Is it possible to list information about the files (MDF/LDF) of all databases on an SQL Server? I'd like to get a list showing which database is using what files on the local disk. What I tried: select * from sys.databases shows a lot of information about each database - but unfortunately it doesn't show the files used by each database.

Aug 17, 2023 · An overview of the 20 basic SQL query examples that every SQL beginner should master before going to the more advanced SQL concepts.

Mar 12, 2025 · In this guide, we will see a comprehensive cheat sheet for essential SQL operations, offering a practical reference for tasks ranging from database creation to advanced data handling techniques.

Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems. With our online SQL editor, you can edit the SQL statements, and click on a button to view the result. Click on the "Try it Yourself" button to see how it works.

Return data from the Customers table: SELECT column1, column2, ... Here, column1, column2, ... are the field names of the table you want to select data from. The table_name represents the name of the table you want to select data from. Below is a selection from the Customers table used in the examples: 120 Hanover Sq.

5 days ago · SQL commands are crucial for managing databases effectively. These commands are divided into categories such as Data Definition Language (DDL), Data Manipulation Language (DML), Data Control Language (DCL), Data Query Language (DQL), and Transaction Control Language (TCL).

This SQL Tutorial helps you master SQL quickly and effectively with clear concepts, hands-on examples, and interactive quizzes. Whether you’re a software developer, database administrator, data analyst, or data scientist, this SQL tutorial will help you unlock the power of SQL for managing and analyzing data.

Feb 17, 2021 · Below is a comprehensive list of SQL commands, organized by the top-level of each (e.g. SELECT TOP is within the SELECT category). If you’re on a journey to learn SQL and you’ve been frustrated by the lack of structure or the dull curriculum, then you may like Dataquest’s interactive SQL skill path. Try it free. Here are a few SQL courses:

Jan 1, 2020 · SQL commands are the instructions used to communicate with a database to perform tasks, functions, and queries with data. SQL commands can be used to search the database and to do other functions like creating tables, adding data to tables, modifying data, and dropping tables.

Mar 20, 2025 · In this article, I will introduce you to the concept of SQL and give you the very first lesson about how SQL can help you navigate the world of relational databases with speed and precision. This SQL 101 is designed to make your learning smooth, offering clear explanations and practical examples to help you build a solid foundation in SQL.