two types sql and no-sql
SQL or Structured Query Language is pronounced as “S-Q-L” or sometimes as “see-quel” is a standard language to access and manipulate Relational Databases.
Common and Popular Examples of Relational Databases which use SQL are —
As the name suggests NoSQL is “not” SQL, in other words, it is a non-relational database and is unstructured. Due to its unstructured nature, it is sometimes called as UnQL
Common and Popular Examples of NoSQL Databases are —