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- Understanding MySQL Query Optimizer: COUNT(id) vs COUNT(*)
- In MySQL, we use "COUNT" functions almost every day to help us calculate the number of rows for a given query. The biggest dilemma of every developer regarding performance is whether it is better to use "COUNT(*)" or "COUNT(i
- Mysql Tutorial 471 2024-07-18 04:35:10
- Inside SQL Joins
- SQL joins are fundamental to querying databases, allowing users to combine data from multiple tables based on specified conditions. Joins are categorized into two main types: logical joins and physical joins. Logical joins represent the conceptual wa
- Mysql Tutorial 826 2024-07-18 04:28:10
- MySQL: The Relational Database that Revolutionizes Applications
- When it comes to storing and managing data efficiently, MySQL stands out as one of the most popular and robust solutions. Whether for web applications, business systems or personal projects, MySQL offers an unbeatable combination of
- Mysql Tutorial 207 2024-07-18 03:20:50
- Free Oracle Courses: Training and Certificates
- The Oracle Learning Explorer program provides a unique opportunity for professionals around the world to acquire free entry-level training and certification across the entire product portfolio. Created to empower and develop VA skills
- Mysql Tutorial 503 2024-07-18 00:46:21
- All about MySQL
- Hey Fellow Developers! Let’s talk about a powerhouse in the database world: MySQL. Whether you’re building a small personal project or a large enterprise application, MySQL can be your go-to solution for managing data efficiently. So, grab your favo
- Mysql Tutorial 965 2024-07-17 16:18:11
- HackerRank SQL Preparation: Select All(MySQL)
- Problem Statement: Query all columns (attributes) for every row in the CITY table. Link: HackerRank - Select All SQL Solution: SELECT * FROM CITY; Explanation: SELECT *: The asterisk (*) is a wildcard character in SQL that means "al
- Mysql Tutorial 548 2024-07-17 14:10:57
- Beginner&#s Guide to CRUD Operations in PHP
- Introduction PHP is a flexible and widely-used server-side scripting language that powers many of the dynamic and interactive web pages we see today. As a beginner myself, I find the journey of learning PHP both challenging and rewarding. In th
- Mysql Tutorial 956 2024-07-17 12:41:23
- How to Build a Data Collection System (Fast & Easy)
- Build a Data Collection System in 3 Easy Steps In this guide, we outline the steps necessary to build and launch a data collection system using Five’s rapid application development environment. The process involves: Creating the database Addi
- Mysql Tutorial 964 2024-07-17 11:16:00
- Streamline MySQL Deployment with Docker and DbVisualizer
- This guide demonstrates how to containerize a MySQL database using Docker and manage it using DbVisualizer for seamless deployment across various environments. Start by writing a Dockerfile. FROM mysql:latest ENV MYSQL_ROOT_PASSWORD=password COPY
- Mysql Tutorial 1002 2024-07-17 10:21:52
- The Intricacies of Null Values in MySQL
- Introduction: For those who are new to MySQL, including myself, you might encounter unexpected results when you query from a table that has some null values. In MySQL, null is neither true nor false but unknown, and you can't compare null with
- Mysql Tutorial 336 2024-07-17 09:48:49
- Migrating from MySQL to PostgreSQL
- Migrating a database from MySQL to Postgres is a challenging process. While MySQL and Postgres do a similar job, there are some fundamental differences between them and those differences can create issues that need addressing for the migration to
- Mysql Tutorial 1045 2024-07-17 09:48:27
- Migration of a Workload running in a Corporate Data Center to AWS using the Amazon ECnd RDS service
- In another project based on a real-world scenario, I acted as the Cloud Specialist responsible for migrating a workload running in a Corporate Data Center to AWS. The application and database were migrated to AWS using the Lift & Shift (rehost)
- Mysql Tutorial 690 2024-07-17 08:19:10
- MySQL to GBase Migration Guide
- This article provides a quick guide for migrating application systems based on MySQL databases to GBase databases (GBase 8c). For detailed information about specific aspects of both databases, readers can refer to the MySQL official documentation (ht
- Mysql Tutorial 517 2024-07-17 05:58:08
- HackerRank SQL Preparation: Weather Observation Station ySQL)
- Problem Statement: Query a list of CITY and STATE from the STATION table. Link: HackerRank - Weather Observation Station 1 Solution: SELECT CITY, STATE FROM STATION; Explanation: SELECT CITY, STATE: This part of the query specifies that y
- Mysql Tutorial 966 2024-07-17 05:18:59
- Integrating Redis, MySQL, Kafka, Logstash, Elasticsearch, TiDB, and CloudCanal
- Here’s how these technologies can work together: Data Pipeline Architecture: MySQL: Primary source of structured data. TiDB: Distributed SQL database compatible with MySQL, used for scalability and high availability. Kafka: Messaging syste
- Mysql Tutorial 330 2024-07-17 03:05:49
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