Özgür Özkök
Data manipulation involves the process of transforming and organizing raw data to extract meaningful insights and support decision-making in various fields.
In MySQL, the GROUP BY keyword is used with the SELECT statement to group the result set by one or more columns. When a SELECT statement includes the GROUP BY clause, the result set is divided into groups based on the unique values in the specified columns. Then an aggregate […]
Both Pandas and Polars are valuable tools that serve different purposes. Pandas is a data manipulation and analysis library for Python, while Polars is a data visualization library specifically designed to work with Pandas data frames. Pandas is a powerful tool for working with and manipulating data in Python. It […]
Date functions in MySQL are a set of functions that allow you to manipulate and extract date and time values from expressions, columns, or literals. Date functions help perform various operations on dates, such as finding the difference between two dates, adding or subtracting intervals from a date, formatting a […]
The MySQL IFNULL() function is handy for handling NULL values in your queries. It allows you to specify a default value to be returned if a NULL value is encountered. This can be helpful for a variety of tasks, such as: Body: Syntax of the IFNULL() Function The syntax of […]
This is a beginners guide to NoSQL databases. We will talk about what they are, the advantages and disadvantages of NoSQL and relational databases and also the different types of NoSQL including document databases, column stores, key-value stores and graph databases NoSQL databases have grown significantly in popularity since their […]