Mehul Mohan

When working with databases, we often come across situations where we need to keep track of the changes to our data over time. Whether it&#x27;s for auditing purposes, business intelligence, or just data recovery, tracking changes can be crucial. This is where the concept of &quot;Temporal Tables...

When working with databases, we often come across situations where we need to keep track of the changes to our data over time. Whether it&#x27;s fo

Temporal Tables in SQL

Databases form the backbone of many software applications. They allow us to store, organize, and retrieve data in an efficient and secure manner. One of the fundamental aspects of setting up a database is designing its structure, a process that is often guided by principles of Database Design and...

Introduction to Entity-Relationship (ER) Diagrams

Databases form the backbone of many software applications. They allow us to store, organize, and retrieve data in an efficient and secure manner. O

Database Design and ER Diagrams for SQL

Data normalization is a fundamental aspect of data preprocessing in the field of data science and machine learning. It is a process that standardizes and balances the data. This process is essential as it brings all data into a common scale, without distorting differences in the range of values o...

Data normalization is a fundamental aspect of data preprocessing in the field of data science and machine learning. It is a process that standardiz

Data Normalization

In the world of databases, particularly SQL, we often come across scenarios where we have multiple users or processes trying to read and write data concurrently. This can lead to a host of problems, including inconsistent reads, lost updates, and phantom reads, among others. Enter Locking, one of...

In the world of databases, particularly SQL, we often come across scenarios where we have multiple users or processes trying to read and write data

Locking in SQL

SQL Transactions form an integral part of maintaining data integrity in a database management system. They ensure that database operations are conducted in a controlled manner, reducing the risk of errors and inconsistencies. Transactions in SQL typically include a group of tasks that are execute...

SQL Transactions form an integral part of maintaining data integrity in a database management system. They ensure that database operations are cond

SQL Transactions

Full-text search is an important feature in nearly all applications these days. Whether you&#x27;re building a blog, a web shop, or a social network, chances are high you&#x27;ll need a full-text search feature at some point. One way to implement this is by using PostgreSQL, a powerful, open-sour...

Setting Up Full Text Search in PostgreSQL

Full-text search is an important feature in nearly all applications these days. Whether you&#x27;re building a blog, a web shop, or a social networ

Full Text Search in PostgreSQL

Window functions are a powerful feature in SQL that allows you to perform calculations across a set of rows that are related to the current row. They are similar to aggregate functions, but while aggregate functions return a single result row, window functions return several result rows. Window f...

Window functions are a powerful feature in SQL that allows you to perform calculations across a set of rows that are related to the current row. Th

Window Functions (ROW_NUMBER, RANK, DENSE_RANK, LEAD, LAG) in SQL

SQL, or Structured Query Language, is an essential tool for managing data stored in relational database management systems (RDBMS), or for stream processing in a relational data stream management system (RDSMS). It is particularly useful for tasks such as querying, updating, and managing data in ...

SQL, or Structured Query Language, is an essential tool for managing data stored in relational database management systems (RDBMS), or for stream p

CTE (Common Table Expressions) in SQL

SQL is a standard language for managing data held in relational database management systems (RDBMS). Often, we deal with large amounts of data that are difficult to manage and visualize all at once. In these situations, we often use a technique known as &quot;Pagination&quot;. This article will e...

SQL is a standard language for managing data held in relational database management systems (RDBMS). Often, we deal with large amounts of data that

Pagination in SQL

SQL, or Structured Query Language, is a powerful language used in the field of database management. It enables users to retrieve, manipulate, and control data stored in relational database management systems (RDBMS). One of the most powerful tools in SQL is the &quot;trigger&quot;. A trigger is a...

SQL, or Structured Query Language, is a powerful language used in the field of database management. It enables users to retrieve, manipulate, and c

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