Database Applications Tutorial and Experiment391
Databases are essential for storing and managing large amounts of data. They are used in a wide variety of applications, from e-commerce websites to banking systems. In this tutorial, we will learn the basics of database applications and how to use them to manage data.
What is a Database?
A database is a collection of data that is organized in a way that makes it easy to access and manage. Databases are typically stored on a computer, but they can also be stored on other types of storage devices, such as external hard drives or USB drives.
Types of Databases
There are many different types of databases, but the two most common are relational databases and NoSQL databases. Relational databases are based on the relational model, which organizes data into tables. NoSQL databases are non-relational databases that do not use the relational model.
Database Applications
Database applications are used to create, manage, and access databases. There are many different types of database applications, but the most common are:
Database management systems (DBMSs)
SQL tools
Data visualization tools
DBMSs
DBMSs are software programs that are used to create, manage, and access databases. DBMSs provide a variety of features, such as:
Data definition language (DDL)
Data manipulation language (DML)
Data query language (DQL)
Concurrency control
Data recovery
SQL Tools
SQL tools are software programs that are used to write and execute SQL queries. SQL queries are used to retrieve data from databases. SQL tools provide a variety of features, such as:
Syntax highlighting
Autocompletion
2024-11-14
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