SQL Aggregate Functions: Summarize, Count, and Analyze Data
If you work with databases, you often need to turn large amounts of data into useful numbers. SQL a...
MySQL
SQL String Functions From Basics to Advanced
When you’re working with databases, sooner or later you’ll face the need to clean, combine, or anal...
SQL Date and Time Functions: Tips, Tricks, and Examples
Working with SQL date and time functions is an essential skill for any database developer or analys...
SQL vs NoSQL Databases: Which one to chose?
Databases are a crucial part of any application. They are used to store various types of data, such...
Relational Database Management Systems (RDBMS) and Their Functions
Essentially, an RDBMS, or Relational Database Management System, is a crucial component of a databa...
Optimize Slow MySQL Queries – Top 10 Ways With Examples
If your MySQL queries are slow, you’re not alone. I’ve faced this too: slow-loading pages, database...
What is ACID Database? How it Works, Functions, & Examples
ACID is a fundamental principle in database transactions, consisting of four important characterist...
What is Foreign Key in database: Functions, Usage, and Examples
A foreign key is an important element in relational database management systems, referring to a col...
What is Unique Key in DBMS? Functions, Uses, and How It Works
A unique key is an essential element in a database management system (DBMS) that is used to uniquel...
Primary Key in Database Management System (DBMS)
A primary key is an important element in a database management system (DBMS). It uniquely identifie...