Dec 27, 2024 · The USE DATABASE statement is a command in certain SQL-based database management systems that allows users to select and set a specific database as the default for the current session. By selecting a database, subsequent queries are executed within the context of that database, making it easier to i

Nov 27, 2024 · By selecting a database, subsequent queries are executed within the context of that database, making it easier to interact with tables and other objects contained within it. Additionally, the SELECT statement in SQL is used to query and retrieve data from the tables within the selected database.

Learn how to use the SQL SELECT statement to retrieve data from a database effectively. Explore examples and best practices.

SQL is a standard language for storing, manipulating and retrieving data in databases. 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.

Summary: in this tutorial, you will learn how to select a database in the mysql program and MySQL Workbench by using the USE statement. When you log in to a MySQL database server using the mysql client tool without specifying a database name, MySQL server will set the current database to NULL. First, log in to MySQL using the root user account:

Mar 20, 2025 · When you need information from a database, you use SQL queries. A query is simply a request for specific data, written in a way that resembles plain English. Let's look at a real-world example: If you run a small bakery and want to find out which pastries sold the most last month, you don't have to manually go through receipts. Instead, with a ...

Aug 17, 2023 · Accessing Data in Two Tables Using INNER JOIN and Filtering Using WHERE. 20.

Mar 1, 2024 · In standard English, a query means a request for information. In computer programming, it refers to the same thing, except the information is retrieved from a database. However, writing a query requires a set of pre-defined code to make the database understand the instruction. This concept is also known as the query language.

Jul 28, 2022 · You have learned a lot about SQL queries and are in a great position to start your journey with some real-world problem solving using SQL. In this SQL query tutorial, you learned what a SQL query is and how to write SQL queries. You saw the query syntax and answered some questions along the way.

To indicate a database you have to use the SQL USE database statement. Syntax. Replace the databasename with the name of the database you want to use and execute the query for the required database. The below example contains the database name ‘mydb’.