is a database?://www.ibm.com/think/topics/database](https://www.ibm.com/think/topics/database)
@@ -4,5 +4,4 @@ Two additional statistics to better understand the distribution of your datasets

 Visit the following resources to learn more:

- [@article@Understanding Skewness And Kurtosis And How to Plot Them](https://www.datacamp.com/tutorial/understanding-skewness-and-kurtosis)
 - [@article@Intro to Statistics](https://www.udacity.com/course/intro-to-statistics--st101)
@@ -4,5 +4,4 @@ An end-to-end analytics project encompasses the entire process of solving a busi

 Visit the following resources to learn more:

- [@article@20 Data Analytics Projects for All Levels](https://www.datacamp.com/blog/data-analytics-projects-all-levels)
 - [@video@End to End Data Analytics Project (Python + SQL)](https://www.youtube.com/watch?v=uL0-6kfiH3g)
@@ -4,5 +4,4 @@ Ethical data use refers to the responsible and morally sound application of data

 Visit the following resources to learn more:

- [@article@An Introduction to Data Ethics: What is the Ethical Use of Data?](https://www.datacamp.com/blog/introduction-to-data-ethics)
 - [@article@5 Principles of Data Ethics for Business](https://online.hbs.edu/blog/post/data-ethics)
@@ -4,6 +4,5 @@ Hypothesis testing is a statistical method used to determine whether there is en

 Visit the following resources to learn more:

- [@article@Hypothesis Testing](https://latrobe.libguides.com/maths/hypothesis-testing)
 - [@article@Hypothesis Testing - 4 Steps](https://www.investopedia.com/terms/h/hypothesistesting.asp)
 - [@article@Intro to Inferential Statistics](https://www.udacity.com/course/intro-to-inferential-statistics--ud201)
@@ -1,12 +1,10 @@
 # MySQL

-MySQL is an open-source relational database management system (RDBMS) known for its speed, reliability, and ease of use. It uses SQL (Structured Query Language) for database interactions and supports a range of features for data management, including transactions, indexing, and stored procedures. MySQL is widely used for web applications, data warehousing, and various other applications due to its scalability and flexibility. It integrates well with many programming languages and platforms, and is often employed in conjunction with web servers and frameworks in popular software stacks like LAMP (Linux, Apache, MySQL, PHP/Python/Perl). MySQL is maintained by Oracle Corporation and has a large community and ecosystem supporting its development and use.
+MySQL is an open-source relational database management system (RDBMS) known for its speed, reliability, and ease of use. It uses SQL (Structured Query Language) for database interactions and supports a range of features for data management, including transactions, indexing, and stored procedures. MySQL is widely used for web applications, data warehousing, and various other applications due to its scalability and flexibility.

 Visit the following resources to learn more:

 - [@official@MySQL](https://www.mysql.com/)
- [@article@MySQL for Developers](ttps://planetscale.com/courses/mysql-for-developers/introduction/course-introduction)
 - [@article@MySQL Tutorial](https://www.mysqltutorial.org/)
 - [@article@MySQL Complete Course](https://www.youtube.com/watch?v=5OdVJbNCSso)
- [@article@Explore top posts about MySQL](https://app.daily.dev/tags/mysql?ref=roadmapsh)
 - [@video@MySQL Full Course](https://www.youtube.com/watch?v=5OdVJbNCSso)
@@ -1,10 +1,9 @@
 # Oracle

-Oracle Database is a highly robust, enterprise-grade relational database management system (RDBMS) developed by Oracle Corporation. Known for its scalability, reliability, and comprehensive features, Oracle Database supports complex data management tasks and mission-critical applications. It provides advanced functionalities like SQL querying, transaction management, high availability through clustering, and data warehousing. Oracle's database solutions include support for various data models, such as relational, spatial, and graph, and offer tools for security, performance optimization, and data integration. It is widely used in industries requiring large-scale, secure, and high-performance data processing.
+Oracle Database is a highly robust, enterprise-grade relational database management system (RDBMS) developed by Oracle Corporation. Known for its scalability, reliability, and comprehensive features, Oracle Database supports complex data management tasks and mission-critical applications. It provides advanced functionalities like SQL querying, transaction management, high availability through clustering, and data warehousing.

 Visit the following resources to learn more:

 - [@official@Oracle](https://www.oracle.com/database/)
 - [@official@Oracle Docs](https://docs.oracle.com/en/database/index.html)
- [@video@Oracle SQL Tutorial for Beginners](https://www.youtube.com/watch?v=ObbNGhcxXJA)
- [@feed@Explore top posts about Oracle](https://app.daily.dev/tags/oracle?ref=roadmapsh)
+- [@video@Oracle SQL Tutorial for Beginners](https://www.youtube.com/watch?v=ObbNGhcxXJA)
@@ -5,5 +5,4 @@ Pandas is a powerful Python library that makes exploring and understanding data
 Visit the following resources to learn more:

 - [@official@Pandas Docs](https://pandas.pydata.org/docs/index.html)
- [@article@Python pandas Tutorial: The Ultimate Guide for Beginners](https://www.datacamp.com/tutorial/pandas)
 - [@video@Exploratory Data Analysis in Pandas | Python Pandas Tutorials](https://www.youtube.com/watch?v=Liv6eeb1VfE)
@@ -4,4 +4,4 @@ Data analytics helps healthcare providers manage patients more effectively. By a

 Visit the following resources to learn more:

- [@article@Top 8 Use Cases of Healthcare Business Intelligence](https://kms-healthcare.com/blog/healthcare-business-intelligence/)
+- [@article@Business Intelligence in Healthcare: Revolutionizing Patient Care with Data](https://www.xbyteanalytics.com/business-intelligence-in-healthcare/)
@@ -5,5 +5,4 @@ SQL performance tuning involves optimizing SQL queries and database structures t
 Visit the following resources to learn more:

 - [@official@SQL Roadmap](https://roadmap.sh/sql)
- [@article@SQL Query Optimization: 15 Techniques for Better Performance](https://www.datacamp.com/blog/sql-query-optimization)
 - [@article@Performance Tuning SQL Queries](https://mode.com/sql-tutorial/sql-performance-tuning)
@@ -1,12 +1,10 @@
 # PostgreSQL

-PostgreSQL is an advanced, open-source relational database management system (RDBMS) known for its robustness, extensibility, and standards compliance. It supports a wide range of data types and advanced features, including complex queries, foreign keys, and full-text search. PostgreSQL is highly extensible, allowing users to define custom data types, operators, and functions. It supports ACID (Atomicity, Consistency, Isolation, Durability) properties for reliable transaction processing and offers strong support for concurrency and data integrity. Its capabilities make it suitable for various applications, from simple web apps to large-scale data warehousing and analytics solutions.
+PostgreSQL is an advanced, open-source relational database management system (RDBMS) known for its robustness, extensibility, and standards compliance. It supports a wide range of data types and advanced features, including complex queries, foreign keys, and full-text search. PostgreSQL is highly extensible, allowing users to define custom data types, operators, and functions.

 Visit the following resources to learn more:

- [@roadmap@Visit Dedicated PostgreSQL DBA Roadmap](https://roadmap.sh/postgresql-dba)
+- [@roadmap@Visit the Dedicated PostgreSQL DBA Roadmap](https://roadmap.sh/postgresql-dba)
+- [@official@PostgreSQL Website](https://www.postgresql.org/)
 - [@course@PostgreSQL: Become an SQL developer](https://www.simplilearn.com/free-postgresql-course-skillup)
- [@official@Official Website](https://www.postgresql.org/)
- [@article@Learn PostgreSQL - Full Tutorial for Beginners](ttps://www.postgresqltutorial.com/)
- [@video@ostgres tutorial for Beginners](https://www.youtube.com/watch?v=SpfIwlAYaKk)
- [@feed@Explore top posts about PostgreSQL](https://app.daily.dev/tags/postgresql?ref=roadmapsh)
+- [@article@Learn PostgreSQL - Full Tutorial for Beginners](ttps://www.postgresqltutorial.com/)
@@ -4,8 +4,7 @@ Python is a versatile and widely-used programming language known for its readabi

 Visit the following resources to learn more:

- [@roadmap@Visit Dedicated Python Roadmap](https://roadmap.sh/python)
- [@book@Python for Data Analysis](https://datapot.vn/wp-content/uploads/2023/12/datapot.vn-Python-for-Data-Analysis.pdf?srsltid=AfmBOopeeuwebcpwD9crBjnMo3wchpUtvkz-g1T2Phi7FFyjkx7l5t9e)
+- [@roadmap@Visit the Dedicated Python for Data Analysis Roadmap](https://roadmap.sh/python-data-analysis)
+- [@roadmap@Visit the Dedicated Python Developer Roadmap](https://roadmap.sh/python)
 - [@official@Python](https://www.python.org/)
- [@article@Real Python](https://realpython.com/)
- [@video@Ultimate Data Analyst Bootcamp [24 Hours!]](https://www.youtube.com/watch?v=wQQR60KtnFY)
+- [@video@Ultimate Data Analyst Bootcamp \[24 Hours!\]](https://www.youtube.com/watch?v=wQQR60KtnFY)
@@ -4,4 +4,4 @@ Quality control in manufacturing involves systematically monitoring and evaluati

 Visit the following resources to learn more:

- [@article@Quality Control in Manufacturing: Methods, Best Practices, and Implementation](https://www.starrapid.com/blog/quality-control-in-manufacturing/)
+- [@article@Business Intelligence for Manufacturing: Optimizing Production with Data](https://okundata.com/blog/business-intelligence-for-manufacturing)
@@ -6,5 +6,4 @@ Visit the following resources to learn more:

 - [@book@R for Data Science](https://r4ds.hadley.nz/)
 - [@official@R](https://www.r-project.org/)
- [@article@What is R? - An Introduction to The Statistical Computing Powerhouse](https://www.datacamp.com/blog/all-about-r)
 - [@video@R Programming For Beginners](https://www.youtube.com/watch?v=KlsYCECWEWE&list=PLEiEAq2VkUUKAw0aAJ1W4jpZ1q9LpX4yG)
@@ -1,11 +1,10 @@
 # SQLite

-SQLite is a lightweight, serverless, self-contained SQL database engine that is designed for simplicity and efficiency. It is widely used in embedded systems and applications where a full-featured database server is not required, such as mobile apps, desktop applications, and small to medium-sized websites. SQLite stores data in a single file, which makes it easy to deploy and manage. It supports standard SQL queries and provides ACID (Atomicity, Consistency, Isolation, Durability) compliance to ensure data integrity. SQLite’s small footprint, minimal configuration, and ease of use make it a popular choice for applications needing a compact, high-performance database solution.
+SQLite is a lightweight, serverless, self-contained SQL database engine that is designed for simplicity and efficiency. It is widely used in embedded systems and applications where a full-featured database server is not required, such as mobile apps, desktop applications, and small to medium-sized websites. SQLite stores data in a single file, which makes it easy to deploy and manage. It supports standard SQL queries and provides ACID (Atomicity, Consistency, Isolation, Durability) compliance to ensure data integrity.

 Visit the following resources to learn more:

 - [@official@SQLite](https://www.sqlite.org/index.html)
 - [@article@SQLite Tutorial](https://www.sqlitetutorial.net/)
 - [@article@SQLite Introduction](https://www.youtube.com/watch?v=8Xyn8R9eKB8)
- [@article@Explore top posts about SQLite](https://app.daily.dev/tags/sqlite?ref=roadmapsh)
 - [@video@SQLite Introduction - Beginners Guide to SQL and Databases](https://www.youtube.com/watch?v=8Xyn8R9eKB8)
@@ -1,14 +1,7 @@
-# Star vs. Snowflake Schema
+# Star vs Snowflake Schema

-Star vs Snowflake Schema
-========================
-
-A star schema is a way to organize data in a database, namely in data warehouses, to make it easier and faster to analyze. At the center, there's a main table called the **fact table**, which holds measurable data like sales or revenue. Around it are **dimension tables**, which add details like product names, customer info, or dates. This layout forms a star-like shape.
-
-A snowflake schema is another way of organizing data. In this schema, dimension tables are split into smaller sub-dimensions to keep data more organized and detailed, just like snowflakes in a large lake.
-
-The star schema is simple and fast -ideal when you need to extract data for analysis quickly. On the other hand, the snowflake schema is more detailed. It prioritizes storage efficiency and managing complex data relationships.
+Star and snowflake schemas are methods used to organize data in a relational database for analytics and reporting. A star schema features a central fact table connected directly to multiple denormalized dimension tables, creating a structure that resembles a star and prioritizing query performance. A snowflake schema is an extension of the star schema where dimension tables are normalized into multiple related tables, which reduces data redundancy but increases the complexity of joins required to retrieve information.

 Visit the following resources to learn more:

- [@article@Star Schema vs Snowflake Schema: Differences & Use Cases](https://www.datacamp.com/blog/star-schema-vs-snowflake-schema)
+- [@article@Star Schema vs Snowflake Schema: 6 Key differences](https://www.thoughtspot.com/data-trends/data-modeling/star-schema-vs-snowflake-schema)
@@ -5,5 +5,4 @@ Supervised machine learning forms an integral part of the toolset for a Data Ana
 Visit the following resources to learn more:

 - [@article@What is Supervised Learning?](https://cloud.google.com/discover/what-is-supervised-learning)
- [@article@Supervised Learning](ttps://www.datacamp.com/blog/supervised-machine-learning)
 - [@video@Supervised Machine Learning Explained For Beginners](https://www.youtube.com/watch?v=Mu3POlNoLdc&pp=0gcJCf8Ao7VqN5tD)
@@ -4,5 +4,4 @@ Supply chain optimization involves streamlining the processes of sourcing, produ

 Visit the following resources to learn more:

- [@article@How supply chain analytics keeps processes and products moving](https://www.teradata.com/insights/data-analytics/supply-chain-analytics)
- [@article@Enhance Efficiency: Supply Chain Analytics in Manufacturing](https://www.scatterpie.io/blogs/supply-chain-analytics-in-manufacturing)
+- [@article@How supply chain analytics keeps processes and products moving](https://www.teradata.com/insights/data-analytics/supply-chain-analytics)
@@ -4,7 +4,6 @@ Time series analysis is a statistical method used to analyze data points collect

 Visit the following resources to learn more:

- [@article@Time series](https://en.wikipedia.org/wiki/Time_series)
 - [@article@Time Series Analysis: Definition, Types & Techniques](https://www.tableau.com/analytics/what-is-time-series-analysis)
 - [@article@Introduction to Time Series Analysis](https://www.itl.nist.gov/div898/handbook/pmc/section4/pmc4.htm)
 - [@video@What is Time Series Analysis?](https://www.youtube.com/watch?v=GE3JOFwTWVM)
@@ -5,5 +5,4 @@ Unsupervised learning, as a fundamental aspect of Machine Learning, holds great
 Visit the following resources to learn more:

 - [@article@What is Unsupervised Learning?](https://cloud.google.com/discover/what-is-unsupervised-learning)
- [@article@Introduction to Unsupervised Learning](https://www.datacamp.com/blog/introduction-to-unsupervised-learning)
 - [@video@Unsupervised Machine Learning Explained For Beginners](https://www.youtube.com/watch?v=yteYU_QpUxs&pp=ygUbI3doYXRpc3Vuc3VwZXJ2aXNlZGxlYXJuaW5n)
@@ -5,5 +5,4 @@ Window functions in SQL perform calculations across a set of table rows that are
 Visit the following resources to learn more:

 - [@official@SQL Roadmap](https://roadmap.sh/sql)
- [@article@SQL Window Functions](https://mode.com/sql-tutorial/sql-window-functions)
- [@article@SQL Window Functions Cheat Sheet](https://www.datacamp.com/cheat-sheet/sql-window-functions-cheat-sheet)
+- [@article@SQL Window Functions](https://mode.com/sql-tutorial/sql-window-functions)