Overview of MySQL History and Evolution Core Features MySQL Architecture Installation and Configuration Data Types and Storage Engines SQL Commands in MySQL Security Features Performance Optimization MySQL Use Cases MySQL vs Other RDBMS Summary Overview of MySQL MySQL is a powerful, open-source relational database management system...

Introduction to SQLite Features of SQLite Architecture and Storage Installation and Setup SQLite Data Types Basic CRUD Operations Embedded Database Use Cases Advantages of SQLite SQLite vs Other Databases Popular Applications using SQLite Final Thoughts Introduction to SQLite In the world of software development, databases play a...

Introduction to Database Normalization Objectives of Normalization in SQL Anomalies in Unnormalized Data First Normal Form (1NF) Second Normal Form (2NF) Third Normal Form (3NF) Boyce-Codd Normal Form (BCNF) Higher Normal Forms (4NF, 5NF) Denormalization: When & Why? Examples of Normalization Benefits and Limitations Conclusion ...

Introduction to Data Warehousing Importance of Tools in DW Top ETL Tools (Informatica, Talend) Cloud DW Tools (Snowflake, BigQuery) Reporting & BI Tools (Power BI, Tableau) Data Modeling Tools Data Integration Tools Criteria for Tool Selection Trends in Data Warehousing Tools Summary Introduction to Data...

Introduction What Does “Not Equal to” Mean in SQL? Why Use “Not Equal to” Conditions Different Ways to Write “Not Equal to” Using vs != – What’s the Difference? Examples of “Not Equal to” in Real Queries Using “Not Equal to” with WHERE Clauses Common Mistakes and Pitfalls “Not Equal to” in JOINs and...

Introduction to ER Diagrams What is an Entity? Types of Entities What is a Relationship in ER Diagrams? Attributes in ER Models Types of Attributes in ER Diagrams Cardinality in ER Diagrams Keys in ER Models Generalization, Specialization, and Aggregation How to Create an ER Diagram Best Practices for ER Modeling ...

Introduction What is OLAP? Key Features of OLAP What is OLTP? Key Features of OLTP Core Differences Between OLAP and OLTP Use Cases of OLAP and OLTP Benefits and Limitations Introduction Understanding the difference between OLAP and OLTP is essential for anyone working with data systems, as both play critical roles in business operations...

Introduction to Composite Key Why Use a Composite Key in SQL? How Composite Keys Differ from Primary Keys Characteristics of Composite Keys Real-Life Scenarios Where Composite Keys Are Used Advantages of Using Composite Keys Limitations and Challenges with Composite Keys Conclusion Introduction to Composite Key In relational database...

Introduction to SQL Functions Types of SQL Functions What are Built-in Functions in SQL? Common Built-in SQL Functions What are User-Defined Functions (UDFs)? Types of User-Defined Functions How to Create and Run a Scalar Function Conclusion Introduction to SQL Functions In Structured Query Language, or SQL, functions play an essential...

Introduction Why Use REPLACE() in SQL Basic Syntax of the REPLACE() Function Key Use Cases of REPLACE() Working with Strings in SQL Practical Examples of REPLACE() Nested and Chained REPLACE() Calls REPLACE() vs Other String Functions Performance Considerations REPLACE() in Different SQL Dialects Common Mistakes to Avoid ...