Mehul Mohan

Regular expressions (regex) are incredibly powerful tools that can vastly simplify data processing tasks. They&#x27;re a method of specifying patterns of characters, numbers, and symbols, which can be used to identify, replace or split data. While regular expressions originate from computer scien...

Real-World Examples of Regular Expressions in SQL

Regular expressions (regex) are incredibly powerful tools that can vastly simplify data processing tasks. They&#x27;re a method of specifying patte

Regular Expressions in SQL

User-defined functions (UDFs) are a key feature of PostgreSQL, a popular and powerful open-source relational database management system. UDFs allow you to create functions according to your specific requirements and extend the functionality of PostgreSQL beyond its in-built capabilities. If you&#...

User-defined functions (UDFs) are a key feature of PostgreSQL, a popular and powerful open-source relational database management system. UDFs allow

User-Defined Functions in PostgreSQL

SQL, or Structured Query Language, is the primary language used to communicate and manipulate databases. Among the vast capabilities of SQL, one particular feature stands out – recursion. Recursion is a fundamental concept in many areas of computer science and mathematics, and it has a unique and...

SQL, or Structured Query Language, is the primary language used to communicate and manipulate databases. Among the vast capabilities of SQL, one pa

Recursive Queries in SQL

PostgreSQL is one of the most powerful and flexible open-source relational database systems. One of the key features that sets it apart is its robust handling of arrays. An array in PostgreSQL is a user-defined data type that allows you to store multiple values of the same data type. If you are f...

PostgreSQL is one of the most powerful and flexible open-source relational database systems. One of the key features that sets it apart is its robu

PostgreSQL Arrays

Before we dive into our topic, let&#8217;s take a moment to ponder on what SQL is and why error handling in it is important. SQL, or Structured Query Language, is a language designed specifically for managing and manipulating databases. As with any language, errors are bound to occur while writin...

Before we dive into our topic, let&#8217;s take a moment to ponder on what SQL is and why error handling in it is important. SQL, or Structured Que

Error Handling in SQL

Materialized views are a powerful database feature that allow for efficient computation and storage of complex query results. They come in handy when dealing with expensive queries that compute aggregations over large tables or involve multiple joins, providing improved performance by storing the...

Materialized views are a powerful database feature that allow for efficient computation and storage of complex query results. They come in handy wh

Materialized Views in PostgreSQL

Welcome to this comprehensive guide on the use of the EXPLAIN command and query optimization in SQL. If you&#x27;ve ever faced performance issues with your database or struggled with slow-running queries, this is the guide for you. Here, we will delve into the details of how to understand and opt...

Understanding Indices and Their Role in Optimization

Welcome to this comprehensive guide on the use of the EXPLAIN command and query optimization in SQL. If you&#x27;ve ever faced performance issues w

EXPLAIN and Query Optimization

PostgreSQL, a highly powerful and open-source object-relational database system, offers a diverse array of solutions to some of the most complex tasks faced by developers. One such invaluable feature it provides is the ON CONFLICT (Upsert) clause. This feature elegantly solves the problem of hand...

Dealing with Multiple Conflicting Columns

PostgreSQL, a highly powerful and open-source object-relational database system, offers a diverse array of solutions to some of the most complex ta

ON CONFLICT (Upsert) in PostgreSQL

PostgreSQL, an open-source relational database management system, has been gaining popularity in recent years due to its robustness and versatility. One of the many features that makes PostgreSQL stand out is its capabilities for data partitioning. In essence, data partitioning is a technique whe...

PostgreSQL, an open-source relational database management system, has been gaining popularity in recent years due to its robustness and versatility

Data Partitioning in PostgreSQL

JSON, or JavaScript Object Notation, is a popular data format with a diverse range of applications in data interchange, including that of database systems. PostgreSQL, being a powerful, open source object-relational database system, provides robust support for JSON since version 9.2. This functio...

JSON Functions and Operators in PostgreSQL

JSON, or JavaScript Object Notation, is a popular data format with a diverse range of applications in data interchange, including that of database

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