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2025-01-18 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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This article will explain in detail what SQL can be used to do. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.
Introduction to SQL
SQL is a standard computer language for accessing and processing databases.
What is SQL?
SQL refers to structured query language
SQL gives us the ability to access the database
SQL is an ANSI standard computer language (note: ANSI, American National Organization for Standardization)
What can SQL do?
SQL executes queries against the database
SQL can retrieve data from the database
SQL can insert new records in the database
SQL can update the data in the database
SQL can delete records from the database
SQL can create a new database
SQL can create a new table in the database
SQL can create stored procedures in the database
SQL can create views in the database
SQL can set permissions for tables, stored procedures, and views
SQL is a standard.
SQL is a standard computer language of ANSI, which is used to access and operate database systems.
The SQL statement is used to retrieve and update data in the database.
SQL can work with database programs such as MS Access, DB2, Informix, Oracle, Sybase, and so on.
Major keywords compatible with SQL standards, such as SELECT, UPDATE, DELETE, INSERT, WHERE, and so on.
Note: with the exception of the SQL standard, most SQL database programs have their own private extensions!
Use SQL in your website
To create a Web site that publishes data in a database, you need the following elements:
RDBMS database programs (e.g. MS Access, SQL Server, MySQL)
Server-side scripting language (such as PHP or ASP)
SQL
HTML / CSS
RDBMS
RDBMS refers to relational database management system.
RDBMS is not only the foundation of SQL, but also the foundation of all modern database systems, such as Oracle, MySQL and so on.
The data in RDBMS is stored in a database object called a tables.
A table is a collection of related data items, which consists of columns and rows.
This is the end of the article on "what can SQL be used for?". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.
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