In this article, we’ve explored the different categories of SQL commands: DDL, DML, DCL, and TCL, and their respective functionalities. Understanding these categories is essential for effectively managing and manipulating databases. With the appropriate commands, we can ensure data integrity, security...
SQL is classified into the following categories. Note that statements mentioned in the following tables may vary in different databases. CommandsDescription DDL Data Definition Language DML Data Manipulation Language TCL Transaction Control Language DCL Data Control Language ...
PostgreSQL is compatible with an array of the foremost programming languages and protocols, including C, C++, Go, Perl, Python, Java, .Net, Ruby, ODBC, and Tcl. That means your users can work in the language they understand best without risking system conflicts. A rich support ecosystem Th...
SQL is a domain-specific language developed to manage the data and kept in a relational database management system. SQL stands for Structured Query Language and was created by ISO/IEC, and the typing discipline is made stronger. The statements perform many operations on a database, such as re...
In 1996, the project was renamed PostgreSQL to illustrate its support for the SQL querying language (although PostgreSQL is still commonly abbreviated as Postgres). A dedicated and diverse community of contributors—the PostgreSQL Global Development Group—continues to make regular major and minor releas...
MySQL is the most widely adopted open source relational database and is the primary relational data store for popular websites, applications, and commercial products. Learn how MySQL works in the cloud.
Structured query language (SQL) is a standardized, domain-specific programming language that excels at handling data relationships. It is used extensively for storing, manipulating and retrieving data in systems such as MySQL, SQL Server and Oracle. When data needs to be retrieved from a database...
Summary: in this tutorial, you will learn about PostgreSQL and its applications. What is PostgreSQL Let’s start with a simple question: what is PostgreSQL? PostgreSQL is an advanced, enterprise-class, and open-source relational database system. PostgreSQL supports both SQL (relational) and JSON...
This server is a perfect fit for data integrity and supports Primary Keys, Secondary Keys, UNIQUE, NOT NULL, EXPLICIT LOCKS, Advisory Locks, and Exclusion Constraints. Features of SQL Server The SQL server is characterized by its high-performance ability, especially in dealing with the great work...
MySQL is a popular open-source relational database management system (RDBMS) that offers database services. Check out this blog post about MySQL to learn more.