Data Cleaning, SQL Transformation & Data Quality Auditzahra moradi
Is your analysis blocked by messy spreadsheets, duplicate entries, inconsistent dates, or slow SQL queries?
I will audit, clean, normalize, and transform your data into a structured, analysis-ready format. I write scalable, modular SQL queries and Python ETL scripts that automate data preparation for your reporting pipelines.
What is included in this service:
Comprehensive Quality Audit: Identification of nulls, duplicates, anomalies, and structural integrity issues.
Automated Cleaning Pipeline: Python/Pandas or SQL scripts for cleaning and normalization.
Query Optimization: Refactoring slow queries with proper joins, window functions, and indexing strategies.
Starting at$50
Duration3 days
Tags
ETL
PostgreSQL
Python
SQL
Data cleaning
Data quality
Service provided by
zahra moradi Gyumri, Armenia
Data Cleaning, SQL Transformation & Data Quality Auditzahra moradi
Starting at$50
Duration3 days
Tags
ETL
PostgreSQL
Python
SQL
Data cleaning
Data quality
Is your analysis blocked by messy spreadsheets, duplicate entries, inconsistent dates, or slow SQL queries?
I will audit, clean, normalize, and transform your data into a structured, analysis-ready format. I write scalable, modular SQL queries and Python ETL scripts that automate data preparation for your reporting pipelines.
What is included in this service:
Comprehensive Quality Audit: Identification of nulls, duplicates, anomalies, and structural integrity issues.
Automated Cleaning Pipeline: Python/Pandas or SQL scripts for cleaning and normalization.
Query Optimization: Refactoring slow queries with proper joins, window functions, and indexing strategies.
$50