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Quick Introduction Fact and dimension tables are two fundamental concepts in data warehousing and database design. They serve different roles in...
Understanding Null Values in SQL In SQL, a null value represents the absence of a value for a specific data field. It is not the same as zero or an...
Introduction: In the world of data analysis, combining the power of SQL with programming languages like Python, R, or others can be a game-changer....
1. Use ‘regexp_like’ to replace ‘LIKE’ clauses Normal Query - SELECT * FROM table1 WHERE lower(item_name) LIKE '%Table%' OR lower(item_name) LIKE...
In this blog post, we'll explore how to achieve Change Data Capture (CDC) using SQL in scenarios where both the source and target tables lack a...
Create Database Library Management by following queries. Create Database Library Management; use [Library Management] drop table books drop table...
