TypeScript Dictionary Type

The TypeScript dictionary type allows you to store data in a key-value format. TypeScript provides the dictionary functionality through the Map data type. In this post, we will learn about TypeScript Dictionary Type (Map) with multiple examples. Introduction The map data type allows you to store data in key-value pairs. …

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TypeScript Array

The array in TypeScript allows you to store a collection of values of a single data type. TypeScript provides a number of functions to do various operations on an array. In this post, we will learn about the TypeScript array and its functions. Syntax Below is the syntax for declaring …

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PostgreSQL: psql Commands Guide

PostgreSQL provides the psql utility to connect to and communicate with PostgreSQL databases. psql provides a command-line interface for connecting to a PostgreSQL instance. Every installation of the PostgreSQL server comes with psql, which is the default client for interacting with the server. To work with PostgreSQL databases, psql offers …

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