PostgreSQL

Introduction In PostgreSQL, managing and updating custom data types is essential for maintaining the database’s adaptability. The ‘ALTER TYPE’ command allows for modifications without the need to recreate data types......

Introduction Create Type in PostgreSQL allows for the expansion of the default data type system by introducing user-defined types. By doing this, you can model complex data in a way that aligns more closely with your......

Introduction In PostgreSQL, the CREATE DOMAIN command is a powerful feature that enables you to define custom data types with constraints to maintain data integrity. This tutorial delves into using domains, enhancing database design......

Introduction ENUM or enumerated types in PostgreSQL are user-defined data types that allow you to create a column with a value restricted to a set of predefined constants. This tutorial will guide you through the use of ENUM in......

A Quick Overview PostgreSQL includes a robust set of functions for handling dates and times, among which the to_date and to_timestamp functions are incredibly useful for converting string data to date and timestamp types. These......

Overview The conversion functions to_char and to_number in PostgreSQL are powerful tools for formatting numbers and dates as strings and converting strings into numbers, respectively. Since PostgreSQL is an evolving database system,......

Introduction Converting data types in PostgreSQL is a common task, and the database provides two main syntaxes for conversion: the CAST function and the shorthand operator ::. Understanding how to use these tools effectively is......

Introduction Understanding different data types in PostgreSQL can empower developers to store information efficiently and perform specialized operations. In this tutorial, we will cover the use and application of hstore and network......

Introduction PostgreSQL offers robust data types, and among them is the array. This feature allows storing multiple values in a single column, providing a versatile way to handle data aggregation directly within your......

Introduction A universally unique identifier (UUID) is a 128-bit number used to uniquely identify information in computer systems. UUIDs are particularly useful in databases like PostgreSQL for ensuring that each row can be uniquely......

Overview PostgreSQL provides two time-based data types, TIMESTAMP and TIMESTAMPTZ, which are often a source of confusion. TIMESTAMP stores a date and time pair without timezone information, while TIMESTAMPTZ includes time zone data for......

Introduction Understanding and effectively utilizing DATE and TIME data types are crucial for developers working with PostgreSQL. This comprehensive guide will cover the various aspects of managing DATE and TIME in PostgreSQL, from......