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How to Optimize Search Queries in Large Databases with PostgreSQL and GIN Indexes

In this article, I’m going to show you an easy and safe way to speed up search queries in large database sets using PostgreSQL. To demonstrate the process, I’ll use a common use case where you wan...

12.04.2025 0 Read More

SQL Execution Order: What Really Happens Under the Hood

If you’ve ever written SQL queries and wondered why sometimes things don’t behave as you expect —or why certain clauses must come before others— you’re not alone. SQL can feel a bit weird at...

12.04.2025 0 Read More

Entity-Relationship (ER) Diagrams: Visualizing Your Database Structure

What is an ER Diagram? An Entity-Relationship (ER) Diagram is a visual representation of the entities in your database, their attributes, and the relationships between them. It serves as a blueprint f...

13.04.2025 0 Read More

Creating Materialized Views in PostgreSQL for Faster Analytics

Creating Materialized Views in PostgreSQL for Faster AnalyticsWhen you're dealing with complex or frequently accessed queries, materialized views in PostgreSQL can drastically improve performance. Unl...

13.04.2025 0 Read More

Relationships in Databases: One-to-One, One-to-Many, and Many-to-Many

What Are Relationships in Databases? Relationships describe how data in different tables is connected. They allow you to efficiently retrieve related data while maintaining a clear and logica...

13.04.2025 0 Read More

Get the Records after and before the Searched One — From SQL to SPL #18

Problem description & analysis: The ProductionLine_Number in a certain table of the Mariadb database is a grouping field, and there are duplicate values in the Cardboard_Number field with...

13.04.2025 0 Read More

Deadlock? NO, Time Leap!

In daily development or online operations and maintenance, we often encounter various database exceptions, such as timeouts, deadlocks, etc. But some problems, seemingly ordinary on the surface, hide ...

14.04.2025 0 Read More

SQL for Beginners - A Complete Guide.

Introduction Structured Query Language (SQL) is a language that is used to interact with SQL databases. In today's data-driven world, data professionals e.g. data analysts, data engineers, da...

14.04.2025 0 Read More

Oracle 19c - JSON Conversions

{ Abhilash Kumar Bhattaram : Follow on LinkedIn } Oracle Database and JSON JSON is important because it offers a lightweight, human-readable format that is easy for both developers a...

14.04.2025 0 Read More

Boolean Data Type in Oracle ِDatabase 23ai

Oracle introduced the Boolean data type in SQL with version 23ai (although this data type has existed in PL/SQL previously). With this feature, you can define table columns as Boolean during table cre...

14.04.2025 0 Read More

How to Optimize Search Queries in Large Databases with PostgreSQL and GIN Indexes

SQL Execution Order: What Really Happens Under the Hood

Entity-Relationship (ER) Diagrams: Visualizing Your Database Structure

Creating Materialized Views in PostgreSQL for Faster Analytics

Relationships in Databases: One-to-One, One-to-Many, and Many-to-Many

Get the Records after and before the Searched One — From SQL to SPL #18

Deadlock? NO, Time Leap!

SQL for Beginners - A Complete Guide.

Oracle 19c - JSON Conversions

Boolean Data Type in Oracle ِDatabase 23ai

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