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Articles tagged with #data-science
What exactly is SQL? SQL (Structured Query Language) is a programming language for manipulating querying data in databases. SQL can be used to insert, delete, and update data in a database, as well as retrieve data from it. In SQL, how would you comp...
As a database administrator or developer, you know the importance of organizing and accessing data efficiently. But just because your SQL database is functional doesn't mean it can't also be visually appealing. That's where HTML and CSS come in. HTML...
A subquery is a SELECT statement that is nested within another SELECT, INSERT, UPDATE, or DELETE statement, or within a SET clause of a SELECT statement. Subqueries can be used to return data to the main query or to filter the results of the main que...
Resources: MySQL Workbench (https://www.mysql.com/products/workbench/) MySQL documentation on CREATE TABLE statement (https://dev.mysql.com/doc/refman/8.0/en/create-table.html) MySQL documentation on INSERT statement (https://dev.mysql.com/doc/ref...
Start by learning the basic structure and syntax of SQL. Some good resources for this include the following: Codecademy's free SQL course: https://www.codecademy.com/learn/learn-sql W3Schools' SQL tutorial: https://www.w3schools.com/sql/ The offi...
The Iris flower dataset is a well-known dataset in the world of machine learning and data science. It consists of 150 observations of iris flowers, with four features — sepal length, sepal width, petal length, and petal width — and three species of i...