The video provides an overview of Relational Database Management Systems (RDBMS), discussing their history, key features, and functionalities. It explains the use of Structured Query Language (SQL) for data manipulation and highlights the importance of data integrity, consistency, and security. The video also covers different SQL commands, such as DML and DDL, and describes various interfaces and RDBMS products available in the market, including Oracle, MySQL, and Microsoft SQL Server.

Who is credited with inventing the concept of relational databases?

• Bill Gates

• Larry Ellison

• Edgar F. Codd

• Steve Jobs

Which feature of RDBMS ensures that data is valid and accurate?

• Data Integrity

• Data Manipulation

• Data Consistency

• Data Security

What is the primary language used to manipulate data in RDBMS?

• Java

• C++

• Python

• SQL

Which SQL command is used to retrieve data from a database?

• INSERT

• UPDATE

• SELECT

• DELETE

What is the purpose of DDL statements in SQL?

• To secure data

• To retrieve data

• To define database structures

• To modify data

Which interface is commonly used by DBAs to interact with Oracle databases?

• SQL Plus

• ODBC

• JDBC

• Python API

Which of the following is NOT a known RDBMS product?

• MySQL

• PostgreSQL

• MongoDB

• SQLite