Working with dates in SQL can often be tricky due to different formats and the need for precise matching between the date value and the column type. This article explores how to manage dates across various SQL databases, covering date... Read more
Triggers are a powerful feature in SQL used to automatically execute a predefined set of actions when specific events occur in a database. They help enforce business rules, maintain data integrity, and automate repetitive tasks. What are Triggers in SQL?... Read more
In SQL, a view is a virtual table that consists of a result set generated from a query on one or more base tables. Views act as a simplified or customized representation of data, making it easier to work with... Read more
SQL Constraints are rules applied to columns in a table to ensure the accuracy, reliability, and integrity of the data. They enforce certain rules on the data entering a table, such as ensuring that a column cannot have NULL values... Read more
In SQL, databases and tables are the core elements for storing, organizing, and managing data. This section will explore the SQL commands used for creating, deleting, and modifying databases and tables. Additionally, we’ll discuss methods for backing up databases and... Read more
Database connectivity is a crucial aspect of modern software development, enabling seamless interaction between applications and databases. In Python, database connectivity allows developers to perform operations such as storing, retrieving, updating, and deleting data from various database management systems (DBMS).... Read more
Regular expressions (RegEx) are a potent tool for defining search patterns in strings. They allow us to find, validate, and manipulate text by specifying a particular format or structure. Python provides built-in support for regular expressions via the “re” module,... Read more
SQL commands are categorized based on their functionality when interacting with a database. Each command type is used for specific operations, such as managing data, controlling access, or maintaining database structure. There are five primary categories of SQL commands: DDL,... Read more
SQL (Structured Query Language) is a standardized programming language designed for managing and manipulating relational databases. It is widely used in various fields like data science, software development, and business analytics. In this, we’ll dive into the basics of databases,... Read more
File handling is a key aspect of Python programming, allowing us to work with files to read, write, and manipulate data stored in them. Python provides built-in functions and methods to perform these operations efficiently. What is the file? A... Read more
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