SRSudesh Rajendra Sawantindatawithsql.hashnode.dev·Jan 31, 2025 · 3 min readRetrieving Data with SELECT (DQL)Introduction Data Query Language (DQL) is a subset of SQL used to retrieve and manipulate data stored in databases. The SELECT statement is the most commonly used DQL command, allowing users to fetch specific data from tables based on various conditi...00
SRSudesh Rajendra Sawantindatawithsql.hashnode.dev·Jan 31, 2025 · 2 min readInserting, Updating & Deleting Data in SQL (DML)Introduction Data Manipulation Language (DML) in SQL is used to manage data within tables. The three most important DML commands are: INSERT INTO – Adds new records. UPDATE – Modifies existing records. DELETE – Removes records from a table. 1. ...00
SRSudesh Rajendra Sawantindatawithsql.hashnode.dev·Jan 31, 2025 · 2 min readCreating and Managing Tables (DDL)Introduction Data Definition Language (DDL) is a subset of SQL used to define and manage database structures. DDL commands help in creating, altering, and deleting database objects like tables, indexes, and views. In this article, we will focus on ho...00
SRSudesh Rajendra Sawantindatawithsql.hashnode.dev·Jan 30, 2025 · 4 min readSQL Data Types & Basic SyntaxWe introduced SQL and its importance in managing relational databases. Today, we’ll dive deeper into the foundational concepts of SQL, starting with data types and basic syntax. Understanding data types is crucial for creating efficient and well-stru...00
SRSudesh Rajendra Sawantindatawithsql.hashnode.dev·Jan 30, 2025 · 3 min readIntroduction to SQLStructured Query Language, commonly known as SQL, is a powerful tool used for managing and manipulating relational databases. Whether you're a budding data analyst, a software developer, or just someone curious about data management, understanding SQ...00
