Epython Lab
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Welcome to Epython Lab, where you can get resources to learn, one-on-one trainings on machine learning, business analytics, and Python, and solutions for business problems.

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#KeyNote #SQL #Database #DataAnalyzes #RDMS #Python
Benefits of Python for Database Programming
- Python is a popular scripting language to connect to the database and analyzes the data.
- Python ecosystem: - NumPy, pandas, matplotlib, SciPy
- Ease of use
- Python supports relational database systems
- Python database API's to connect to the database
- Detailed documentation: The python is easily available
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#Database #SQL #Datascience #python #DP_API
A Python code to connect to the database using #DB-API
#Datascience #database #sql #python
SQL is one of the most common computer languages in use for working with data today. It is a standardized language for accessing and manipulating relational databases. While it is relatively limited compared to a general programming language such as Python, it is highly optimized for efficient retrieval and aggregation of data from database tables. Its broad support and use virtually guarantees that any professional data scientist or analyst will encounter SQL eventually. Furthermore, SQL is often the paradigm used to discuss the relational data model, which has implications that apply beyond SQL compliant databases.

Relational data model

The relational data model for the most part corresponds with our intuitive notion of a table. Each row is a relation, usually representing some object, event, or idea. Each column corresponds with an attribute which characterizes the relation. In order to reduce redundancy in a database, when creating at able we typically include the minimum amount of attributes required to fully define a relation. This (admittedly vague) guideline is formalized in the idea of database normalization.
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Very useful and common #SQL commands for #data_analysis
Useful #sql cheetsheet for #data_analytics
πŸ” Write an SQL query builder in 150 lines of Python!

https://death.andgravity.com/query-builder-how

Join @epythonlab for information #sql #article #python #code
🚨 SQL vs NoSQL for Data Engineering

If you're working in Data Engineering, you've probably used bothβ€”even if you didn't realize it.

βœ… SQL is excellent for:

βœ… Data warehouses

βœ… Analytics and reporting

βœ… Complex joins and aggregations

βœ… Structured business data

Examples:
β€’ ETL pipelines
β€’ Data marts
β€’ Business intelligence dashboards
β€’ Financial reporting

βœ… NoSQL is excellent for:

βœ… High-volume data ingestion

βœ… Semi-structured and unstructured data

βœ… Real-time applications

βœ… Large-scale distributed systems

Examples:
β€’ Event streams
β€’ Application logs
β€’ IoT data
β€’ User activity tracking

The question isn't:

"SQL or NoSQL?"

The real question is:

"Where does each fit in my data architecture?"

A modern data platform often looks like this:

βœ… NoSQL stores and captures massive volumes of operational data

βœ… SQL powers analytics, reporting, and business decisions

As data engineers, our job isn't to be loyal to a technology.

Our job is to choose the right tool for the workload.

Which do you use more in your current data stack?

βœ… SQL
βœ… NoSQL
βœ… Both equally

Explore NoSQL with MongoDB using VSCode πŸ‘‡
https://youtu.be/8CAkqYabwi8

#SQL #MongoDB #NoSQL #DatabaseDesign #SoftwareEngineering #BackendDevelopment #DataEngineering #SystemDesign #Python #AI #Programming #Developers
#DataWarehouse #BigData #ETL #ELT #AnalyticsEngineering #DataArchitecture #DataPlatform #ApacheSpark #Python #CloudData #DataScience #Tech
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