Luca Liu

Hello there! 👋 I'm Luca, a Business Intelligence Developer with passion for all things data. Proficient in Python, SQL, Power BI, Tableau, SAP Business Objects.

Germany Joined on Dec 10, 2023 https://blog.luca-liu.com/

Education

TU Ilmenau (Germany)

Pronouns

she/her

Work

Data Analyst

Proficient in Python, SQL, Power BI, Tableau, SAP Business Objects, Git;

Learning JavaScript, CSS, Swift and Figma;

I'm currently learning data engineer and App development

76 posts published

9 comments written

10 tags followed

Luca Liu

Jan 6

How to Install Python Package in Azure Synapse for Apache Spark pools

#azure #tutorial #python #data

2 min read

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Luca Liu

Jan 6

How to Calculate a Dynamic Truncated Mean in Power BI Using DAX

#powerbi #tutorial #dax #data

3 min read

Luca Liu

Dec 9 '25

Data Security in SQL: Encryption, Roles, and Permissions

#database #tutorial #sql #data

2 min read

Luca Liu

Dec 8 '25

Stuck in a Version Trap - How I Used Azure ML to Deploy an Azure Function

#azure #dataanalyst #dataengineering #tutorial

3 min read

Luca Liu

Dec 8 '25

10 Essential Data Science Algorithms & Techniques

#machinelearning #datascience #algorithms #tutorial

11 min read

Luca Liu

Nov 18 '25

English Speaking Companies in Germany

#germany #job #career

4 min read

Luca Liu

Nov 10 '25

Markdown Code Blocks Breaking HTML Rendering: How to Fix Line Break Issues

#markdown #html #webdev

4 min read

Luca Liu

Nov 10 '25

Draw a Fish and Watch it Swim - Crazy Idea Create Viral Website

#sideprojects #buildinpublic #webdev

3 min read

Luca Liu

Nov 10 '25

The Opportunity Card Germany - My First-Hand Experience and Complete Guide

#germany #job #career

6 min read

Luca Liu

Nov 10 '25

Python + AI - The Essential Skill Combination for Modern Workers Without Coding Backgrounds

#python #ai #productivity #pandas

3 min read

Luca Liu

Aug 8 '25

NotionNext - The Ultimate Solution for Notion-Based Website Building

#notion #nextjs #webdev #tutorial

3 min read

Luca Liu

May 2 '25

Do You Really Need a “Second Brain”?

#discuss #productivity #learning

2 min read

Luca Liu

Feb 21 '25

SQL Advanced Functions - CASE, COALESCE, and NULLIF Explained

#sql #database #tutorial

3 min read

Luca Liu

Feb 14 '25

Database Design Principles - Normalization and Denormalization

#sql #database #tutorial

3 min read

Luca Liu

Jan 27 '25

Implementing Triggers in SQL - Automating Database Actions

#sql #database #tutorial

3 min read

Luca Liu

Jan 21 '25

Handling Dates and Times in Oracle Database

#sql #database #oracle #tutorial

3 min read

Luca Liu

Jan 20 '25

SQL Transactions - COMMIT, ROLLBACK, and Savepoints with Python

#python #database #sql #tutorial

2 min read

Luca Liu

Jan 16 '25

SQL Recursive Queries - Understanding Common Table Expressions (CTEs)

#sql #database #oracle #tutorial

2 min read

Luca Liu

Jan 15 '25

SQL Performance Tuning: Best Practices for Faster Queries

#sql #database #oracle #tutorial

3 min read

Luca Liu

Jan 13 '25

Mastering SQL Joins - Inner, Outer, Cross, and Self-Joins with Examples

#sql #database #oracle #tutorial

4 min read

Luca Liu

Jan 6 '25

A Guide to Manage Access in SQL - GRANT, REVOKE, and Access Control

#sql #database #tutorial #data

3 min read

Luca Liu

Jan 5 '25

A Quick Guide to SQL Data Modification Commands with Examples

#sql #database #data #tutorial

3 min read

Luca Liu

Jan 4 '25

How to chat with Local LLM in Obsidian

#llm #ai #beginners #tutorial

2 min read

Luca Liu

Jan 3 '25

Getting Responses from Local LLM Models with Python

#llm #ai #beginners #tutorial

3 min read

Luca Liu

Jan 2 '25

Local LLM Models and Game Changing Use Cases for Life Hackers

#devchallenge #newyearchallenge #future

2 min read

Luca Liu

Jan 1 '25

Why You Should Try a Local LLM Model—and How to Get Started

#llm #ai #beginners #tutorial

2 min read

Luca Liu

Dec 29 '24

A Quick Review of SQL Window Functions with Examples

#sql #database #tutorial #beginners

4 min read

Luca Liu

Sep 5 '24

How to Publish an Article to DEV Using Python

#python #tutorial #api #productivity

3 min read

Luca Liu

Sep 2 '24

How to Schedule Python Scripts on a Mac Using Crontab

#python #tutorial #beginners #productivity

3 min read

Luca Liu

Aug 31 '24

How to Publish an Article to Medium Using Python and the Medium API

#python #tutorial #api #productivity

2 min read

Luca Liu

Aug 30 '24

What Does a -2 Reaction Mean? Is It a Bug?

#discuss #writing #beginners

1 min read

Luca Liu

Aug 30 '24

Obsidian - How to create Daily note every day, even if I don't open it

#obsidian #tutorial #productivity #mac

3 min read

Luca Liu

May 23 '24

Tableau Desktop Public: Try the Free Version for Data Visualization

#tutorial #tableau #visualization #software

2 min read

Luca Liu

May 20 '24

How to Use ChatGPT on macOS: Installation and Access Solutions

#ai #chatgpt #tutorial

2 min read

Luca Liu

May 20 '24

Effective Strategies for Searching Stored Procedures in Oracle

#tutorial #programming #database #oracle

2 min read

Luca Liu

Apr 29 '24

How to connect to Oracle, MySql and PostgreSQL databases using Python?

#programming #tutorial #python #database

2 min read

Luca Liu

Apr 22 '24

Active Directory (AD) vs Azure Active Directory (AAD)

#microsoft #beginners #devops #python

2 min read

Luca Liu

Apr 4 '24

How to Download All Your Published Articles from DEV.to in Markdown Format

#programming #python #api #tutorial

2 min read

Luca Liu

Mar 28 '24

Setting Up Jupyter Notebook on a Windows Server: A Step-by-Step Guide

#programming #python #jupyter #tutorial

2 min read

Luca Liu

Mar 20 '24

Power BI: Two ways to Union Tables - DAX and Power Query

#powerbi #tutorial #beginners #data

2 min read

Luca Liu

Mar 19 '24

How to read and write JSON files in Python

#programming #python #tutorial #beginners

3 min read

Luca Liu

Mar 18 '24

Python: Effective Techniques for Managing Dates in DataFrame

#programming #python #tutorial #beginners

4 min read

Luca Liu

Mar 15 '24

Four Types of Bar Charts in Python - Based on Tabular Data

#programming #python #tutorial #beginners

2 min read

Luca Liu

Mar 14 '24

Four Types of Bar Charts in Python - Based on Array Data

#programming #python #tutorial #beginners

2 min read

Luca Liu

Mar 13 '24

How to Use the Concat Function in Pandas for Horizontal or Vertical Table Concatenation

#programming #python #tutorial #beginners

2 min read

Luca Liu

Mar 12 '24

How to Convert Rows to Columns and Columns to Rows in Pandas DataFrame using Python?

#programming #python #tutorial #beginners

2 min read

Luca Liu

Mar 11 '24

Oracle Database: How to Create/Delete New User and Grant Privilege?

#programming #tutorial #sql #database

2 min read

Luca Liu

Mar 7 '24

Power BI: How to Create Dynamic Show Hide Slicer Panel

#powerbi #dataanalysis #tutorial #beginners

2 min read

Luca Liu

Mar 6 '24

Automating Time-Based Tasks: Scheduling Functions at Flexible Intervals

#programming #python #productivity

2 min read

Luca Liu

Mar 5 '24

Understanding Nested IF vs. SWITCH in Power BI: A Comparative Analysis

#tutorial #powerbi #dax #data

2 min read

Luca Liu

Mar 4 '24

Python: Updating and Appending pandas DataFrame using Dictionary

#programming #python #pandas #dataanalysis

3 min read

Luca Liu

Feb 25 '24

Use Python to Fetch Followers and Monitor Post Status on DEV.to

#programming #python #tutorial #api

3 min read

Luca Liu

Feb 6 '24

Will Python replace Stored Procedures?

#discuss #sql #python #programming

2 min read

Luca Liu

Feb 2 '24

Use Python to Refresh Tableau Dashboard

#programming #python #tutorial #api

3 min read

Luca Liu

Jan 30 '24

Comparing Two Lists in Python: Differences, Intersections, and Unions

#programming #python #tutorial #beginners

3 min read

Luca Liu

Jan 29 '24

How to Use DAX Studio to Retrieve All Measures in Power BI

#powerbi #businessintelligence #beginners #tutorial

2 min read

Luca Liu

Jan 25 '24

Using the Logger Class in Python for Effective Logging

#programming #python #tutorial #coding

4 min read

Luca Liu

Jan 23 '24

Creating Divider Lines in Python

#programming #python #beginners #tutorial

1 min read

Luca Liu

Jan 21 '24

How to use Python automatically get the Sap BO Temporary License keys?

#python #programming #dataanalyst #tutorial

3 min read

Luca Liu

Jan 17 '24

Python: Setting data types when using to_sql

#python #database #programming #tutorial

2 min read

Two Year Club

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One Year Club

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1 Week Community Wellness Streak

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