Hadi Fadlallah

Hadi Fadlallah is an SQL Server professional with more than 10 years of experience. His main expertise is in data integration. He's one of Stackoverflow.com's top ETL and SQL Server Integration Services contributors. Also, he is a university lecturer and writes scientific and technical articles on several blogs. On the academic level, he holds a Ph.D. degree in data science focusing on context-aware big data quality and two master's degrees in computer science and business computing. You can reach him on his personal website.

2023 Awards   

2022 Awards   

Category	Tip Title
Data Cleansing for Validation	Data Wrangling in SQL Server for Cleaning, Transforming and Merging Data
Database Design	SQL Script for SQL Server Table and Column Properties
Dates	Searching between two date values in SQL Server
Dates	Working with Date and Time Data Types in SQL Server
Integration Services Best Practices	SSIS Bad Habits: Inefficient data staging strategies - Part 2
Integration Services Best Practices	SSIS Bad Habits: Slow lookup transformations
Integration Services Best Practices	SSIS Bad Habits: Wrong OLE DB components configuration
Integration Services Configuration Options	Getting started with SSIS External Configuration File
Integration Services Development	ELT Data from SQL Server to MongoDB using SSIS
Integration Services Development	Fixing Cannot Convert Between Unicode and Non-Unicode String Data Types in SSIS
Integration Services Development	SSIS Bad Habits: Decreasing SSIS Package Performance
Integration Services Development	SSIS in One Hour: Hands-On Tutorial
Integration Services Performance	SSIS Bad Habits: Inefficient Data Staging Strategies
Integration Services Performance	SSIS Bad Habits: Using Sort and Merge Join Components
Microsoft Excel Integration	How to Visualize Time Series Data using Microsoft Excel
Performance Tuning	Implicit Conversion Concerns for SQL Server Performance
Power BI	Power BI in One Hour
Power BI	Power BI to Visualize and Profile Data for Data Quality
Professional Development Interview Questions BI	SSIS Interview Questions and Answers for Developers and DBAs
Python	Build Python Matplotlib Charts to Visualize Application Log Data
Python	Data Quality Management Issues in Time Series Analysis Resolved with Python
Python	Web Scraping with Python Scrapy Framework
TSQL	How to use the SQL WHERE Clause with Examples

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CategoryGroup	Category (articles)
Analysis Services	Analysis Services Administration (33)
Analysis Services	Analysis Services Development (95)
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Database Maintenance	Maintenance (34)
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Disaster Recovery / High Availability	Backup (81)
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Integration Services Development	Data Transformation Services (6)
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Integration Services Development	Integration Services Control Flow Transformations (14)
Integration Services Development	Integration Services Data Flow Transformations (19)
Integration Services Development	Integration Services Development (118)
Integration Services Development	Integration Services Error Handling (8)
Integration Services Development	Integration Services Excel (14)
Integration Services Development	Integration Services Execute Package Options (8)
Integration Services Development	Integration Services Oracle (4)
Microsoft Office	Microsoft Access Integration (8)
Microsoft Office	Microsoft Excel Integration (46)
Microsoft Office	Microsoft Flow (1)
Other RDBMS	Other Database Platforms (16)
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Other RDBMS	SQL Server and Oracle Comparison (30)
Other RDBMS	SQL Server on Linux (78)
Other RDBMS	SQL Server vs Oracle vs PostgreSQL Comparison (20)
Performance	Dynamic Management Views and Functions (34)
Performance	Error Logs (12)
Performance	Extended Events (22)
Performance	Indexing (97)
Performance	Locking and Blocking (44)
Performance	Monitoring (110)
Performance	Partitioning (17)
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Performance	Performance Tuning (129)
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Python	Python (99)
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Versions	Upgrades and Migrations (54)