#sql Development Tutorials & Tips | Roast Dev

Calculate based on the records within the group and fill the result into the first record — From SQL to SPL #8

Problem description & analysis: The id and nbr of the MS SQL database table are grouping fields. After sorting the records within the group by time field dt, the order of 0 and 1 in the s...

09.03.2025 0 Read More

What is a Database? A Beginner’s Guide to Storing and Organizing Data

What is a Database?A database is an organized collection of data that is stored and accessed electronically. It allows you to store, manage, and retrieve data efficiently. Whether it’s the contact l...

10.03.2025 0 Read More

Ace Your SQL Interview with These Query Tips

SQL interview questions are designed to evaluate your understanding of relational databases. This article provides concise examples and strategies to help you prepare effectively. Examples of ...

10.03.2025 0 Read More

Get the records after and before the searched one：SQL VS SPL #12

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 within the group. Group by ProductionLine_Number,...

10.03.2025 0 Read More

Navigating PostgreSQL - Pages and Blocks

In PostgreSQL, data is stored in pages. A page is the smallest unit of data that can be read from or written to disk. Understanding how PostgreSQL organizes data at the storage level helps in optimizi...

11.03.2025 0 Read More

Why Databases Matter: Real-World Applications and Use Cases

Why Do Databases Matter?Databases are the foundation of most modern technology. Without them, apps, websites, and services would fail to deliver personalized and seamless experiences. They help store,...

11.03.2025 0 Read More

PostgreSQL 🐘🔍 SQL Review and Style Guide 📇

Background You can configure many of the listed SQL Review rules in Bytebase. PostgreSQL is a very powerful database, but to use PostgreSQL well, it needs the collaboration of backend engine...

11.03.2025 0 Read More

10 psql commands to boost productivity (with examples)

Did you know that despite all the fancy GUI tools available, the humble command-line psql remains the most popular way to interact with PostgreSQL databases? But let's be honest - psql has a bit of a ...

11.03.2025 0 Read More

🚀 SQL vs NoSQL: Which Database Will Make or Break Your Project?

Choosing the right database can be the game-changer for your project’s success. But with so many options, how do you decide? Let’s break it down so you can confidently pick the right fit for your ...

12.03.2025 0 Read More

Types of Databases: Relational, NoSQL, and Beyond

Introduction: Different Types of Databases Not all databases are created equal. The type of database you choose depends on your application’s needs, such as the structure of your data, the volume, a...

12.03.2025 0 Read More

Calculate based on the records within the group and fill the result into the first record — From SQL to SPL #8

What is a Database? A Beginner’s Guide to Storing and Organizing Data

Ace Your SQL Interview with These Query Tips

Get the records after and before the searched one：SQL VS SPL #12

Navigating PostgreSQL - Pages and Blocks

Why Databases Matter: Real-World Applications and Use Cases

PostgreSQL 🐘🔍 SQL Review and Style Guide 📇

10 psql commands to boost productivity (with examples)

🚀 SQL vs NoSQL: Which Database Will Make or Break Your Project?

Types of Databases: Relational, NoSQL, and Beyond

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