SQLines tools to help you migrate from Microsoft SQL Server to Oracle. What Is My. SQL? & Why It Is the World’s Most Popular Open Source Database. Summary: this tutorial helps you answer the question: what is My. SQL? And give you the reasons why My. SQL is the world’s most popular open source database. To understand My. SQL, you need to understand database and SQL first. If you already know database and SQL, you can jump to the What is My. SQL section. Introduction to database. You deal with data every day…When you want to listen to your favorite songs, you open your playlist from your smartphone. In this case, the playlist is a database. When you take a photo and upload it to your account in a social network like Facebook, your photo gallery is a database. When you browse an e- commerce website to buy shoes, clothes, etc., you use the shopping cart database. Databases are everywhere. So what is a database? By definition, a database is simply a structured collection of data. ![]() The data relates to each other by nature e. This is why we use the term relational database. In the relational database, we model data like products, categories, tags, etc., using tables. A table contains columns and rows. It is like a spreadsheet. A table may relate to anther table using a relationship e. Because we deal with a large amount of data, we need a way to define the databases, tables, etc., and process data more effectively. In addition, we want to turn the data into information…And this is where SQL comes to play. SQL – the language of database. 1. Autonumber => Oracle sequence. In Access Northwind database, the primary key in a table is normally is an Autonumber field. In Oracle, autonumber field is called. SQL stands for structured query language. SQL is the standardized language used to access the database. ANSI/SQL defines the SQL standard. The current version of SQL is SQL: 2. Whenever we refer to the SQL standard, we mean the current SQL version. SQL contains three parts: Data definition language contains statements that help you define the database and its objects e. Data manipulation language contains statements that allow you to update and query data. Data control language allows you to grant the permissions to a user to access a certain data in the database. Now, you understand database and SQL, and it’s time to answer the next question…What is My. SQLMy. SQL? What? My is the daughter’s name of the My. SQL’s co- founder, Monty Widenius. The name of My. SQL is the combination of My and SQL, My.
SQL. My. SQL is a database management system that allows you to manage relational databases. It is open source software backed by Oracle. It means you can use My. SQL without paying a dime. In addition, if you want, you can change its source code to suit your needs. Even though My. SQL is open source software, you can buy a commercial license version from Oracle to get a premium support services. My. SQL is pretty easy to master in comparison with other database software like Oracle Database, or Microsoft SQL Server. My. SQL can run on various platforms UNIX, Linux, Windows, etc. You can install it in a server or even in a desktop. In addition, My. SQL is reliable, scalable, and fast. The official way to pronounce My. SQL is My Ess Que Ell, not My Sequel. However, you can pronounce it whatever you like, who care? If you develop websites or web applications, My. SQL is a good choice. My. SQL is an important component of LAMP stack, which includes Linux, Apache, My.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. Archives
November 2017
Categories |