Structured Query Language is a domain-specific language used in programming and designed for managing data held in a relational database management system, or for stream processing in a relational data stream management system.

MongoDB is a source-available cross-platform document-oriented database program. Classified as a NoSQL database program, MongoDB uses JSON-like documents with optional schemas.

Mongo DB

MySQL is an open-source relational database management system (RDBMS) that uses Structured Query Language (SQL) to manage and manipulate data. 
It is developed by Oracle Corporation and is widely used across various industries, including technology, finance, healthcare, and more.

MySQL

Oracle is a relational database management system (RDBMS) that uses Structured Query Language (SQL) to manage and manipulate data. 
It is developed by Oracle Corporation and is widely used across various industries, including technology, finance, healthcare, and more

Oracle

PL/SQL is a procedural language designed specifically for the Oracle Database management system. It is used to create stored procedures, functions, and triggers in Oracle databases.


PL_SQL

PostgreSQL is an open-source relational database management system (RDBMS) that uses Structured Query Language (SQL) to manage and manipulate data.
It is known for its reliability, scalability, and extensibility. PostgreSQL supports various data types, including numeric, character, and date/time data types, and it also supports user-defined data types

Databases

SQL

Mongo DB

MySQL

Oracle

PL_SQL

PostgreSQL